1 |
Innate behavior is all except; |
- A. Coded in DNA
- B. Modified in individuals life span
- C. Modified with species evolution
- D. Programmed responses to external stimuli
|
2 |
V-shaped chromosomes are called. |
- A. Acrocentric
- B. Metacentric
- C. Telocentric
- D. submetacentric
|
3 |
<sup>32</sup>P and <sup>35</sup>S labeled viruses were used in his experiments by |
- A. Watson & Crick
- B. Hershey & Chase
- C. Wilkins & Franklin
- D. Correns & Bridge
|
4 |
Repeating units of DNA are called. |
- A. Histones
- B. Nucleosides
- C. Nucleotides
- D. Amino acids
|
5 |
Walter Fleming first discovered chromosomes in the dividing cells of. |
- A. Frog larvae
- B. Sea urchin larvae
- C. Insect larvae
- D. Salamander larvae
|
6 |
RNA polymerase II synthesize. |
- A. mRNA
- B. tRNA
- C. rRNA
- D. cDNA
|
7 |
The genetic code for glycine is. |
- A. UAG
- B. GAU
- C. GUA
- D. GGU
|
8 |
Human cells contain types of tRNA molecules. |
- A. 20
- B. 45
- C. 195
- D. 300
|
9 |
Which of the following is a non sense codon. |
- A. UGA
- B. UGG
- C. AUG
- D. AUC
|
10 |
Amino acid attachment site of tRNA is. |
- A. G-end
- B. 2' -end
- C. 3'- end
- D. 5' -end
|