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kvasek [131]
3 years ago
14

3. Explain why do animalcells have mitochondria butno chloroplasts?​

Biology
1 answer:
MaRussiya [10]3 years ago
3 0

Answer:

Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.

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Compare and contrast genetic engineering to the process of natural selection select all statements that are are
alisha [4.7K]

Genetic engineering is due to the human selection of desired phenotypes, whereas natural selection is a slow process of differential survival and reproduction.

<h3>What does natural selection mean?</h3>

According to the evolution theory, natural selection is a slow process of differential survival of the fittest organisms in a given environment.

Conversely, genetic engineering refers to the molecular biology techniques used in the laboratory to produce organisms expressing desired phenotypes.

In conclusion, genetic engineering is based on human molecular biology techniques, whereas natural selection refers to differential survival and reproduction in nature.

Learn more about genetic engineering and natural selection here:

brainly.com/question/10734489

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3 0
1 year ago
Which system connects the lungs to the heart?
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Hello,

Here is your answer:

Your answer is the circulatory system!

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Your answer is Circulatory system!

If you need anymore help just ask me!

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8 0
3 years ago
Inheritance patterns cannot always be explained by Mendel’s models of inheritance. If a pair of homologous chromosomes fails to
Talja [164]

The correct answer is: a. n+1, n+1, n-1, n-1

Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly during mitosis  or meiosis. There are three forms of nondisjunction:  

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As a consequence of nondisjunction abnormal chromosome numbers appears. If nondisjunction occurs during the meiosis I (anaphase I), this means that at least one pair of homologous chromosomes did not separate. The consequence is two cells that have an extra copy of one chromosome and two cells that lack that chromosome.

4 0
3 years ago
Read 2 more answers
Select all that apply.
love history [14]
Boyle's law states that the relationship between pressure and volume of a fixed amount of gas at a fixed temperature is inversely proportional. This means that the higher the pressure, the lower the volume, in a proportional relationship. Therefore, of the statements listed, b: 'the temperature and the number of molecules must remain constant for the law to apply' and d: 'a<span>s the pressure of a gas increases, the volume decreases proportionally</span>' are correct.
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3 years ago
Suppose a mutation of an allele occurred in a few members of an isolated group of early humans that resulted in a distaste for f
sergij07 [2.7K]

Answer:

The answer is E. the allele frequency would remain the same.

Explanation:

3 0
3 years ago
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