Question 1

In recombinant DNA technology, enzymes used to precisely cut DNA are called

Accepted Answer

A) DNA ligases. 
B) restriction enzymes. 
C) DNA polymerases. 
D) RNA polymerases. 
E) vectors. 
A) DNA ligases. 
B) restriction enzymes. 
C) DNA polymerases. 
D) RNA polymerases. 
E) vectors. B

Question 2

In eukaryotes, transcription occurs in the

Accepted Answer

A) cell membrane. 
B) cytoplasm. 
C) mitochondria. 
D) nucleus. 
E) ribosome. 
A) cell membrane. 
B) cytoplasm. 
C) mitochondria. 
D) nucleus. 
E) ribosome. D

Question 3

The three-base sequence of DNA codes for

Accepted Answer

A) one protein. 
B) one strand of mRNA. 
C) one amino acid. 
D) one polypeptide. 
E) one strand of tRNA. 
A) one protein. 
B) one strand of mRNA. 
C) one amino acid. 
D) one polypeptide. 
E) one strand of tRNA. C

Question 4

Match between columns
                        Premises: site where RNA polymerase binds to DNA
site where protein binding can block transcription
cluster of genes under coordinated regulation
potential DNA-binding protein

Accepted Answer

The Answer of operon and promoter and repressor and operator is...

Question 5

The AT3 protein that Harry Meade was working with.

Accepted Answer

A) is important to aid in clot formation. 
B) has never been cloned. 
C) can prevent blood clots from forming. 
D) is found only in sheep. 
E) is produced in the salivary glands. 
A) is important to aid in clot formation. 
B) has never been cloned. 
C) can prevent blood clots from forming. 
D) is found only in sheep. 
E) is produced in the salivary glands.

Question 6

The anticodon of the tRNA molecule base pairs with

Accepted Answer

A) DNA. 
B) mRNA. 
C) amino acids. 
D) polypeptides. 
E) rRNA. 
A) DNA. 
B) mRNA. 
C) amino acids. 
D) polypeptides. 
E) rRNA.

Question 7

Compare and contrast DNA and RNA.

Accepted Answer

Both DNA and RNA are composed of nucleot

Question 8

When looking at a table depicting the genetic code, the base sequences signify

Accepted Answer

A) DNA. 
B) mtDNA. 
C) mRNA. 
D) tRNA. 
E) rRNA. 
A) DNA. 
B) mtDNA. 
C) mRNA. 
D) tRNA. 
E) rRNA.

Question 9

A component of bacteria that are often used in biotechnology are

Accepted Answer

A) operons. 
B) introns. 
C) exons. 
D) polypeptides. 
E) plasmids. 
A) operons. 
B) introns. 
C) exons. 
D) polypeptides. 
E) plasmids.

Question 10

Match between columns
                        Premises: AUG
AGG
GUU
UAA
AAU

Accepted Answer

The Answer of arg and stop and met/start and asn is...

Question 11

In DNA, cytosine bonds to guanine. In RNA, cytosine bonds to

Accepted Answer

A) thymine. 
B) cytosine. 
C) uracil. 
D) guanine. 
E) adenine. 
A) thymine. 
B) cytosine. 
C) uracil. 
D) guanine. 
E) adenine.

Question 12

What enzymes are used to cut DNA molecules? How do they work?

Accepted Answer

Restriction enzymes are used to cut DNA

Question 13

The "language" of the genetic code of RNA uses an alphabet of

Accepted Answer

A) nucleotide bases. 
B) proteins. 
C) amino acids. 
D) Sugars. 
E) phosphate molecules. 
A) nucleotide bases. 
B) proteins. 
C) amino acids. 
D) Sugars. 
E) phosphate molecules.

Question 14

All of the following can lead to cancer except

Accepted Answer

A) mutagens. 
B) Bacteria. 
C) mutations. 
D) UV radiation. 
E) carcinogens. 
A) mutagens. 
B) Bacteria. 
C) mutations. 
D) UV radiation. 
E) carcinogens.

Question 15

Ultraviolet light can cause permanent changes in genes. These changes are called

Accepted Answer

A) mutations. 
B) enzymes. 
C) fibrin. 
D) promoters. 
E) polypeptides. 
A) mutations. 
B) enzymes. 
C) fibrin. 
D) promoters. 
E) polypeptides.

Question 16

Match between columns
                        Premises: contains the base uracil
is usually double-stranded
has a sugar-phosphate backbone
has one strand that serves as a template during transcription
carries the genetic information to the ribosome
can exit the nucleus

Accepted Answer

The Answer of DNA and RNA and both DNA and is...

Question 17

Organisms carrying genes from another species are called

Accepted Answer

A) transformed. 
B) transgenic. 
C) cancerous. 
D) hybrids. 
E) vectors. 
A) transformed. 
B) transgenic. 
C) cancerous. 
D) hybrids. 
E) vectors.

Question 18

Match between columns
                        Premises: the ribosomal subunits join
a tRNA molecule carrying methionine binds
the polypeptide falls from the ribosome
a stop codon is reached
tRNA molecules carrying amino acids add to the growing chain

Accepted Answer

The Answer of disassembly and elongation and termination and initiation is...

Question 19

To determine whether gene transfer has been successful, one would add

Accepted Answer

A) nutrient broth to the medium. 
B) plasmids to the culture dish. 
C) amino acids to the culture dish. 
D) antibiotics to the culture dish. 
E) DNA to the medium. 
A) nutrient broth to the medium. 
B) plasmids to the culture dish. 
C) amino acids to the culture dish. 
D) antibiotics to the culture dish. 
E) DNA to the medium.

Question 20

tRNA molecules are composed of

Accepted Answer

A) DNA. 
B) nucleotides. 
C) amino acids 
D) polypeptides. 
E) lipids. 
A) DNA. 
B) nucleotides. 
C) amino acids 
D) polypeptides. 
E) lipids.

Exam 7: Genes, Proteins, and Genetic Engineering

In recombinant DNA technology, enzymes used to precisely cut DNA are called

In eukaryotes, transcription occurs in the

The three-base sequence of DNA codes for

The AT3 protein that Harry Meade was working with.

The anticodon of the tRNA molecule base pairs with

Compare and contrast DNA and RNA.

When looking at a table depicting the genetic code, the base sequences signify

A component of bacteria that are often used in biotechnology are

In DNA, cytosine bonds to guanine. In RNA, cytosine bonds to

What enzymes are used to cut DNA molecules? How do they work?

The "language" of the genetic code of RNA uses an alphabet of

All of the following can lead to cancer except

Ultraviolet light can cause permanent changes in genes. These changes are called

Organisms carrying genes from another species are called

To determine whether gene transfer has been successful, one would add

tRNA molecules are composed of

What Is Life

Cells and the Chemistry of Life

How Cells Take in and Use Energy

The Cell Cycle

Patterns of Inheritance

DNA: The Thread of Life

Reproduction and Development

The Mechanisms of Evolution

Lifes Origins and Biodiversity

Single-Celled Life

Fungi and Plants: Decomposers and Producers

The Evolution and Diversity of Animals

Ecology of Populations and Communities

Ecosystems and the Biosphere

Body Function, Survival, and the Steady State

Circulation and Respiration

Defense Against Disease

Animal Nutrition and Digestion

Hormones: Messengers of Change

The Nervous System

The Body in Motion

Plant Architecture and Function

Plant Growth, Hormones, and Engineering

The Dynamic Plant

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