High-yield crop varieties were created by Norman Borlaug utilizing traditional breeding methods. Additionally, to increase crop output, agricultural biotechnology companies employ DNA recombinant technologies.
American agronomist Norman Borlaug crossed many crop types in the 1960s to create high-yield semi-dwarf crops (such as wheat and rice).
The 'Green Revolution' took place during this time, and Borlaug was awarded the Nobel Peace Prize for his contributions to reducing hunger in underdeveloped nations.
Additionally, modern agricultural biotechnology companies create genetically engineered organisms with the required properties for agriculture using DNA recombinant technologies (for example, resistance to drought or high grain yield).
Any organism (such as a plant) whose genetic makeup has been transformed via the use of DNA recombinant technology is considered a genetically modified organism.
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Full Question: Describe the differences between how Borlaug came up with a plant with the traits he wanted with how companies like Monsanto get plants with
the traits they want.
The green revolution
The analogy you are working with in this Exploration compares viral replication with the making of a product in a factory.
What ways does the analogy not hold true?
In viral replication with product manufacturing in a factory, the analog does not hold true for control of virus multiplying.
In what way can viral replication occur?The analogy of viral replication with the making of a product in a factory does not hold true in several ways. For example, while a factory can control the production of a product, the replication of a virus is not always under control. Additionally, while a factory creates a product that is intended to be used, viral replication is not always beneficial and can be harmful to the host organism.
Furthermore, while a factory can be shut down or regulated, it is often difficult to control the spread of a virus. Also, the factory produces something useful and desired, but a virus just replicates and causes harm to the host organism.
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A single strand of DNA helix has the code CGCTAA. Which would be the complementary code on the other strand of the helix?
CGCAUU
TATCGG
ATAGCC
GCGATTA
Answer: The answer is GCGATT
Which of the following is a characteristic of all angiosperms? A) carpels that contain microsporangia B) free-living gametophyles C) ovules that are not contained within ovaries D) double internal fertilization
Double internal fertilization of the following is a characteristic of all angiosperms.
The correct option is D.
Why are angiosperm so important?Angiosperms are numerous species flowers as well as fruits and seeds. As the primary source of food, angiosperms are crucial to humans. In addition, they supply us with medicines, fabrics, plants, and spices. Timbers and other types of wood are also produced by angiosperms.
Angiosperms grow where?Formally, angiosperms are quite diverse. Herbs, shrubs, trees, vine, and succulents are among them. They may be found in a wide range of habitats, including woods, grasslands, and deserts as well as aquatic and marine settings. variety among angiosperms.
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Which of the following statements about autoclaves is true? O The autoclave kills all microorganisms. O Autoclaving is a decontamination technique O The temperature inside the autoclave kills the microorganisms. O b and c only O a, b, and c
About autoclave autoclaving is a decontamination technique and the temperature inside the autoclave kills microorganisms statements are correct. Here option D is the correct answer.
Autoclaving is a decontamination technique that is used to sterilize laboratory equipment, culture media, and other materials by using high-pressure steam. It is effective against most microorganisms, including bacteria, viruses, fungi, and spores.
The temperature inside the autoclave is high enough to kill microorganisms, usually around 121-134 °C at 15-20 psi pressure. The high temperature and pressure inside the autoclave work together to kill microorganisms by denaturing their proteins and disrupting their cell membranes.
It is important to note that autoclaves cannot kill all microorganisms, some bacteria such as endospores of Bacillus and Clostridium are highly resistant to autoclaving. To ensure that all microorganisms are killed, the autoclave should be operated according to the manufacturer's instructions and the items should be properly loaded and arranged in the chamber for optimal steam penetration.
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In the human body, carbon monoxide reduces the amount of oxygen that can be transported to cells. Breathing in too much carbon monoxide will most likely result in the production of.
There is a good chance that less ATP will be produced if you breathe in too much carbon monoxide. Thus, the appropriate choice is (A).
Why We Breathe?
The act of moving air into and out of the lungs to promote gas exchange with the internal environment by removing carbon dioxide and bringing in oxygen is referred to as breathing.
There is a pressure differential between the air we breathe in and out of our lungs; when there is a drop in air pressure, the alveolar gaps collapse, allowing air to enter the lungs; this causes inhalation to cease and the alveoli within to contract. There is more pressure than there is in the atmosphere. Exhalation involves the release of air from the lungs. The size of the pressure differential directly relates to the air flow rate.
There are two processes which is involved in the breathing:
InspirationExpirationThere is less ATP generation when breathing in excessive amounts of carbon monoxide.
Thus, producing less ATP will probably happen if you breathe in too much carbon monoxide. Thus, the appropriate choice is (A).
