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34kurt
3 years ago
15

2. Identify two functions of plastids in plant cells.

Biology
1 answer:
Valentin [98]3 years ago
4 0

Plastids. Plant plastids are a group of closely related membrane-bound organelles that carry out many functions. They are responsible for photosynthesis, for storage of products such as starch, and for the synthesis of many types of molecules that are needed as cellular building blocks.

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If an egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, w
Dmitrij [34]
The answer is <span>A) All future somatic cells of the organism will contain the (2n + 1) number of chromosomes. 

An egg cell and a sperm cell fuse to develop a new organism in a process called a fertilization. As a result, a zygote is formed. When the </span>egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, the zygote will have (n + n + 1), which is (2n + 1) number of chromosomes. The zygote is  the first cell of the new organism. It undergoes mitosis resulting in somatic cells where all of them will contain the same <span>number of chromosomes as the zygote, which is (2n + 1)</span>
4 0
3 years ago
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kupik [55]
B, because species b has a higher percentage of survivors to old age than species C. Species a still has a higher rate than species C so the answer is b.
3 0
3 years ago
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Despite his young age, Ruben was recently diagnosed with hypertension. He knows that reducing dietary sodium and increasing diet
JulijaS [17]

Answer:

Potato

Explanation:

Hypertension is a condition developed due to the continuous high or elevated blood pressure in the arteries in the body. The main cause of hypertension is the contraction of the arteries and the consumption of food with a high level of sodium and low level of potassium.

It is suggested that people with hypertension should consume a diet rich in potassium but with a low amount of sodium.  The good source of food with a high level of potassium is baked potato which provides carbohydrates also, salmon, and the banana.

Since the amount of potassium is high in the baked potato, therefore, is the correct answer.

4 0
3 years ago
The biconcave shape of erythrocytes is a result of __________
weeeeeb [17]
<span>The answer would be: peripheral proteins anchored to the inner surface of their plasma membrane

Red blood cells have ankyrin and spectrin protein in their membrane that responsible for their biconcave shape. The shape itself is beneficial because it allows a larger surface area to accommodate gas exchange. It also allows the red blood cells to be squeezed into the narrow capillary blood vessels.</span>
6 0
4 years ago
Which of the following would not be included in a description of an organism's niche? a. its trophic level b. its color c. the h
IRISSAK [1]

Answer:

C

Explanation:

This is because niche talks about tje role of an organism.

Considering the humidity of the organism is not given a role to the organism.

7 0
3 years ago
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