Concept explainers
(a)
Interpretation:
DNA
It stands for deoxyribonucleic acid and it has four nitrogen bases adenine, thymine cytosine and guanine, it is double stranded and lacks of oxygen.
RNA
It stands for ribonucleic acid and it has four nitrogen bases adenine, uracil cytosine and guanine. it is single stranded and can leave the nucleus.
Concept introduction:
Cytosine is one of the four bases found in . The structure of cytosine is
To determine:
Cytosine is found in DNA only, RNA only or both DNA and RNA.
(b)
Interpretation:
DNA
It stands for deoxyribonucleic acid and it has four nitrogen bases adenine, thymine cytosine and guanine, it is double stranded and lacks of oxygen.
RNA
It stands for ribonucleic acid and it has four nitrogen bases adenine, uracil cytosine and guanine. it is single stranded and can leave the nucleus.
Concept introduction:
Adenine is one of the two purine nucleases with structural formula is .
To determine: if adenine found in DNA only, RNA only or both DNA and RNA.
(c)
Interpretation:
DNA
It stands for deoxyribonucleic acid and it has four nitrogen bases adenine, thymine cytosine and guanine, it is double stranded and lacks of oxygen.
RNA
It stands for ribonucleic acid and it has four nitrogen bases adenine, uracil cytosine and guanine. it is single stranded and can leave the nucleus.
Concept introduction:
Uracil is one of the four nucleases in the nucleic of that are represented by the letters .
The structure formula of Uracil is
To determine: If uracil found in DNA only, RNA only or both DNA and RNA.
(d)
Interpretation:
DNA
It stands for deoxyribonucleic acid and it has four nitrogen bases adenine, thymine cytosine and guanine, it is double stranded and lacks of oxygen.
RNA
It stands for ribonucleic acid and it has four nitrogen bases adenine, uracil cytosine and guanine. it is single stranded and can leave the nucleus.
Concept introduction:
Thymine is one of the four nucleobases in the
The structure of thymine is as follows.
To determine: If thymine found in DNA only, RNA only or DNA and RNA both.
(e)
Interpretation:
DNA
It stands for deoxyribonucleic acid and it has four nitrogen bases adenine, thymine cytosine and guanine, it is double stranded and lacks of oxygen.
RNA
It stands for ribonucleic acid and it has four nitrogen bases adenine, uracil cytosine and guanine. it is single stranded and can leave the nucleus.
Concept introduction:
Guanine is one of the four main nucleobases found in the nucleic acid. The structure of guanine is as follows.
To determine: If guanine found in DNA only, RNA only or both DNA and RNA.
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