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Full Question: In the human body, carbon monoxide reduces the amount of oxygen that can be transported to cells. Breathing in too much carbon monoxide will most likely result in the production of
(1) less ATP (3) more DNA
(2) less glucose (4) more protein
movement at the hip joint does not have as wide a range of motion as at the shoulder joint.
Answer:
True
Explanation:
the range of motion is less than that of the shoulder joint because of the action of walking.
hope this helps
1. Mitosis is categorized as a form of _________________ reproduction.
2. Meiosis is categorized as a form of __________________ reproduction.
3. Why are the offspring created by mitosis considered to be clones?
4. Are clones created during meiosis? (Explain your answer.)
5. What are gametes?
6. Human gametes should contain _____ chromosomes each. This number would be considered the ______________ (haploid/diploid) number for humans. The symbol for this is ______.
7. After fertilization, the fertilized egg is referred to as a _______________.
8. What type of cells have the ‘2n’ number of chromosomes?
9. What type of cells have the ‘n’ number of chromosomes? When do these cells have ‘2n’ chromosomes?
10. If an organism has an ‘n’ of 32, how many chromosomes are in its somatic cells? How many chromosomes are in its gametes?
Mitosis and meiosis are cell division processes that vary in the type and number of cells they produce (somatic cells or gametes), the nuber of chromosomes new cells carry (haploid n and diploid 2n), and their genetic variation. 1) Asexual reproduction 2) Sexual reproduction 3) Because both daughter cells are the same and are identical to their parental cell. 4) Because meiotic division introduces genetic variation among the daughter cells. 5) haploid cells produced by meiosis. 6) Haploid. 7) Zygote. 8) Somatic cells. 9) Gametes have n number of chromosomes. 10) Gametes have 32 chromosomes. Somatic cells have 64 chromosomes
What are mitosis and meiosis?Mitosis and meiosis are both cell division processes. Both of them follow the interphase, and both are followed by cytokinesis. However, they express differences.
Through mitosis, a diploid somatic cell (2n) produces two daughter diploid cells (2n).
Mitosis occurs in somatic cells and germ cells. This division event can be considered an asexual reproduction process.
Through meiosis, gametes are produced from germ cells. A diploid cell (2n) produces four haploid daughter cells (n). After DNA replication there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.This division event occurs during sexual reproduction.
1. Mitosis is categorized as a form of _asexual_ reproduction.
2. Meiosis is categorized as a form of _sexual_ reproduction.
3. Why are the offspring created by mitosis considered to be clones?
Because both daughter cells are the same and are identical to their parental cell.
4. Are clones created during meiosis? (Explain your answer.)
No, because random events occur during meiosis (like crossing over and independent assortment) that introduce genetic variation among the daughter cells. Gametes are genetically different from each other.
5. What are gametes?
Gametes are the haploid cells produced by meiosis.
6. Human gametes should contain _23_ chromosomes each. This number would be considered the _haploid_ (haploid/diploid) number for humans. The symbol for this is _n_.
7. After fertilization, the fertilized egg is referred to as a _zygote_.
8. What type of cells have the ‘2n’ number of chromosomes? Somatic cells.
9. What type of cells have the ‘n’ number of chromosomes? When do these cells have ‘2n’ chromosomes?
Gametes have n number of chromosomes. When gametes mergen and produce a zygote, they have 2n number of chromosomes. Before meiosis I, germ cells have 2n number of chromosomes.
10. If an organism has an ‘n’ of 32, how many chromosomes are in its somatic cells? How many chromosomes are in its gametes?
Gametes have 32 chromosomesSomatic cells have 64 chromosomes.You can learn more about mitosis and meiosis at
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How many different types of resonance structures can be drawn for the ion so3-2 where all atoms satisfy the octet rule?.
If the octet rule is followed by every atom, only one structure is feasible. In this instance, S would have a formal charge of +1, whereas all oxygens would have a formal charge of -1.
If S orbital had a formal charge of 0, the octet rule would not be followed, but S's structure would be enhanced. However, there would be three resonance structures in this instance. Bryophytes are more likely to be at the gametophyte stage than the sporophyte stage as compared to higher (i.e., vascular) plants. Even while certain forms of algae have predetermined life cycles, environmental factors typically affect the dominant phase in most algae. Resonance structures, which are assemblages of Lewis structures, describe how an electron delocalizes inside of a polyatomic ion or molecule. A single Lewis structure frequently falls short of explaining the bonding in a molecule or polyatomic ion because partial charges and fractional bonds are frequently present in molecules and polyatomic ions.
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In what sport is muscular endurance most important?
