true or false........ (look at the pic below for the question)

Answer:

fascillated diffusion

Explanation:

it so utilised by molecules that are unable to freely cross the phospholipid bilayer.

Answer:

That's a plant cell, animal cells have no cell walls

Answer:

1) Hydrogen

2) Nucleotide phosphates

3) Sugar

4) Original free DNA

5) Unzip exposed bases

6) Identical

7) New

8) Complementary

Explanation:

2 Choose from the following words to fill in the blanks of the steps in DNA replication. Each one may be used only once. identical new sugar unzip exposed bases original free DNA nucleotides phosphate hydrogen  The ____hydrogen_ bonds between the bases break, and the two DNA strands unwind and____ nucleotides phosphates____ are brought in, and they attach to the ____sugar___ on both DNA strands. Bonds form between the ___original free DNA___ and ____unzip exposed bases__ molecules of the just-arrived DNA nucleotides, forming a new strand. DNA replication results in two DNA double helices, each composed of one ___identical___ and one ___new__ strand. The new DNA molecules are ____complementary_____ to each other and  the original DNA.

Answer:

Thymine, which is often abbreviated to T or Thy, can also be referred to as 5-methyluracil. It is one of the pyrimidine bases found in the nucleic acid of DNA, along with adenine, guanine and cytosine (A, G and C). These bases are the building blocks of DNA and life form on earth.

Explanation:

can someone help me on my most recent question, its math and its multiple choice

Answer:

Explanation:

It is one of the pyrimidine bases found in the nucleic acid of DNA, along with adenine, guanine and cytosine (A, G and C). These bases are the building blocks of DNA and life form on earth.

Answer:

B) The nutrients are picked up and transported around the body by blood from the circulatory system.

Explanation:

Food goes through your digestive system. Nutrients are taken out of your food in your intestines. Your intestinal walls absorb the nutrients and put them into your blood, which is put into your bloodstream in the natural cycle of blood going through your veins and arteries. Along the way, nutrients are brought to cells everywhere in your body before going through your heart and then kidneys.

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Answer:

Enzymes are catalysts that lower the activation energy required for reaction to take place.  Enzymes speed up reactions.

Explanation:

Answer:

not respond with appropriate actions

Explanation:

produce their own chemical messages

not respond with appropriate actions

develop different receptors

no longer be produced in the organism

b is correct

answer from a quiz

Answer:  Dialysis cleans your blood by passing it through a filter. If you do peritoneal dialysis (PD), the filter is the lining of your abdomen (your peritoneum). If you do hemodialysis, the filter is made of plastic. Your blood is on one side of the filter.

Explanation:Hemodialysis uses a machine to pull blood out of the body, filter it, and pump the clean blood back into the body again. The actual filtering happens in a part of the machine called a dialyzer, or artificial kidney. The dialyzer has two parts. One part is for blood.

Answer:

A.) The sexual phase can produce variations within the species

Explanation:

Sexual reproduction allows for the mixing of genes which creates variation.  Since asexual reproduction just involves one cell, the daughter cells will be identical to the parent. Thus, no variation is created.

The fern's life cycle has been constituted of asexual and sexual phases that include sporophyte, and gametophyte. The sexual phase of the fern allows variation in the species. Thus, option A is correct.

Alternation of generations is the type of life cycle that includes both the asexual and sexual phases. They differ in morphology and genetics which results in the formation of varied offspring. It consists of two distinct phases that differ chromosomally.

The first phase includes sporophyte that produces spores that are in the asexual mode, whereas the second phase includes gametophytes that produce gametes that are in the sexual mode of reproduction. The gametophytes are the haploid plants and sporophytes are the diploid plants.

The sexual phase or the gametophytes allows the species to have variations as they involve the recombination and crossing over of the chromosomes that lack in the asexual mode of reproduction.

Therefore, option A. sexual reproduction allows variations.

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Answer:

What is found in the nucleus of animal cells

Explanation:

DNA

Answer:

Hope that was helpful

Explanation:

Animal cells contain three main regions: plasma membrane, nucleus, and cytoplasm. The nucleus is a cell's central organelle, which contains the cell's DNA.

The structure of a nucleus encompasses the nuclear membrane, nucleoplasm, chromosomes, and nucleolus. The nuclear membrane is a double-layered structure that encloses the contents of the nucleus.

Answer:

Explanation:

Crops in the arctic grow larger than normal during the summer months because the snow and ice from winter starts to melt, giving the plants a lot more water.

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Answer:

(1 point) Crops in the arctic grow larger than normal during the summer months because the snow and ice from winter starts to melt, giving the plants a lot more water.

The answer is C i'm pretty sure

The water comes from cellular respiration when a plant is left in a closed clear container and this process is called transpiration. Hence, option B is correct.

The process of transpiration occurs when plant roots take in water and then release it as vapor through the leaves. As one of the primary sources of water entering the atmosphere, transpiration plays a significant role in the water cycle.

In addition, plant transpiration contributes significantly to the leaf's energy balance by providing evaporative cooling. Additionally, the movement of water and nutrients from the roots to the shoots is accelerated by transpiration.

When a plant is left in a closed clear container, moisture can be observed inside the container. This water comes from cellular respiration through the process of transpiration. Hence, option B is correct.

