TestMyHead.com

1.

(1 point)

Which of the following is the mRNA start codon in most cases?

UAA
AGU
AUG
UGA

2.

(1 point)

Which of the types of RNA is the smallest?

mRNA
tRNA
rRNA

3.

(1 point)

Which of the following is not considered a pyrimidine?

C
T
U
G

4.

(1 point)

Which of the following is paired correctly?

A-G
C-G
A-U
G-T

5.

(1 point)

Which of the following characterizes a Western blot?

Antibody/protein hybridization
DNA/RNA combination
RNA transcription
Polymerase chain reaction

6.

(1 point)

Which of the following divisions of cell growth precedes Mitosis in the cell cycle?

G₂
G₁
S
G₀

7.

(1 point)

Down syndrome is directly linked to a genetic abnormality of chromosome?

XXII
XXI
XIIX
XV

8.

(1 point)

Which of the following is a characteristic of the Hardy-Weinberg law?

Mating between species occurs at a set rate.
Migration is a considerable factor.
Mutation occurs at the locus
Genotype selection does not occur at the locus

9.

(1 point)

Which of the following is not an activated carrier?

ATP
SAM
TPP
GMP

10.

(1 point)

The end product of the TCA cycle produces ____ NADH.

3
4
5
6

11.

(1 point)

How many ATP are required to transform pyruvate into glucose?

5
6
7
8

12.

(1 point)

Which of the following is not a derivative of the amino acid (Tryptophan)?

Melatonin
Serotonin
Creatine
Niacin

Test your skills