Long-distance running is a physically demanding sport. During a marathon, a marathon runner's body repeats the same action and stride. To avoid damage or significant weariness, their muscles must have a high level of endurance.
Muscular endurance is defined as a muscle's capacity to maintain repeated contractions against resistance for an extended length of time. Long-distance running, cycling, or swimming, as well as circuit training and bodyweight exercises, are all good ways to increase muscle endurance.
Why is muscle endurance important?Muscular endurance is the capacity to contract a muscle or set of muscles against resistance, such as weights or body weight, for an extended length of time. Increasing these muscles' performance implies they can continue to contract and function against these pressures.
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What describes the action of an endocrine disruptor?
An endocrine disruptor is a substance that interferes with the normal functioning of the endocrine system.
The endocrine system is the system of glands that produce and secrete hormones that regulate various bodily functions, including growth, metabolism, and sexual function. Endocrine disruptors can mimic natural hormones or interfere with the production, transport, or breakdown of hormones, leading to an imbalance in the body's hormone levels, resulting in a variety of health effects, including developmental and reproductive problems, cancer, and immune and neurological disorders. Examples of endocrine disruptors include certain chemicals found in plastics, pesticides, and personal care products, as well as environmental pollutants.
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The binomial system assigns to each organism a unique name that describes its __________.
A
order and family
B
body plan and habitat
C
family and species
D
evolutionary history
The binomial system assigns to each organism a unique name that describes its family and species.
The correct option is C.
What is the binomial system a level biology?In this two-name system, each creature is identified by its genus name before being given its species name. Since "homo" is the genus name and "sapiens" is the name of our species, the scientific term for people is Homo Sapiens.
What is the binomial system ?a complex system of naming conventions, one for plants and another for animals, chosen by botanists or evolutionary biologists from several nations. the broadest taxonomic group. to calculate the likelihood that k out of n people will have a specific genotype.
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Why are the cells in the stratum corneum dead?
Multiple Choice
O Epidermal cells die as they move away from their nutrient supply in the dermis
O Once they reach the skin surface, exposure to environmental stresses like drying and UV light kills the cells
O Accumulating keratin filaments dry out the cytoplasm and kill the cell.
O All cells in your body die after about a month, which is how long it takes for a cell to reach the stratum corneum.
The cells in the stratum corneum are dead because epidermal cells die as they move away from their nutrient supply in the dermis.
The epidermis' uppermost layer is called the stratum corneum. The stratum compactum and stratum disjunctum are the two layers that make up the human stratum corneum, which is made up of numerous levels of flattened corneocytes. The stratum disjunctum is covered by the lipid barrier and acid mantle, which protect the skin. The topmost and most supple layer of skin is called the stratum disjunctum. The stratum compactum is the stratum corneum's deeper, more compacted, more cohesive region. Compared to the stratum compactum, the corneocytes of the stratum disjunctum are bigger, more stiff, and more hydrophobic.
The stratum corneum is dead tissue that performs protective and adaptive physiological functions such as mechanical shear, impact resistance, water flux and hydration regulation, microbial proliferation and invasion regulation, cytokine activation and dendritic cell activity, and selective permeability to exclude toxins, irritants, and allergens.
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2. Which describes the spores produced by a fungus?
O Spores have no protection as they are carried by wind.
O Most never survive to produce new fungi.
O They are capable of growing wherever they land.
Each fungus produces only a few spores.
Answer:
O Spores have no protection as they are carried by wind. O Most never survive to produce new fungi. O They are capable of growing wherever they land. Each fungus produces only a few spores.
Which element is considered the most versatile element in living organisms and why?
hydrogen, because it provides most of the mass of human bodies
hydrogen, because it can be found in both organic and inorganic molecules
carbon, because it can bond with many elements to form complex molecules
carbon, because it provides strength to the important protein, keratin
Answer: B
Explanation:
Answer:
The answer to your question is,
C.) carbon, because it can bond with many elements to form complex molecules
Explanation:
I hope this helps :)
Which of the following is not a function of blood? George is lost in the hot, dry desert. He has no water and he is sweating a lot. Which of these blood components would be reduced or decrease? Which of these white blood cells gives rise to, or creates, anti-body producing plasma cells? Which of these leukocytes are the most abundant; and are able to phagocytize pathogens to reduce the spread of infection?
George is lost in the hot, dry desert. He has no water and he is sweating a lot. The blood component that would be reduced or decreased would be plasma.
The white blood cells that give rise to, or creates, anti-body producing plasma cells is B-lymphocyte or B-cell. The leukocytes that are the most abundant and are able to phagocytize pathogens to reduce the spread of infection are neutrophils.
