When a mother teaches their children something, the children themselves are learning something that will become natural later on in their lifespan. The mother teaches their offspring in order to allow their offspring to know what to do and how to survive.
When a mother is teaching her offspring, it is called imprinting. The mother is teaching, or printing in the children's mind on what to do.
Why do fungi not produce egg or sperm cells?
There are no other organisms that can help fungi pollinate.
Fungi do not produce flowers or cones to make egg or sperm cells.
Fungi reproduce using spores as their reproductive cells.
Fungi are not large enough to create egg or sperm cells.
Fungi do not produce egg or sperm cells because they reproduce using spores as their reproductive cells.
Fungi undergo a reproductive phase by producing and releasing enormous amounts of spores after a period of intense growth. Spores are often solitary cells that are created by mycelium fragmenting or within specialized structures (sporangia, gametangia, sporophores, etc.).
Spores can be created directly through asexual reproduction or indirectly through sexual reproduction. As with all living things, sexual reproduction in fungi entails the joining of two gametes (sex cells), which brings two nuclei together. Asexual reproduction, which is easier and more direct, can be carried out in a number of ways.
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Cell differentiation produces cells with different gene expressions. TrueFalse
All somatic cells contain the same genes, the only difference among them is on what genes are expressed. Therefore, this statement is true.
Particulates are a form of air pollution usually produced byA. eutrophicationB. the combustion of fossil fuelsC. production of ChlorofluorocarbonsD. acid rain
Particulates are produced by cars, trucks, florest fires, factories, etc. Any sources from the comb ustion of fossil fuels. Therefore, the correct answer is B. the combustion of fossil fuels
The disappearance of the Mayan civilization from the Yucatan Peninsula in Mexico is a mystery that archacologists have been trying to solve. Scientists have collected data from theformations in caves, sediment, and tree rings. Analysis of the data resulted in the following graphs.Which explanation is supported by the data as to the disappearance of the Mayan people?A.The increase in sulfur in the sediment caused acid rain. Acid rain killed all of the crops. Without an ample source of food, the Mayan population decreased as a result of starvation.B. Pure oxygen is deadly to living organisms. The rise in oxygen levels caused the surrounding organisms to die. This left any surviving Mayan people without a source of food.C.The Mesoamerican peoples of the Postclassic era fought with and defeated the Mayans. The Mayan population was greatly reduced. Any remaining Mayans assimilated with thevictorious peoples.D. A change in the regional climate resulting in a period of drought, as indicated by the increase in oxygen and sulfur in the tested samples, caused the failure of the Mayan civilization.
The correct option is D. A change in the regional climate resulting in a period of drought, as indicated by the increase in oxygen and sulfur in the tested samples, caused the failure of the Mayan civilization. Both variables, oxygen and sulfur, increased prior to Mayan collapse. Their increase could underlie climatic changes that led to Mayan people disappearance.
when have you used skills of observation, experimentation, modeling? Describe and example of how you have used this skill
Observation is the act of carefully watching something over time.
Experimentation Scientists may perform experiments in the lab or in the field. lab experiment gives the researcher more control, the artificial setting does not reflect the complex interactions that occur in nature.
Field experiment, on the other hand, gives a more accurate picture of how organisms interact in a natural setting.
Modeling scientists use computer and mathematical models to describe and model nature. example, It is possible for some people to learn and adapt to completely new computer systems at work, while others have adjusted to the challenges of working remotely.
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Enzymes speed up reactions by lowering the activation energy of a reaction. This is comparable withA.reducing the force a ball needs to start rolling down a hill B.increasing the height an apple will fall from a tree C.causing a snow storm in the middle of summer when temperatures are hot D.blocking a flowing river with a dam to stop the flow E.All answers are correct
The enzymes activity is mensured to indicate the rate of reaction catalysed by that protein, the action of the enzyme is to decrease the time required for a natural reaction to occur, for example the sucrase breaking down the sucrose, or a lactase for lactose. Therefore, the option with a example that is similar to enzymatic activity is A. reducing the force a ball needs to start rolling down a hill (the force for the start of the movement is comparable with the activation energy of a chemical reaction). The other options present situations opposite to what is expected from the action of a catalyst molecule.
Using the drop-down menus, identify the structures common to all cells.
Every cell contains the following elements: A depiction of DNA is shown by Label A.
The cell structure would be indicated by Label B.
Label C had really been applied to the ribosome.
The designation D designates the cytoplasm.
