Answer:
Photosynthesis: Oxygen and Food Another way energy is harvested by the sun is in the form of photosynthesis. This process is done by plants and other autotrophic organisms and is essential for all life on Earth. Photosynthesis involves sunlight being converted into glucose, a by-product of which is oxygen.
Explanation:
what is a negative imapct that bioenginnered plants may have on the environment
Answer:
b JESUS IS LORD AND NO ONE CAN GET TO THE FATHER EXCEPT BY THROUGH HIM. JESUS IS THE ANSWER
James is working with the lac operon of Escherichia coli (E. Coli). He places the bacteria on a plate of growth media. The lac Operon of E. Coli is shown. Based on the current understanding of this operon, which hypothesis would be useful for James to test?
Answer:
A.
Explanation:
Lac Operon is defined as an operon that is used by E.coli for transporting and metabolizing lactose.
Allolactose is a disaccharide like lactose, that binds to lac repressor and restrict its binding with DNA. It triggers expression of a operon or gene.
So, adding allolactose to the bacterial growth media, block the activity of lac repressor and trigger the activity of bacteria to metabolize the sugar lactose.
Hence, the correct answer is "A."
Based on the current understanding of this operon hypothesis would be useful for James to test addition of all lactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose. Thus, option A is correct.
What is the mode of reproduction of bacteria?The bacteria reproduces through the process of asexual reproduction and the amoeba reproduces through the process of binary fission. Reproduction is defined as the process carried out by the living organisms and during the process of reproduction the living organisms produces their own young ones and feed them. Reproduction is the supreme quality of living things.
There are two types of reproduction and these are sexual and asexual reproduction. The process of reproduction in which two parents are involved is said to be sexual mode of reproduction and the process of reproduction in which only single parent is involved in known as asexual mode of reproduction. The example of asexual reproduction are budding, fragmentation, spore formation, and binary fission.
Therefore, Based on the current understanding of this operon hypothesis would be useful for James to test addition of all lactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose. Thus, option A is correct.
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Natural selection causes what to occur?
Answer:
Natural selection causes populations to become adapted, or increasingly well-suited, to their environments over time. Natural selection depends on the environment and requires existing heritable variation in a group.
Hope this helped!! Have a great day!! :))
Explanation:
Answer:
(I'm not sure if this is what you mean) It causes reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual to occur.
Explanation:
If the four conditions (reproduction, heredity, variation in physical characteristics and variation in number of offspring per individual) change, then a natural selection occurs.
Which most directly describes a benefit of using DNA technology in medicine?
Medicine can be produced in mass quantities.
Medicine can be distributed at a reduced cost.
Medicines have fewer side effects.
Medicines are resistant to antibiotics.
Answer:
A
I hope this helps you guys out
2. Which of the following is TRUE about both flodding and droughts?
a. Plants and animals may die from lack of water
b. They are a result of changes in the amount of rainfall in an area
c. Can cause soil pollution and spread disease
d. Only occur near oceans, rivers, or lakes.
Answer:
The Answers to your questions B
Answer: Letter A
Explanation:
Chapter 5 botany review
Describe the habitat and the microscopic structure of diatoms.
The study of groups of organisms belonging to the same species living together is called.
Answer: Population
Explanation: A population is a group of organisms of the same species that live in the same area at the same time. Population ecologists study the size, density, and structure of populations and how they change over time.
I need help pls I’m confused
Answer:
B
Explanation:
Ecological competition occurs when living organisms, including animals, plants, bacteria and fungi, need the same limited resources to thrive in their shared environment.
Answer:
C- Any time organisms compete for the same limited resource.
Hi can you make this sound like its your own words? Thank you! :)
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
"Revere knows his task is dangerous and requires the utmost in terms of celerity, discretion, and energy. He comes across as a man impatient to carry out a mission that will save lives and push back against British tyranny, a man who will let nothing stand in his way."
Answer:
easy !
Explanation:
which of the following is a renewable resource?
A. Coal
B. Minerals
C. Petroleum
D. Sunlight
Answer:
Sunlight
Brainliest? I need 2 more XD
Explanation:
Answer:
D:Sunlight
Explanation:
You can use the suns rays over and over again without losing them or there energy!
what must happen before meoisis can begin
Answer:
Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied.
