DNA Replication Quiz

1. Long chains of amino acids are:
A proteins
B polypeptides
C both of the above
2. The number of different amino acids in humans is about:
A 100
B 10
C 20
3. Examples of proteins are:
A hormones and enzymes
B antibodies and hair keratin
C both of the above
4. The 2 main types of nucleic acids are:
A mRNA and gRNA
B hRNA and tRNA
C DNA and RNA
5. The structure of RNA is a:
A double helix
B single strand
C circular chromosome
6. A nitrogen base, a phosphate group and a sugar is known as a:
A rung of a ladder
B nucleotide
C nitrogen base
7. RNA is found in:
A the ribosomes only
B the nucleus and the cytoplasm
C the nucleus only
8. The purines are:
A cytosine and thymine
B thymine and uracil
C adenine and guanine
9. The 'workbenches' where proteins are made are the:
Anuclei
Bribosomes
Cgolgi bodies
10. DNA replication occurs during:
Ameiosis
Bmitosis
Cboth of the above
11. A nucleotide is composed of:
Anitrogen base, DNA and ATP
Bnitrogenous base, five-carbon sugar and phosphate group
Cnitrogen base, amino acid and ATP
12. The codon of mRNA and the anti-codon of tRNA are:
Athe same
Bsupplementary
Ccomplementary
13. What are the main differences in composition between DNA and RNA?
ADNA - adenine and thymine only; RNA - guanine and cytosine only
BDNA - thymine not uracil, deoxyribose; RNA - uracil not thymine, ribose
CDNA - phosphate and monosaccharide; RNA - amino acid and phosphate
14. What is the difference in location between DNA and RNA in cells that are not undergoing cell division?
ANo difference
BDNA in cytoplasm; RNA remains in nucleus
CDNA in nucleus; RNA in nucleus and cytoplasm
15. What is transcription?
Athe replication of the genetic codon from one cell to another in cell division
Bthe making of RNA from DNA
Cthe making of proteins using the genetic blueprint from DNA via 3 types of RNA
 
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