It appears that DNA and deoxyribonucleic acid make up the genetic material. The building blocks of DNA, known as nucleotides, had just traditionally consisted of something like a nitrogen base, a sugar, as well as a phosphate molecule.
The plasma membrane is yet another term for such cell membrane. According to the juxtaposition of a relatively lipid bilayer, it provides a protective barrier for the constituents of cells as well as simultaneously simplifies the process for compounds to be moved between cells.
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What factors can cause an enzyme to become denatured?A. lonization and pHB. Temperature and HumidityC. Humidity and lonizationD. pH and Temperature
The correct option is D. pH and temperature
Enzymes can be denatured in different ways:
-decreases in pH
- increase beyond the optimal temperature
A denatured enzyme refers to an enzyme that has lost its normal three-dimensional, or tertiary, structure that means it is no longer able to function.
Of the following, which may be classified as supportive connective tissue?
a. bone
b. adipose tissue
c. dense regular connective tissue
d. dense irregular connective tissue
Answer: A. Bone tissue.
Explanation: Trust me.
Looking at your data, which color light was needed the most by chlorophyll during photosynthesis? (Hint: which color light was absorbed the most in your experiment?) Question 9 options:redbluegreen
Chlorophyl absorbs the light at both endpoints of the visual expectrum, which means that ir absorbs the light of the blue and red wavelenghts.
The red wavelength is absorved on a higher rate than the blue wavelength.
What are transposable elements and what is their significance?
Transposable elements are DNA sequences, genes. With the capacity to move inside the genome, that is to say, they can change their position in the genome by themselves. Due to this ability to change position, they have been widely studied, although many times insert themselves on inactive genomic regions, they have contributed to genetic diversity and generating polymorphisms, which in turn have an impact on the evolution. Also in a low percentage of cases can generate genetic illnesses in early embryonal states, like some ehemofilias or leukemias.
DEFINE INTERCALARY MERISTEM
A basic meristematic structure called an intercalary meristem contains cells that can divide and aid in the growth of the plant. They are situated at the internode bases.
What does intercalary mean?placed inside a calendar. a day of intercalation. containing an intercalary period (such as a day or month) of a year; interpolated; inserted between other things or sections.
What is the intercalary meristem's other name?As a result, the intercalary meristem in grasses is frequently called the grass meristem.
Are where intercalary meristems to be found?The meristems found at the base of an internode's stem or leaf are known as intercalary meristems.
It aids in the lengthening and expansion of plants' nodes and internodes (stems and leaves), as well as their longitudinal growth (grasses).
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I need help on this question. This is a non graded quiz. Thank you.
The dominant allele is T (it is always represented with the uppercase letter) and it codes for tall. This type of allele masks the effect of another allele.
The recessive allele t (it is represented with a lowercase letter) codes for short. This type off allele has its effect masked by a dominant allele.
When we look at the Punnett square we can see the offspring possible combinations:
TT: 25%
Tt: 50%
tt: 25%
The TT combination results in a tall offspring as the T allele is dominant.
The Tt combination results in tall offspring as T allele is dominant against t allele.
The tt combination results in short as both alleles ar ressesive and code for short.
As a result a 75% of the offspring will be tall and 25% will be short.
The answer is, 25%
The dominant allele is T (it is always represented with the uppercase letter) and it codes for tall. This type of allele masks the effect of another allele.
The recessive allele t (it is represented with a lowercase letter) codes for short. This type off allele has its effect masked by a dominant allele.
When we look at the Punnett square we can see the offspring possible combinations:
TT: 25%
Tt: 50%
tt: 25%
The TT combination results in a tall offspring as the T allele is dominant.
The Tt combination results in tall offspring as T allele is dominant against t allele.
The tt combination results in short as both alleles ar ressesive and code for short.
As a result a 75% of the offspring will be tall and 25% will be short.
The answer is, 25%
I need help with this practice problem solving My questions for you are at the top
Hi. We just had a session with this same question is there any doubt left?
In watermelons, the genes for green color and for short shape are dominant over their alleles for striped fruit and long shape. Suppose a plant that has genes for long striped fruit is crossed with a plant heterozygous for both these traits. What would be the phenotypic ratio of offspring from this cross?
Based on the genotype of the parents, the phenotypic ratio of the offspring is 1 : 1 : 1 : 1
What is the genotype of the parents of the cross?The genotype refers to the sum total of the genes present in an organism.
The genotype may also refer to the sum total of the genes that an organism has for a particular trait.
The genotype of the parents of the cross of the watermelons is determined as follows:
Let the allele for green be G, and the allele for stripped will be g.
