Deck 3: DNA, RNA, and Protein

Question 1

The Central Dogma of Molecular Biology states that the flow of information isـــــــــــــــــــــــــ .

A)DNA $\to$ RNA $\to$ Protein
B)DNA $\to$ Protein
C)RNA $\to$ DNA $\to$ Protein
D)RNA $\to$ Protein

Answer 1

DNA $\to$ RNA $\to$ Protein

Question 2

Which of the following is not correctly paired?

A)adenine:thymine
B)guanine:cytosine
C)adenine:uracil
D)guanine:adenine

Answer 2

D

Question 3

The free 3' end of nucleic acids contains a and the free 5' end contains a .

A)phosphate;hydroxyl
B)hydroxyl;phosphate
C)phosphate;phosphate
D)hydroxyl;hydroxyl

Answer 3

B

Question 4

In DNA,thymine base pairs with .

A)adenine
B)guanine
C)uracil
D)cytosine

Question 5

During DNA base pairing,which of the following would be incorrectly paired?

A)guanine:cytosine
B)adenine:thymine
C)purine:purine
D)purine:pyrimindine

Question 6

All of the following are pyrimidines except .

A)thymine
B)adenine
C)cytosine
D)uracil

Question 7

Given the following sequence,which of the following is the complementary DNA strand?
5'-CCTAGAAACTG-3'

A)5'-CCTAGAAACTG-3'
B)5'-GGATCTTTGAC-5'
C)3'-GGATCTTTGAC-5'
D)3'-CAGTTTCTAGG-3'

Question 8

All of the following are found in DNA except .

A)guanine
B)thymine
C)uracil
D)adenine

Question 9

The monomers building blocks)of nucleic acids such as DNA and RNA are .

A)amino acids
B)monosaccharides
C)fatty acids
D)nucleotides

Question 10

All of the following are characteristics of RNA except .

A)double-stranded
B)uracil
C)single-stranded
D)2' hydroxyl

Question 11

DNA plus associated proteins is called .

A)chromatin
B)ribosomes
C)nuclei
D)histones

Question 12

How many hydrogen bonds form between adenine and thymine?

A)0
B)1
C)2
D)3