Question 1

Before a cell divides, it must ____ its genetic information.​

Accepted Answer

A)  ​duplicate 
B)  ​translate 
C)  ​isolate 
D)  ​protect 
E)  ​distribute 
A)  ​duplicate 
B)  ​translate 
C)  ​isolate 
D)  ​protect 
E)  ​distribute

Question 2

Which scientist(s) was/were the first to suggest that the proportion of adenine and guanine differs from one species to another?

Accepted Answer

A)  Watson and Crick 
B)  Wilkins 
C)  Hershey and Chase 
D)  Chargaff 
E)  Franklin 
A)  Watson and Crick 
B)  Wilkins 
C)  Hershey and Chase 
D)  Chargaff 
E)  Franklin

Question 3

Answer the following questions by matching each term with the most appropriate description.
-the shorthand for this term is "2n"

Accepted Answer

A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids 
A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids

Question 4

Matching
Answer the following questions by matching each term with the most appropriate description. Some choices may be used more than once.
-discovered that the sequence of DNA differs in different organisms

Accepted Answer

A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher 
A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher

Question 5

The majority of DNA in a cell that has undergone differentiation is _____.

Accepted Answer

A)  transcribed 
B)  translated 
C)  turned off 
D)  mutated 
E)  hydrolyzed 
A)  transcribed 
B)  translated 
C)  turned off 
D)  mutated 
E)  hydrolyzed

Question 6

Order the steps of somatic cell nuclear transfer.
-​Step 3

Accepted Answer

A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette. 
D) Embryo forms. 
A) A skin cell harvested from a donor animal is injected into a region between the cytoplasm and the plasma membrane. 
B) Electric current causes foreign cell to fuse with and empty its nucleus into the cytoplasm of the egg. 
C) DNA from egg is suctioned out using a micropipette. 
D) Embryo forms.

Question 7

Using the diagram, indicate the molecule that functions at each step in DNA replication  
-DNA primer

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 8

Answer the following questions by matching each term with the most appropriate description.
-two DNA molecules that comprise a chromosome after DNA replication

Accepted Answer

A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids 
A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids

Question 9

Answer the following questions by matching each term with the most appropriate description.
-number 44 in humans

Accepted Answer

A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids 
A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids

Question 10

The structure of a DNA molecule is analogous to a _____.​

Accepted Answer

A)  ​paper clip 
B)  ​ladder 
C)  ​fork 
D)  ​rope 
E)  ​coiled spring 
A)  ​paper clip 
B)  ​ladder 
C)  ​fork 
D)  ​rope 
E)  ​coiled spring

Question 11

A eukaryotic chromosome consists of _____.​

Accepted Answer

A)  ​DNA and lipids 
B)  ​RNA and proteins 
C)  ​DNA and proteins 
D)  ​DNA and carbohydrates 
E)  ​just DNA 
A)  ​DNA and lipids 
B)  ​RNA and proteins 
C)  ​DNA and proteins 
D)  ​DNA and carbohydrates 
E)  ​just DNA

Question 12

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?​

Accepted Answer

A)  ​ATP 
B)  ​the nucleotide itself 
C)  ​NADH 
D)  ​primers 
E)  ​DNA ligase 
A)  ​ATP 
B)  ​the nucleotide itself 
C)  ​NADH 
D)  ​primers 
E)  ​DNA ligase

Question 13

Which male organism contains two identical sex chromosomes?​

Accepted Answer

A)  ​turtles 
B)  ​birds 
C)  ​chimpanzees 
D)  ​dogs 
E)  ​lizards 
A)  ​turtles 
B)  ​birds 
C)  ​chimpanzees 
D)  ​dogs 
E)  ​lizards

Question 14

​Butterflies Butterflies are diploid organisms. In these animals, the sex of an individual is determined by Z and W chromosomes. Use this information to answer the following question.
​
Which chromosomes are carried by a normal female butterfly?​

Accepted Answer

A)  ​ZO 
B)  ​ZW 
C)  ​WW 
D)  ​WO 
E)  ​ZWW 
A)  ​ZO 
B)  ​ZW 
C)  ​WW 
D)  ​WO 
E)  ​ZWW

Question 15

Matching
Answer the following questions by matching each term with the most appropriate description. Some choices may be used more than once.
-discovered that the amount of adenine in a DNA molecule was equal to the amount of thymine

Accepted Answer

A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher 
A) Chargaff 
B) Franklin 
C) Watson and Crick 
D) Wilkins 
E) Hershey and Chase
F)Miescher

Question 16

Answer the following questions by matching each term with the most appropriate description.
-do not exist in all species

Accepted Answer

A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids 
A) autosome 
B) centromere 
C) chromosome 
D) chromosome number 
E) diploid
F)sex chromosomes
G)sister chromatids

Question 17

In the nucleotide sequence ACTGG, what does C stand for?​

Accepted Answer

A)  ​cysteine 
B)  ​cytotoxic 
C)  ​cytosine 
D)  ​chargaff 
E)  ​cytoplasm 
A)  ​cysteine 
B)  ​cytotoxic 
C)  ​cytosine 
D)  ​chargaff 
E)  ​cytoplasm

Question 18

In the Hershey-Chase experiments, the radioactive tracers 32P and 35S were used to track DNA and protein, respectively, because _____.