Plasma is the liquid component of blood that is mainly composed of water, electrolytes, and dissolved proteins. Sweating is the body's mechanism for cooling down, when the body loses water through sweat, plasma volume decreases, and it could lead to dehydration.
B-lymphocyte or B-cell is a type of white blood cell that plays an important role in the immune system by producing antibodies, also called immunoglobulins, which help to identify and neutralize foreign invaders such as bacteria and viruses. Neutrophils are a type of white blood cell that is the most numerous and make up about 60-70% of all white blood cells.
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life on the earth depends on interaction of gravity, the cycling of matter, and the ____.
Life on the earth depends on interaction of gravity, the cycling of matter, and the one flow of energy.
Ecology is the look at of organisms and the way they have interaction with the surroundings round them. An ecologist research the connection among residing matters and their habitats. The biosphere is the skinny life-assisting stratum of Earth's surface, extending from some kilometres into the environment to the deep-sea vents of the ocean. It consists of residing organisms and nonliving elements from which the organisms derive strength and nutrients.
Thus, Life on the earth depends on interaction of gravity, the cycling of matter, and the one flow of energy.
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What do theories hypothesize about the conditions of Earth's early atmosphere?
•Little to no oxygen
• Low levels of ultraviolet radiation
•Protective atmosphere
•Very cold temperature
According to speculations, there was little to no oxygen in the early Earth's atmosphere. The right answer is A.
What is the atmosphere?The term "atmosphere" refers to a layer (or layers) of gases that surround a planet and are held in place by gravity. When the gravity is strong and the temperature is low, a planet's atmosphere is preserved.Five layers make up the atmosphere. These include the lithosphere, exosphere, thermosphere, mesosphere, and stratosphere. Different levels of the atmosphere have various temperatures and gas kinds.According to the earlier notion, oxygen wasn't present in the atmosphere back then. That is why there wasn't any life present, assuming any small organisms existed.Therefore, the appropriate response is A. little to no oxygen.To Learn more About atmosphere refer To:
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________ is seen in some New World monkeys, but not in any Old World monkeys.
a. A grasping hand b. An arboreal lifestyle c. Quadrupedalism d. A prehensile tail e. Color vision
Answer: the answer is D
Explanation:
As a solid, water floats. This means that
Multiple Choice
O solid water is less dense than liquid water
O organisms in ponds, lakes, and reservoirs can survive under the ice cover
O the hydrogen bond arrangement differs between ice and liquid water
The correct answer is A. Solid water is less dense than liquid water. This is because of the hydrogen bond arrangement in solid water, which is less compact than in liquid water due to the increased space between the molecules.
As a result, solid water is less dense than liquid water, which is why it floats. This means that organisms in ponds, lakes, and reservoirs can survive under the ice cover, as the ice will form a layer between the organisms and the cold, deep water below.
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________ bone reduces the weight of the skeleton and reduces the load on muscles.
A) Short
B) Irregular
C) Spongy
D) Compact
E) Long
C. Spongy bone reduces the weight of the skeleton and reduxes the load on muscles.
Question cable television is most associated with which competitive situation? responses communism communism pure competition pure competition monopoly monopoly oligopoly
Cable television is most associated with the responses communism.
Communism is a political and profitable system grounded on the idea that everyone should contribute to society according to their capacities and admit in return according to their requirements. This system is generally associated with the workshop of Karl Marx and Friedrich Engels, who argued for a cloddish, stateless society grounded on common power of all coffers, with the government furnishing for the collaborative requirements of its citizens. Communism has been opposed by numerous, as it can lead to a lack of individual freedom and profitable inequality, as well as an rough government. Despite this, numerous communist countries have seen great profitable success, similar as in China and Cuba.
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Answer: pure competition
Explanation:
bc i took the test
Sodium deficiency hampers reabsorption of kidney shows a thick-walled vessel with renal corpuscles scattered in the tissue on one side of the vessel but not on the other side. What vessel is this? A. glucose B. albumin C. creatinine D. water A. Interlobar artery B. Cortical radiate artery C. Cortical radiate vein
Sodium deficiency can inhibit renal reabsorption by thick-walled vessels and renal blood cells scattered throughout the tissues. The ship was called D. Air
What is sodium deficiency?A deficiency of sodium in the blood is also known as hyponatremia. Hyponatremia occurs when the composition of water and sodium is not balanced. Where there is too much water or not enough sodium in the blood. Typically, a person's sodium level should be between 135 and 145 milliequivalents per liter (mEq/L). So that sodium deficiency can inhibit kidney reabsorption to remove excess water levels in the body.
