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kumpel [21]
4 years ago
12

Explain why people, who inherit one mutated allele of the BRCA1

Biology
1 answer:
Vladimir [108]4 years ago
5 0

Answer:

genome maintenance genes are recessive; you need 2 to cause cancer. If someone inherits one, they only need 1 to cause cancer

Explanation:

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genes are withi the DNA strand

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4 years ago
Cells in the leaves of plants contain specialized structures called
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C

Explanation:

Photosynthesis occurs in chloroplasts

7 0
3 years ago
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Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) are different for the following reason(s):
vfiekz [6]

Answer:

b. dNTPs lack a hydroxyl group on the 2' carbon of their ribose sugar.

Explanation:

Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) are the monomers for RNA and DNA respectively. Both are the nucleotides with a pentose sugar, a nitrogenous base, and a phosphate unit. The Ribonucleotides (rNTPs) and deoxyribonucleotides (dNTPs) differ from each other with respect to pentose sugar. The ribonucleotides (rNTPs) have ribose sugar while deoxyribonucleotides (dNTPs) have deoxyribose sugar. The deoxyribose sugar of dNTPs lacks hydroxyl group at 2' carbon which is otherwise present in the ribose sugar.

3 0
4 years ago
Difference between specialist and generalist species and their niches?? Example of both?? A little help please
igor_vitrenko [27]

A generalist species is able to survive in a wide variety of environmental conditions and can make use of lots of different resources. Generalist species have a big niche. Humans, rabbits, house flies, and raccoons would all fall under the generalist species list.

A specialist species can only thrive is a small variety of environmental conditions and/or only has a limited diet. Specialist species have a small niche. Pandas, koalas, and salamanders would all fall under the specialist species list.

3 0
4 years ago
Which type of circulatory system is most likely present in organisms with a circulating body fluid that is distinct from the flu
Alex

A closed circulatory system is present in organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells.

<h3>What is the circulatory system?</h3>

The circulatory system is an organs system that works to carry out blood cells to all cells in the body.

The circulatory system is fundamental for transporting oxygen and nutrients to all cells of the body.

A closed circulatory system is a special organ system where the blood cells are not circulating in body cavities.

Learn more about closed circulatory systems here:

brainly.com/question/989029

3 0
2 years ago
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