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I think it's muscle cells cuz it's anaerobic respiration and It cannot be in plants or food sources

hope this helps ;)

Answer:

muscle cells

Explanation:

Answer:

The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. In many ways, respiration is the opposite of photosynthesis. As with photosynthesis, plants get oxygen from the air through the stomata

Answer:

Basketball with a velocity of 9.0 m/s

Explanation: The one with more velocity has the more momentum

Answer:

Are there risks of mutations by interbreeding?

Explanation:

Selective breeding can be defined as the production of offspring by the mating of organisms in a given group to obtain desired phenotypic characteristics. White peacocks are closely related individuals that have a genetic mutation (leucism) that produces the lack of pigmentation in their plumage. It is well known that interbreeding between close relatives (inbreeding) increases the risk of recessive genetic disorders because organisms that are genetically closely related have more chances to carry a copy of the same recessive genes, which may or not contain recessive deleterious mutations. In consequence, in this case, it seems reasonable to ask if there risks of negative impacts caused by recessive deleterious mutations.

Answer:

b

Explanation:

its not one

Answer:

diploid

Explanation:

diploid sorry if I'm wrong

Answer:

first of all coral is no right second of all the answer is water

Explanation:

Answer: the right answer for this question is

D) Water

Explanation: I took the quiz hope this helps!

Explanation:

In self-pollinating plants, there is less dependence on the external factors to cause pollination. These plants depend on wind or other smaller insects that visit the flower regularly. In self- pollinating flowers, the anthers, and stigma are of similar lengths to facilitate the transfer of pollen.

Answer:

The two types of Pollination are Self Pollination and Cross Pollination.

Explanation.

During the process of fertilizations in green plants ,mature gametes (pollen grains) are transferred from the male reproductive parts(flowers) of plants(anther) to the receptive female reproductive parts of the same plants or another plants of the same species(stigma) for fertilizations to take place .This process is called Pollination.

If the transfer takes place between the anther and stigma of the same plants, this is Self pollination. However if between the anther and stigma of another plants, but of the same species it is called cross pollination.

Therefore, the two types;

• Self-Pollination

• Cross pollination.

Self-Pollination.  

This is one of the process of  reproduction in hermaphrodite or monoecious Plants. Plants with male and female reproductive parts in their flowers.

• The reproductive parts(anther and filament) are naturally created close to one another in most cases.

• They are also of propionate  length to facilitate the the  reacceptance of pollen grains from anther on the stigma.

• The stamen and carpel usually mature at the same time to aid pollination.

.Its advantages are-

• No diversity of genes since there is no cross over at meiosis, therefore the genome is pure for progeny of similar traits to the parents.

•  

• Its allow the manifestation of the recessive allele, and therefore stability of the same type of parent plant from generation to generation.

• Does not depend on external factors or agents. therefore, pollen grains are not wasted. Pollination is usually 100% success rate.

• Disadvantages.

• Lack of variation leads to plants with loss of vigor. This affect the quality of offspring produced.  

• The progenies has low resistance to diseases leading to poor yield. This may lead to loss of the plant lineage with time because plants with high vigor may evolve with time, based on Darwin Theory.

• Cross pollination.

This occurs in Dioecious plants. That is plants with district male and female reproductive flowering parts.

It depends on the external factors or agents of wind, water, animals (including human) insects to take place. These factors transfer(i.e Cross) the mature pollen from the anther of one flower to the stigma of the another flower of another plants but of the same species. Based on the agent of pollination, cross pollination can be placed into different groups.

Advantages.

Since there is blend of traits among different plants of the same species, there is diversity of genes through variation. This ensures;

Progeny with characteristics different from each of the parents Hybrid). The beneficial effects of these are;

High vigor.

High resistant to diseases.

High yield.

Evolution of new species over time.

However, wastage of pollen in transition and loss of good traits through the agents are few disadvantages. Although plants make up for this with large amount of pollen produced.

Because cross pollination allow genetic diversity through blending of genes from different plants of the same species, it ensure survival of the plants with better vigor more than self pollination because the progeny becomes weak and later edged out by the more dominant progeny from the cross palliation.

This is the survival of the fittest by natural selection.

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Answer:

A. whether or not the inheritance of one trait affected the other.

Explanation:

I just had this question on my exam :)

Answer:

Genotypic results: 1 (TT):2 (Tt) :1 (tt)

Homzygous Dominant: 1/4

Heterozygous: 1/2

Homzygous Recessive: 1/4

Phenotypc results: 3 tall: 1 short

Tall: 3/4

Short: 1/4

Explanation:

This question involves a gene coding for height. The alelle for tallness (T) is dominant over the allele for shortness (t). According to this question, a cross between two Brassic rap parent plants known to be heterozygos tall (Tt) is performed.

Each parent will produce gametes T and t. Using these gametes in a punnet square (see attached image), the following offsprings will be produced:

TT (1), Tt (2), and tt (1)

Based on this result, the following results are obtained:

Genotypic results: 1 (TT):2 (Tt) :1 (tt)

Homzygous Dominant: 1/4

Heterozygous: 1/2

Homzygous Recessive: 1/4

Phenotypc results: 3 tall: 1 short

Tall: 3/4

Short: 1/4