w. 7 ch. 17 nucleic acids & protein synthesis

Question 1

A _____ consists of a nitrogen-containing base and a sugar.

Answer 1

nucleoside

Question 2

A _____ consists of a nitrogen-containing base, a sugar, and a phosphate group.

Answer 2

nucleotide

Question 3

Which of the following cannot be found in a nucleotide of RNA?

Answer 3

deoxyribose

Question 4

Which of the following is found in RNA but not in DNA?

Answer 4

uracil

Question 5

Which of the following will not be found in DNA?

Answer 5

ribose

Question 6

Which of the following can be found in DNA?

Answer 6

deoxyadenosine

Question 7

The interactions that link the nucleotides in a nucleic acid are ____.

Answer 7

phosphodiester bonds

Question 8

The nucleotides in the backbone of DNA are held together by _____ bonds.

Answer 8

phosphodiester

Question 9

The unique sequence of bases in a nucleic acid is called the ______ structure.

Answer 9

primary

Question 10

The DNA of an organism is 29% adenine. The % of guanine is _____.

Answer 10

21%

Question 11

The base sequence of the strand of DNA complementary to the segment T G G C A A C is ______.

Answer 11

A C C G T T G

Question 12

The bonds that link the base pairs in the DNA double helix are _____.

Answer 12

hydrogen bonds

Question 13

The two new DNA molecules formed in replication _____.

Answer 13

contain one parent and one daughter strand

Question 14

What is the process in which the DNA double helix unfolds, and each strand serves as a template for the synthesis of a new strand?

Answer 14

replication

Question 15

When DNA replicates, a guanine forms a base pair with _____.

Answer 15

cytosine

Question 16

The two strands of the double helix of DNA are held together by _____.

Answer 16

hydrogen bonds

Question 17

In the synthesis of mRNA, an adenine in the DNA pairs with _______.

Answer 17

uracil

Question 18

Which of the following types of RNA carries the genetic information from DNA in the nucleus to the ribosomes?

Answer 18

mRNA

Question 19

The base sequence of the DNA template strand is T G C A A C. What is the corresponding mRNA?

Answer 19

A C G U U G

Question 20

In transcription ______.

Answer 20

the mRNA produced is complementary to one strand of the DNA

Question 21

Which of the following is a section of mRNA produced from the DNA template below?
A T A G C T A

Answer 21

U A U C G A U

Question 22

Which one of the following base pairs is found in DNA?

Answer 22

adenine-thymine

Question 23

A DNA template having the base sequence A G A T G A would produce an mRNA with a base sequence of _____.

Answer 23

U C U A C U

Question 24

When mRNA is synthesized using the information from DNA, the process is called _____.

Answer 24

transcription

Question 25

Codons are base pair sequences that _____.

Answer 25

code for amino acids

Question 26

The codon is found on _____, and the anticodon is found on _____.

Answer 26

mRNA, tRNA