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2 years ago

1. Which statement best describes chromosomes?

Biology

2 answers:

Arlecino [84]2 years ago

8 0

Answer:

A chromosome is an organized package of DNA found in the nucleus of the cell. Humans have 23 pairs of chromosomes--22 pairs of numbered chromosomes, called autosomes, and one pair of sex chromosomes, X and Y.

Explanation:

hope this is right for you.

Naddika [18.5K]2 years ago

3 0

Answer:

Statement 4

Explanation:

1 and 2 are obviously wrong because DNA holds genetic information and doesn't do cell respiration and chlorophyll is a protein not DNA.

3 is wrong because interphase is the first part of mitosis and the chromosomes haven't formed or separated yet.

4 is correct because chromosomes have DNA (and some proteins)

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Semmy [17]

Answer:The Ozone Hole. One billion years ago, early aquatic organisms called blue-green algae began using energy from the Sun to split molecules of H2O and CO2 and recombine them into organic compounds and molecular oxygen (O2). ... As oxygen in the atmosphere increased, CO2 decreased.

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3 years ago

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77julia77 [94]

Answer:

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3 years ago

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When you are ill with a cold, you fix a bowl of chicken noodle soup to eat to feel better. what factor drives your food choice i

eduard

emotional comfort. according to some studies in psychological science, chicken soup is good for your emotions. the soup plays a great role in reducing the irritation that accompanies common cold. it emotionally and psychologically makes an individual to feel better. in fact individuals are encourage to over eat chicken noodle in the duration they suffer from the common cold.

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4 years ago

Consider the chemical reaction represented below.

inessss [21]

Answer:

c may be not sure

Explanation:

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3 years ago

What relationship exists between body mass and metabolic rate ?

Alja [10]

Answer:

The body mass index is inversely proportional to the basal metabolic rate.

Studies in adult male prove that people with low BMI have high BMR and vice versa.

Explanation:

Body Mass Index – is the weight of the person (kg) divided by his/her height $\left(\mathrm{m}^{2}\right)$

Basal Metabolic Rate – is the amount of calories a body needs to fulfill its daily activities.

BMR is usually higher in males than in females. It also reduces with increase in age of a person irrespective of gender.

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4 years ago