Let the allele for short shape be S, and the allele for long shape will be s
Therefore, the genotype of a plant that has genes for long-striped fruit is ggss, and the genotype of a plant heterozygous for both these traits will be GgSs
The cross will be as follows: ggss x GgSs
The offspring of the cross will be: GgSs, GgSs,GgSs, GgSs, Ggss, Ggss, Ggss, Ggss, ggSs, ggSs, ggSs, ggSs, ggss, ggss, ggss, ggss.
GgSs = green and short
Ggss = green and long
ggSs = striped and short
ggss = striped and long
The phenotypic ratio is 1 : 1 : 1 : 1
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What is magnetism ?
.....
Answer: a physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects.
Explanation:
Taylor has recently suffered brain damage which has affected her thinking, planning, decision-making, language, and motor movement. Which lobe of Taylor's brain was likely damaged?A.frontal lobeB. parietal lobeC. occipital lobeD. temporal lobe
The answer is A. Frontal lobe. It is mainly involved in decision-making and movement.
The other options are incorrect because:
The occipital lobe is responsible for visual information.
The temporal lobe helps process auditory information.
The parietal lobe is basically involved with sensory processes, and attention.
Which of the following decreases the life expectancy of a population?I. High infant mortalityII. Poor sanitationIII. Adequate healthcare
The correct answer is II. Poor sanitation. This increases transmission of infectious disease which harms life expectancy. In the worst cases it creates epidemics that decimate populations, like black death in the eighteen century.
DIFFRENCE BETWEEN PERMANENT TISSUE AND MERISMETIC TISSUE
Thankuu~
Answer: Meristimetic tissue continues to divide and help the growth of a plant. Permanent tissue consists of plant cells that no longer divide.
Explanation: Trust me.
Meristematic tissue
The tissues (group of cells) which undergoes repeated cell division. At the tip of the plant, there is apical meristem. Those tissue helps the plant to grow longer. If the apical meristem is cuts accidentally, then the plant no longer grow and dies.
Permanent tissue
The tissues (group of cells) which does not undergo repeated cell division. The middle portion of the plant cells is permanent tissue.
Overall the plant growth depends on the apical meristematic cells.
Since both the liver and skeletal muscle can store glucose as glycogen, both organs can break down the glycogen into free glucose to release into the blood.
a. true
b. false
Since glucose is required for muscle contractions, a proper glucose metabolism is crucial for optimal health.
What different role of glucose in liver and skeletal muscle?When the muscle contracts, the GLUT4 glucose transporter moves glucose from intracellular storage depots to the plasma membrane and T-tubules, allowing it to enter the muscle cell.
A little quantity of glucose is kept in the brain, but the majority of it is kept as glycogen in the liver and skeletal muscles.
Exercise-induced muscle contraction boosts glucose absorption in skeletal muscle in addition to insulin stimulation. The facilitative GLUT4 is redistributed from intracellular storage vesicles in response to both stimuli.
Therefore, it is false that both the liver and skeletal muscle can store glucose as glycogen.
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is neurofibromatosis 1 a dominant or recessive trait?
Neurofibromatosis 1 has an autosomal dominant inheritance pattern.
Unlike other types of autosomal dominant conditions, for which one copy of the dominant gene is enough to express the trait/ sickness, for this condition the individual should carry both dominant alleles to trigger the formation of the tumors.
Which of these is not a function of some membrane proteins A keeping polar molecules out of a cell B receiving messages from other cells C recognizing other types of cells D Catalyzing chemical reactions in the cell
Membrane proteins are those structures that are joint to the membrane of the cell, which allows it to have communication between its inside and its outside, but they have a limited size, and because of that, they keep great polar molecules outside the cell, also receive messages from neighboring cells, and recognize other types of cells, but they are not involved in the catalyzation of chemical reactions in the cells, since their function is mainly allow the movement of molecules from inside to outside or vice versa, and, as we've seen, also the communication between other cells.
So the answer to this question is D. Catalyzing chemical reactions in the cell, what they don't do.
Identify the type of neuron that carry information from the sense organs such as the tongue, nose, skin, ears, and eyes to the spinal cord and the brain so that the stimuli received from these organs can be processedSensory neuron Interneurons Motor neuron
In order to connect stimulus perceived (which is done by the sensory neurons) with thecore nervous centers, a connector is required, this gap is filled by the interneurons. Interneurons are aimed to connect sensory data from the input (sensory organs) to the organs where this info is processed.
