3 years ago

What is the Important chemical that contains Nitrogen which is vital for all living things

1 answer:

5 0

Deoxyribonucleic acid or DNA is a chemical that contains nitrogen and is very important for living organisms. It plays and important role in making up the genetic constitution of the cell. It is hereditary and passes from one generation to another.

DNA is double stranded helix which coils and binds to non-histone proteins to pack inside the nucleus of the cell. Every living organism contains DNA or RNA as a genetic material.

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In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant

slega [8]

Answer:

1:1:1:1 walnut comb

Explanation:

If a cross is made between a female who is RRpp (rose comb) and a male who is rrPP (pea comb) then:

P: RRpp x rrPP

F1: RrPp RrPp RrPp RrPp

This means that all of the offspring in F1 generation will have heterozygous genotype (at both loci). Since it contains both dominant alleles, the phenotype is walnut comb.

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3 years ago

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solmaris [256]

1.0771E+8

i love Venus it is my most favorite planet.

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If an organism has a vestigial structures that structure likely once had a function in a

nikitadnepr [17]

I’m sure the answer is early ancestor.

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