Answer:
Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied. Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy, and a paternal copy. ... DNA replication occurs in the same fashion as it does during mitosis.
Explanation:
Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied. Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy, and a paternal copy. ... DNA replication occurs in the same fashion as it does during mitosis.
What are the building blocks of
carbohydrates?
amino acids
monosaccharides
glycerol
nucleotides
Answer:
monosaccharides
Explanation:
How do plants obtain glucose !!
Answer:
During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls.
Answer:
By using photosynthesis
Explanation:
My brain is not working this morning.
Most energy enters ecosystems in the form of sunlight. t or f
Answer:
True
Explanation:
on Edge
what organ is respond for the absorption of nutrients from food in the digestive tract?
Answer:
the small intestine absorbs useful material from food and lets it out into the blood stream
Explanation:
7. The chart describes several functions and examples of biomolecules.
Biomolecule
Function
Example
Proteins
Keratin
O.
Lipids
Carbohy
Speed up chemical
reactions
Provides structure in the
body
Nucleic
Primary source of
energy
Sugars /
starches
Protein
Fats
Carboh
Lipids
Nucleic
Long-term energy
storage
Make up cell
membranes
Stores genetic
information
DNA
Carbo
Protei
Which column of biomolecules would accurately complete the chart?
Lipids
Nucle
What happens to waterproof paper when we put it in coldwater and second in hot water
both loses its waterproofness. XD
A population of ducks lives in an area that floods many times each year. Some of the ducks are better at finding food on dry land, while other ducks are better at finding food in wet, muddy areas. Eventually, the land around the lake permanently changes from dry soil to wet, marshy mud.
How will this change to the land most likely affect the duck population?
Answer:
D The population will evolve so that most ducks are better at finding food in wet, muddy areas.
Explanation:
Which of the following chemicals is needed in order for cellular respiration to
occur?
A: carbon dioxide
B: chlorophyll
C: oxygen
D: water
Answer:
C
Explanation:
If a city is experiencing very high tempatures ,what action would allow the city to become cooler?
A.paint the buildings a farmer color
B.increase the amount of paved roads and Parking lots
C. Expand the size of the city
D.paint the buildings a lighter color
Answer:I think D
Explanation: definitely not A or B
I NEED HELP NOW
JUST QUESTION 3
A teacher makes the analogy that stem cell research did for medicine what the Internet did for communication. What is meant by this analogy?
Stem cells allow for communication between cells.
Stem cell research led to a huge leap in medical science.
Stem cell research led to a setback in medical science.
Stem cell information is stored in databases online.
I HAVE 54 MINUTES LEFT PLEASEEEE
Answer:
B) on edge2020
Explanation:
A teacher makes the analogy that stem cell research did for medicine what the Internet did for communication because stem cell research led to a huge leap in medical science that is present in the second option.
What is the role of the stem cell in medicine?Stem cells are a type of cell that can develop into many different types of cells, so they are of great interest in medicine because they have the potential to be used to treat a wide range of diseases, such as to regenerate damaged or diseased tissues, be used to regenerate damaged heart tissue in people, repair damaged cartilage, be used to treat cancer, etc.
Hence, a teacher makes the analogy that stem cell research did for medicine what the Internet did for communication because stem cell research led to a huge leap in medical science that is present in the second option.
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Identify a human disorder with developmental limitations that results from changes in chromosome number. Explain how nondisjunction leads to changes in chromosome number.
Answer:
The Klinefelter syndrome is caused by the presence of one extra X chromosome (i.e., XXY males). Developmental limitations of this genetic disorder include: reduced muscle mass, neurodevelopmental problems, hypogonadism, etc. Abnormal chromosome numbers (known as aneuploidies) are usually caused by the nondisjunction of homologous chromosomes during Anaphase I or the nondisjunction of sister chromatids during Anaphase II
Explanation:
The Klinefelter syndrome is the most common sex chromosomal disorder in males, which is caused by the presence of an extra X chromosome (i.e., males with a XXY karyotype). This genetic disorder has many effects on development, including small testes (hypogonadism), weaker muscles, longer arms and legs, larger breasts than normal, infertility, immature development of secondary male sex features, cognitive problems (e.g., speech and language delays), etc. A chromosomal disorder occurs when chromosome pairs or chromatids fail to separate during meiosis, thereby producing cells (gametes) with more or fewer chromosomes than normal, a phenomenon known as aneuploidy.
