Question 1

Match each definition to the correct term.​
-​DNA ligase

Accepted Answer

A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand 
A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand

Question 2

​The two strands of a DNA molecule are ____ to each other and run in ____.

Accepted Answer

A) ​parallel; opposite directions 
B) ​parallel; the same direction 
C) ​perpendicular; opposite directions 
D) ​perpendicular; the same direction 
E) ​parallel; either the same or opposite directions 
A) ​parallel; opposite directions 
B) ​parallel; the same direction 
C) ​perpendicular; opposite directions 
D) ​perpendicular; the same direction 
E) ​parallel; either the same or opposite directions

Question 3

Rosalind Franklin's research contribution was essential in ____.

Accepted Answer

A) discovering the existence of DNA 
B) establishing the principles of heredity 
C) establishing the structural features of DNA 
D) determining the nucleotide sequence of genes 
E) determining the tertiary structure of proteins 
A) discovering the existence of DNA 
B) establishing the principles of heredity 
C) establishing the structural features of DNA 
D) determining the nucleotide sequence of genes 
E) determining the tertiary structure of proteins

Question 4

A karyotype is an image of ____ from a single cell.

Accepted Answer

A) base sequences 
B) chromosomes 
C) proteins 
D) clones 
E) nucleic 
A) base sequences 
B) chromosomes 
C) proteins 
D) clones 
E) nucleic

Question 5

A ​DNA molecule has a ____ backbone held together by ____ bonds.

Accepted Answer

A) ​sugar-phosphate; hydrogen 
B) ​nitrogenous base; covalent 
C) ​sugar-phosphate; covalent 
D) ​nitrogenous base; hydrogen 
E) ​phosphorous base; covalent 
A) ​sugar-phosphate; hydrogen 
B) ​nitrogenous base; covalent 
C) ​sugar-phosphate; covalent 
D) ​nitrogenous base; hydrogen 
E) ​phosphorous base; covalent

Question 6

An example of a somatic cell is a(n) ____.

Accepted Answer

A) nucleus 
B) kidney cell 
C) sperm 
D) egg 
E) centromere 
A) nucleus 
B) kidney cell 
C) sperm 
D) egg 
E) centromere

Question 7

How can a replication error become a permanent mutation?

Accepted Answer

When proofreading and repair mechanisms

Question 8

​Which bases are purines?

Accepted Answer

A) ​cytosine and thymine 
B) ​guanine and thymine 
C) ​guanine and cytosine 
D) ​adenine and guanine 
E) ​adenine and thymine 
A) ​cytosine and thymine 
B) ​guanine and thymine 
C) ​guanine and cytosine 
D) ​adenine and guanine 
E) ​adenine and thymine

Question 9

Match each definition to the correct term.​
-​diploid

Accepted Answer

A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand 
A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand

Question 10

What are the base-pairing rules for DNA?

Accepted Answer

A) A-G, T-C 
B) A-C, T-G 
C) A-U, C-G 
D) A-T, G-C 
E) A-T, G-U 
A) A-G, T-C 
B) A-C, T-G 
C) A-U, C-G 
D) A-T, G-C 
E) A-T, G-U

Question 11

​During DNA replication, ____ serve(s) as a template for the newly synthesized DNA.

Accepted Answer

A) ​primers 
B) ​one parent strand 
C) ​both parent strands 
D) ​DNA polymerase 
E) ​DNA ligase 
A) ​primers 
B) ​one parent strand 
C) ​both parent strands 
D) ​DNA polymerase 
E) ​DNA ligase

Question 12

Match the nucleotide to its correct description.
-If one strand of a DNA molecule has a purine at a given position, this will be its complement on the other strand.

Accepted Answer

A) guanine 
B) cytosine 
C) pyrimidine 
D) thymine 
A) guanine 
B) cytosine 
C) pyrimidine 
D) thymine

Question 13

Match the scientist(s) to their scientific contribution.
-Johannes Miescher

Accepted Answer

A) ​first to discover and isolate DNA 
B) in 1944, reported that DNA was the hereditary material 
C) the first to demonstrate that DNA, not protein, was the substance transmitted through generations of cells 
A) ​first to discover and isolate DNA 
B) in 1944, reported that DNA was the hereditary material 
C) the first to demonstrate that DNA, not protein, was the substance transmitted through generations of cells