Accepted Answer

A)  bacterial DNA contains sulfur and viral DNA contains phosphorus 
B)  viral DNA contains sulfur and bacterial DNA contains phosphorus 
C)  only DNA contains phosphorus and only protein contains sulfur 
D)  DNA has more sulfur than protein and protein has more phosphorus than DNA 
E)  protein has more sulfur than DNA and DNA has more phosphorus than protein 
A)  bacterial DNA contains sulfur and viral DNA contains phosphorus 
B)  viral DNA contains sulfur and bacterial DNA contains phosphorus 
C)  only DNA contains phosphorus and only protein contains sulfur 
D)  DNA has more sulfur than protein and protein has more phosphorus than DNA 
E)  protein has more sulfur than DNA and DNA has more phosphorus than protein

Question 19

Which enzyme links nucleotides into a new stand of DNA?​

Accepted Answer

A)  ​DNA ligase 
B)  ​DNA mutase 
C)  ​DNA polymerase 
D)  ​DNA primer 
E)  ​DNA replicase 
A)  ​DNA ligase 
B)  ​DNA mutase 
C)  ​DNA polymerase 
D)  ​DNA primer 
E)  ​DNA replicase

Question 20

Hybridization of DNA is _____ and is driven entirely by _____.

Accepted Answer

A)  nonspontaneous; ATP 
B)  nonspontaneous; hydrogen bonding 
C)  nonspontaneous; glycolysis 
D)  spontaneous; ATP 
E)  spontaneous; hydrogen bonding 
A)  nonspontaneous; ATP 
B)  nonspontaneous; hydrogen bonding 
C)  nonspontaneous; glycolysis 
D)  spontaneous; ATP 
E)  spontaneous; hydrogen bonding

Exam 7: Dna Structure and Function

Before a cell divides, it must ____ its genetic information.​

Which scientist(s) was/were the first to suggest that the proportion of adenine and guanine differs from one species to another?

Answer the following questions by matching each term with the most appropriate description. -the shorthand for this term is "2n"

Matching Answer the following questions by matching each term with the most appropriate description. Some choices may be used more than once. -discovered that the sequence of DNA differs in different organisms

The majority of DNA in a cell that has undergone differentiation is _____.

Order the steps of somatic cell nuclear transfer. -​Step 3

Using the diagram, indicate the molecule that functions at each step in DNA replication -DNA primer

Answer the following questions by matching each term with the most appropriate description. -two DNA molecules that comprise a chromosome after DNA replication

Answer the following questions by matching each term with the most appropriate description. -number 44 in humans

The structure of a DNA molecule is analogous to a _____.​

A eukaryotic chromosome consists of _____.​

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?​

Which male organism contains two identical sex chromosomes?​

​Butterflies Butterflies are diploid organisms. In these animals, the sex of an individual is determined by Z and W chromosomes. Use this information to answer the following question. ​ Which chromosomes are carried by a normal female butterfly?​

Matching Answer the following questions by matching each term with the most appropriate description. Some choices may be used more than once. -discovered that the amount of adenine in a DNA molecule was equal to the amount of thymine

Answer the following questions by matching each term with the most appropriate description. -do not exist in all species

In the nucleotide sequence ACTGG, what does C stand for?​

In the Hershey-Chase experiments, the radioactive tracers 32P and 35S were used to track DNA and protein, respectively, because _____.

Which enzyme links nucleotides into a new stand of DNA?​

Hybridization of DNA is _____ and is driven entirely by _____.

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

Filters

Before a cell divides, it must ____ its genetic information.

Order the steps of somatic cell nuclear transfer. -Step 3

The structure of a DNA molecule is analogous to a _____.

A eukaryotic chromosome consists of _____.

Which molecule provides the energy for the assembly of new nucleotides into a DNA strand during DNA replication?

Which male organism contains two identical sex chromosomes?

Butterflies Butterflies are diploid organisms. In these animals, the sex of an individual is determined by Z and W chromosomes. Use this information to answer the following question. Which chromosomes are carried by a normal female butterfly?

In the nucleotide sequence ACTGG, what does C stand for?

In the Hershey-Chase experiments, the radioactive tracers ³²P and ³⁵S were used to track DNA and protein, respectively, because _____.

Which enzyme links nucleotides into a new stand of DNA?

Hybridization of DNA is _ and is driven entirely by _.