Explain the 3 graphs about the pattern of natural selection on polygenic traits.
Answer:
Directional selection, stabilizing selection and disruptive selection are three types of natural selection
Directional selection
In population genetics, directional selection, or positive selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype
stabilizing selection
Stabilizing selection is a type of natural selection in which the population mean stabilizes on a particular non-extreme trait value. This is thought to be the most common mechanism of action for natural selection because most traits do not appear to change drastically over time
disruptive selection
Disruptive selection, also called diversifying selection, describes changes in population genetics in which extreme values for a trait are favored over intermediate values. In this case, the variance of the trait increases and the population is divided into two distinct groups.
what is an interphase
Answer: Interphase is the phase of the cell cycle in which a typical cell spends most of its life. During interphase, the cell copies its DNA in preparation for mitosis.
I have no idea what it is help pls lol
Answer:
I think rainfall
Explanation:
I believe it is rainfall since it is asking how are they directly replenished which means how are themselves being refilled and since it says underground, the ocean doesn't really go underground as much as rain does since rain can literally fall anywhere inland and then go into the ground unlike the rest of these options.
please answer!
Cell division is the process of *
1 point
A. cells produce 2 daughter cells
B. cells undergo a transformation
C. cells undergo apoptosis or cell death
D. cells continue to get bigger
What is the name of the proteins that DNA wraps itself around? *
1 point
Captionless Image
A. ribosomes
B. enzymes
C. histones
D. herstones
The identical half of each chromosome is called a *
1 point
Captionless Image
A. chromatid
B. clone
C. copycat
D. chromosome
Cells with 2 sets of chromosomes are called *
1 point
Captionless Image
A. haploid cells
B. septaploid cells
C. octoploid cells
D. diploid cells
If cells have only one set of chromosomes they are *
1 point
Captionless Image
A. haploid cells
B. septaploid cells
C. octoploid cells
D. diploid cells
The only type of haploid cells in the human body are the
1 point
A. gametes
B. sex cells
C. egg and sperm cells
D. all of the above
Answer:
A. cells produce 2 daughter cells
Explanation:
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells. During cell division, mitosis refers specifically to the separation of the duplicated genetic material carried in the nucleus.
Which of the following statements is correct regarding the reactants and products for photosynthesis and cellular respiration?
Carbon dioxide and water are reactants in photosynthesis and products of cellular respiration.
Carbon dioxide and water are reactants in cellular respiration and products of photosynthesis.
Carbon dioxide is a reactant of cellular respiration, and water is a product of photosynthesis.
Carbon dioxide is a product of photosynthesis, and water is a reactant in cellular respiration.
Answer:
the answer is C
Explanation:
The type of the respiration that are taking place inside the cells are called as the cellular respiration in which carbon dioxide is the reactant and the water along with it is the bi product. The correct answer is option C.
What are the two products in the process of photosynthesis ?
The products of photosynthesis are oxygen that is released out with the glucose that is the sugar molecule which is the stored form of energy.
Photosynthesis converts out carbon dioxide and the water into the oxygen and typically glucose. Glucose is then used as the food by plant and the oxygen that is a by-product of the process. Cellular respiration later just converts out oxygen with the glucose into the water and carbon dioxide.
Water and the carbon dioxide are just the by- products along with the ATP that is the energy which is just transformed out from process. In the process of the cellular respiration where the glucose and oxygen together just reacts in order to form the ATP. Water and the carbon dioxide are just released as the byproducts.
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Read information about the West Nile virus and its effect on the bird population in the state you live in. If your state has not been affected yet, choose another state that has. In your state, how many birds have tested positive for West Nile virus? Estimate what percentage of the total resident bird population this number represents.
Answer:
I will estimate that in Texas, about 7% to 18% of birds in Texas have the West Nile Virus.
Explanation:
The CDC chart of Texas is green, and in the corner, it says green is 5 - 10. You're welcome.
