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Biology : The Unity and Diversity of Life

Cecie Starr, Christine A. Evers; Lisa Starr

Chapter 9

From DNA to Protein - all with Video Answers

Educators

Chapter Questions

01:10

Problem 1

A chromosome contains many different genes that are transcribed into different _________.
a. proteins
b. polypeptides
c. RNAs
d. a and b

Ashton Cook
Ashton Cook
Numerade Educator
00:28

Problem 2

A binding site for RNA polymerase is called a _________.
a. gene
b. promoter
c. codon
d. protein

Aditya Sood
Aditya Sood
Numerade Educator
01:08

Problem 3

In cells, most RNA molecules are _________; most DNA molecules are _________.
a. single-stranded; double-stranded
b. double-stranded; single-stranded

Charles Machakwa
Charles Machakwa
Numerade Educator
00:19

Problem 4

Match each process with its product.
_________ transcription
_________ replication
_________ translation
a. DNA
b. RNA
c. protein

Mishal Gul
Mishal Gul
Numerade Educator
00:36

Problem 5

The main function of a DNA molecule is to _________.
a. store heritable information
b. carry a translatable message
c. form peptide bonds between amino acids

Aditya Sood
Aditya Sood
Numerade Educator
00:44

Problem 6

The main function of an mRNA molecule is to _________.
a. store heritable information
b. carry a translatable message
c. form peptide bonds between amino acids

Aditya Sood
Aditya Sood
Numerade Educator
00:29

Problem 7

Transcription is similar to DNA replication because both processes _________.
a. use the same enzyme
b. copy both strands
c. require the same nucleotides
d. proceed in the $5^{\prime}$ to $3^{\prime}$ direction

Mishal Gul
Mishal Gul
Numerade Educator
02:00

Problem 8

Most codons specify a(n) _________.
a. protein
c. amino acid
b. polypeptide
d. mRNA

Ashton Cook
Ashton Cook
Numerade Educator
00:56

Problem 9

Energy that drives transcription is provided mainly by _________.
a. ATP
b. RNA nucleotides
c. GTP
d. RNA polymerase

Aditya Sood
Aditya Sood
Numerade Educator
01:11

Problem 10

Anticodons pair with _________.
a. mRNA codons
b. DNA codons
c. RNA anticodons
d. amino acids

Lottie Adams
Lottie Adams
Numerade Educator
00:36

Problem 11

What is the maximum number of amino acids that can be encoded by a gene with 45 bases plus a stop codon?
a. 15
b. 45
c. 90
d. 135

Aditya Sood
Aditya Sood
Numerade Educator
01:30

Problem 12

_________ is/are removed from a new mRNA.
a. Introns
b. Exons
c. A poly-A tail
d. Amino acids

Charles Machakwa
Charles Machakwa
Numerade Educator
01:12

Problem 13

Transcription take place in the _________ of prokaryotic
a. nucleus
b. plasma membrane
c. cytoplasm
d. all of the above

Charles Machakwa
Charles Machakwa
Numerade Educator
01:00

Problem 14

Energy that drives translation is provided mainly by _________.
a. ATP
b. amino acids
c. GTP
d. all of the above

Charles Machakwa
Charles Machakwa
Numerade Educator
00:48

Problem 15

Match the terms with the best description.
_________genetic message
_________promoter
_________polysome
_________exon
_________genetic code
_________intron
_________anticodon
_________RIP
_________deletion
_________rRNA
a. protein-coding segment
b. transcription begins here
c. read as base triplets
d. removed before translation
e. occurs only in groups
f. 64 codons
g. destroys ribosomes
h. often causes a frameshift
i. enzymatic RNA
j. binds to a codon

Mishal Gul
Mishal Gul
Numerade Educator