A patient with and O blood type can receive a transfusion from a donor with blood type ____ only.a) ABb) Oc) AB, A, or Od) AB, A, B, or Oe) AB, A, or B
Blood types are determined by the proteins present on the surface of the red blood cells.
• In blood type A, red cells have A antigens and there are anti-B antibodies in the plasma.
,• Blood type B has B antigens and anti-A anitbodies
,• Blood type AB has A and B antigens and no antibodies
,• Blood type O, has ,no antigens ,and ,both anti-A and anti-B antibodies.
Is important not to pair antigens and antibodies, as the antibodies of the recipient will attack the antigens.
For example, if a person with O blood type receives AB blood, the patient's anti-A and anti-B antibodies would attack the donor's blood because the red cells have A and B antigens.
This means that a person with O blood type can only receive blood type O because those red cells don't have any antigens on their surface (option b).
Properties of Matter Unit Test
7 of 117 of 11 Items
Question
Which of the following statements is true?(1 point)
Responses
The density of water is 1 gram per milliliter, so objects with a relative density of 1 milliliter per gram will float.
The density of water is 1 gram per milliliter, so objects with a relative density of 1 milliliter per gram will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will float.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink.
The density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink.
The density of water is 1 gram per milliliter, so objects with a relative density less than 1 gram per liter will sink.
The statement that is true is as follows: the density of water is 1 gram per milliliter, so objects with a relative density greater than 1 gram per milliliter will sink (option C).
What is density?Density is the measure of the mass of matter contained by a unit volume. The density of a liquid substance is a determinant of whether the substance will float or sink in water.
Water is a liquid substance with a density of 1 gram per millilitres (1 g/mL). This suggests that any substance with greater density than that of water will sink while any substance with lesser density than water will float.
Density is a measure of how heavy something is compared to its size, hence, if an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.
Therefore, according to this question, objects with a relative density greater than 1 gram per milliliter will sink.
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What’s the correct answer answer asap for brainlist
Answer: B
Explanation:
If a city
were a model for a cell,
would wastewater be more
likely part of endocytosis or
exocytosis? Explain.
If a city were a model for a cell, would wastewater be more likely part of endocytosis.
Briefing:The process of engulfing an object or particle with the cell membrane and bringing it inside the cell is known as endocytosis. The membrane completely encloses the substance by folding it over.
What is an endocytosis ?Endocytosis is the process by which cells take in foreign material by encasing it in their membrane. The two primary kinds of endocytosis are ocytosis and receptor-mediated endocytosis.
What is endocytosis transport?Endocytosis is a term that refers to a variety of active transport processes that carry particles into cells by encasing it in vesicles made of plasma membranes (endo = internal, cytosis = transport mechanism).
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The "waxy coat" present on some of the leaves of the Canadian Buttercups serves what purpose?A. To make it slippery to insectsB. To prevent the stomata from openingC. To allow water to slide off the petalD. To protect it from extreme temperatures
The waxy coat on plant's leaves serves to retain water. It is composed of cutin, a wax-like material produced by the plant which is chemically a hydroxy fatty acid.
C.
What is a scientific term that means rising crust?
The scientific term for rising crust is uplifting.
Uplifting is the sudden appearance of the land or rocks that were buried deep down inside, to the earth's surface. This may happen due to some upward force from the inside. Uplifting may also happen due to some activity in the tectonic plates.
Crust is the outermost layer of the Earth. It is the thinnest layer that goes only 40 km deep. The crust is composed of solid rocks and minerals. The rocks include sandstone, limestone, igneous and metamorphic. And the minerals are oxygen, silicon, aluminum, iron, etc. The crust also exhibits buoyancy.
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Which is NOT a phraseused by Darwin to describeevolution?A. "natural selection"B. "survival of the fittest"C. "struggling for existence"D. "evolution is artificial"
Let's recall what Charles Darwin found:
He stated that natural selection plays a huge role in evolution. He claimed that organisms that had the best traits well-adapted for their specific ecosystem would be able to survive the longest (the most fitness and also known as "survival of the fittest").
Also recall what happens in an ecosystem and food webs as well as the logistical growth equation:
[tex]\frac{dN}{dt}=r_{max}N\bigg(\frac{K-N}{K}\bigg)[/tex]Ecosystems have only so many amounts of resources, or limited resources. Therefore, organisms within the same ecosystem will compete for these resources. These organisms will struggle and fight to survive. They either adapt or they get killed off.
Therefore, the best answer choice that doesn't describe Darwin's statements about evolution is answer choice D.
