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PIT_PIT [208]
3 years ago
8

Why do people who exercise need more calories than people who don't exercise?

Biology
1 answer:
tamaranim1 [39]3 years ago
6 0
To tone out their body
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What is inside a seed?
Ber [7]

Answer:

inside a seed is a plant called the embryo

Explanation:

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2 years ago
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Explain mutations and how they can cause genetic disease
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Answer:

A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing radiation, exposure to chemicals
called mutagens, or infection by viruses. Germ line mutations occur in the eggs and sperm and can be passed on to offspring, while somatic mutations occur in body cells and are not passed on.

Mutation has been the source of many Hollywood movies, but it's really a simple process of a mistake made in a DNA sequence as it's being copied. Some of that's just the background noise that DNA copying is not perfect, and we should be glad of that or evolution couldn't operate. But mutation can also be induced by things like radiation or carcinogens in a way that can increase the risk of cancers or birth defects. But it's pretty simple; it's basically an induced misspelling of the DNA sequence.
That's a mutation.


When a variant alters a protein that plays a critical role in the body, it can disrupt normal development or cause a health condition. A condition caused by variants in one or more genes is called a genetic disorder. In some cases, gene variants are so severe that they prevent an embryo from surviving until birth.

5 0
3 years ago
Identify the fuel that could be classified as a nonrenewable or renewable resource.
ryzh [129]

Answer:

Wood

Explanation:

Takes time to reproduce it.

5 0
2 years ago
During aerobic cellular respiration, what combines with hydrogen ions and the product is released as a by-product of respiration
Rufina [12.5K]
 The correct answer is C, Oxygen.
During aerobic cellular respiration, oxygen combines with hydrogen ions and water is released as a by-product of respiration. 

Explanation; 
Cellular respiration allows organisms to release energy stored in chemical bonds of glucose, and other nutrients. The energy in glucose or other nutrients such as fats is used to produce ATP, which cells use to supply their energy needs. During aerobic respiration (in presence of oxygen), oxygen is reduced and water is produced together with carbon dioxide as by-products. 
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svetlana [45]
Some species cell division produces reproductive cells in sexually reproduce organisms
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3 years ago
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