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Biology of Humans: Concepts, Applications, and Issues

Judith Goodenough, Betty McGuire

Chapter 21

DNA and Biotechnology - all with Video Answers

Educators


Chapter Questions

00:10

Problem 1

What is the complementary base for thymine?
a. adenine
b. cytosine
c. guanine
d. uracil

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:18

Problem 2

Although the amount of any particular base in DNA will vary among individuals, the amount of guanine will always equal the amount of
a. thymine.
b. adenine.
c. cytosine.
d. uracil

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:12

Problem 3

A codon is located on
a. DNA.
b. mRNA.
c. tRNA.
d. rRNA.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:17

Problem 4

Translation produces
a. a polypeptide chain.
b. mRNA complementary to a template strand of DNA.
c. tRNA complementary to mRNA.
d. rRNA.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:22

Problem 5

Choose the incorrect statement about restriction enzymes.
a. They are used to create recombinant plasmids.
b. They are necessary for translation.
c. They are used to produce DNA fingerprints.
d. They cut DNA at specific sequences.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:08

Problem 6

Which codon on mRNA is the start signal for translation?
a. CUG
b. ATC
c. AUG
d. UAA

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:15

Problem 7

The polymerase chain reaction is a technique used to
a. attach amino acids to a growing polypeptide chain.
b. increase the number of copies of a small sample of DNA.
c. splice DNA into a plasmid.
d. regulate the transcription of genes.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:20

Problem 8

What is a genome?
a. a technique for creating recombinant DNA
b. a technique for determining which genes are active under certain conditions
c. the coding sequence of a gene
d. the entire set of genes carried by one member of a species

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:19

Problem 9

What is microarray analysis?
a. a technique for creating recombinant DNA
b. a technique for determining which genes are active under certain conditions
c. a technique used to identify the coding sequence of a gene
d. the entire set of genes carried by one member of a species

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:18

Problem 10

The anticodon is located on a molecule of _____________.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:13

Problem 11

In $\mathrm{RNA}$, the nucleotide ________ binds with adenine.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator
00:20

Problem 12

In genetic engineering, the staggered cuts in DNA that allow genes to be spliced together are made by __________.

Sam Limsuwannarot
Sam Limsuwannarot
Numerade Educator