In hyponatremia, sodium levels in the blood are less than they should be. This results in increased water levels in the body and makes the body's cells swell.
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if four of the original colonists died before they produced offspring, the ratios of genotypes could be quite different in the subsequent generations. this would be an example of
genetic drift. When the population size of a population is drastically decreased, a phenomenon known as the bottleneck effect occurs. Natural calamities (earthquakes, floods, storms and fires) can completely wipe out a population.
The frequency of alleles in a population is altered when a severe storm kills a large number of people at random. Genetic drift can be seen in all of these. People move and intermarry with people from other populations. Random occurrences can alter a population's allele frequencies, a process known as genetic drift. Small random changes in allele frequencies can have a large impact on the population as a whole, making small populations where this is most likely to happen.
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Using the theory of plate tectonics, name the three types of plate boundaries with the movement that occurs at each
one and describe the geologic features that occur at each boundary.
Use this format: type of boundary/direction of movement/geological features
The three types of plate boundaries with the movement that occurs at each one include the following below:
A “convergent” plate boundary / collide with one another / deep trenches.A “divergent” plate boundary / spread apart / oceanic spreading ridges.A “transform” plate boundary / slide past one another / earthquakes.What are Plate boundaries?This is referred to as a three-dimensional surface or zone across which there is a significant change in the velocity of motion of one lithospheric plate relative to the adjacent lithospheric plate.
There are three types such as convergent, divergent plate boundary etc and they have unique movement and geologic features which can be seen above.
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Complete the sentence about Alfred wegener's continental drift story.the presence of similar ____
A. climate
B. fossils
C. wind patterns
and _____ on several different continents supports the theory of Continental drift
A. temperature
B. people
C. rock formations
Answer:
B; C
Explanation:
Fossils of the same species and same rock formations can be found in different continents as millions of years ago those species and those rock formations could have been found in the same area, which splitted over the passage of time that separates us from that era
2. What is a hybrid organism?
organisms that have extra alleles
organisms with two different alleles
organisms that are missing alleles
organisms with two of the same alleles
What does mitosis mean in cancer?
A biology teacher has 555 different pets they keep in their classroom. For an upcoming holiday break, the teacher will send the pets home with students. Suppose that 161616 of the teacher's 757575 students volunteer to take a pet home, and the teacher will randomly select 555 of those volunteers to each take 111 pet home. The permutation formula n\text{p}rnprn, start text, p, end text, r can be used to find the number of unique ways the teacher can distribute pets to the volunteers. What are the appropriate values of nnn and rrr?.
The number of unique ways the teacher can distribute pets to the volunteers is given by nPr with; n =16 and r = 5.
Permutations and arrangement.
The number of different ways that an arrangement may be carried out from a collection of available options is referred to as a permutation.
According to the given question;
Despite the fact that there are 75 kids in the class, only 16 offered to bring a pet home.The teacher may only choose among 16 students as a result. Therefore, n=16. Since the instructor needs to select five volunteers to bring a pet home, r = 5.On this note, the given permutation is nPr with; n=16 and r= 5.
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Question: A biology teacher has 5 different pets they keep in their classroom. For an upcoming holiday break, the teacher
will send the pets home with students. Suppose that 16 of the teacher's 75 students volunteer to take a pet
home, and the teacher will randomly select 5 of those volunteers to cach take 1 pet home.
The permutation formula n Pr can be used to find the number of unique ways the teacher can distribute pets to
the volunteers
What are the appropriate values of n and r?
The ________ of a population is the time it takes for the cells to double in number.
A) binary fission
B) exponential growth
C) generation time
D) arithmetic growth
E) log phase
The (c) generation time of a population is the time it takes for the cells to double in number.
A population of bacteria will double in size over the course of one generation. The generation time varies from minutes to hours for various bacteria.
Due to binary fission, bacteria multiply by a process known as geometric progression, doubling every generation. Generation time measures the typical time elapsed between the birth of an individual and the birth of its progeny. A population's age (x), the percentage of females that survived to that age (lx), and the typical number of kids that females left at that age are multiplied to find the mean generation time (mx).
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Why do you think two offspring of the same parents can have such different characteristics?
The reasons that influence the characteristic differences of two offspring from the same parents are genetics combination as well as environmental factors.
There are many factors that can influence the characteristics of offspring, including genetics and environmental factors. With regard to genetics, offspring can inherit different combinations of genes from their parents, which can lead to differences in their physical and behavioral characteristics. Environmental factors, such as experiences, diet, and exposure to external environment also play a role in determining their characteristics. In short, the characteristics of an individual are the result of a complex combination between genetics and the environment.
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