Question 14

Match the scientist(s) to their scientific contribution.
-Hershey and Chase

Accepted Answer

A) ​first to discover and isolate DNA 
B) in 1944, reported that DNA was the hereditary material 
C) the first to demonstrate that DNA, not protein, was the substance transmitted through generations of cells 
A) ​first to discover and isolate DNA 
B) in 1944, reported that DNA was the hereditary material 
C) the first to demonstrate that DNA, not protein, was the substance transmitted through generations of cells

Question 15

Match the term with the most appropriate description.
-a protein that organizes DNA

Accepted Answer

A) nucleosome 
B) sister chromatids 
C) centromere 
D) histone 
E) chromosome 
A) nucleosome 
B) sister chromatids 
C) centromere 
D) histone 
E) chromosome

Question 16

Show the complementary strand of DNA that forms on this template DNA fragment during replication:
​
5' GGTTTCTTCAAGAGA3'

Accepted Answer

3' CCAAAGA

Question 17

​During DNA synthesis, how are the strands of the parent molecule separated?

Accepted Answer

A) ​Hydrogen bonds between bases are broken. 
B) ​Sugar-phosphate linkages are broken. 
C) ​Polymerases stop functioning. 
D) ​Bases repel each other. 
E) ​Water hydrolyzes the bases into their subunits. 
A) ​Hydrogen bonds between bases are broken. 
B) ​Sugar-phosphate linkages are broken. 
C) ​Polymerases stop functioning. 
D) ​Bases repel each other. 
E) ​Water hydrolyzes the bases into their subunits.

Question 18

Match each definition to the correct term.​
-​nucleotide

Accepted Answer

A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand 
A) ​composed of nitrogen-containing base, sugar, and phosphate group(s) 
B) ​a genetic copy 
C) ​chromosome that does not determine sex 
D) ​DNA wrapped around histones 
E) ​fills in gaps between nucleotides; seals breaks in a DNA strand
F)​having two of each type of chromosome
G)​adds nucleotides to a growing DNA strand

Question 19

DNA ligase ____.

Accepted Answer

A) joins DNA fragments together 
B) replaces mispaired bases 
C) initiates DNA replication 
D) forms new DNA polymers 
E) breaks hydrogen bonds 
A) joins DNA fragments together 
B) replaces mispaired bases 
C) initiates DNA replication 
D) forms new DNA polymers 
E) breaks hydrogen bonds

Question 20

What did Rosalind Franklin contribute to the discovery of the structure of DNA?

Accepted Answer

Franklin was an expert x-ray crystallogr

Exam 8: DNA Structure and Function

Match each definition to the correct term.​ -​DNA ligase

​The two strands of a DNA molecule are ____ to each other and run in ____.

Rosalind Franklin's research contribution was essential in ____.

A karyotype is an image of ____ from a single cell.

A ​DNA molecule has a ____ backbone held together by ____ bonds.

An example of a somatic cell is a(n) ____.

How can a replication error become a permanent mutation?

​Which bases are purines?

Match each definition to the correct term.​ -​diploid

What are the base-pairing rules for DNA?

​During DNA replication, ____ serve(s) as a template for the newly synthesized DNA.

Match the nucleotide to its correct description. -If one strand of a DNA molecule has a purine at a given position, this will be its complement on the other strand.

Match the scientist(s) to their scientific contribution. -Johannes Miescher

Match the scientist(s) to their scientific contribution. -Hershey and Chase

Match the term with the most appropriate description. -a protein that organizes DNA

Show the complementary strand of DNA that forms on this template DNA fragment during replication: ​ 5' GGTTTCTTCAAGAGA3'

​During DNA synthesis, how are the strands of the parent molecule separated?

Match each definition to the correct term.​ -​nucleotide

DNA ligase ____.

What did Rosalind Franklin contribute to the discovery of the structure of DNA?

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

Match each definition to the correct term. -DNA ligase

The two strands of a DNA molecule are to each other and run in .

A DNA molecule has a backbone held together by bonds.

Which bases are purines?

Match each definition to the correct term. -diploid

During DNA replication, ____ serve(s) as a template for the newly synthesized DNA.

Show the complementary strand of DNA that forms on this template DNA fragment during replication: 5' GGTTTCTTCAAGAGA3'

During DNA synthesis, how are the strands of the parent molecule separated?

Match each definition to the correct term. -nucleotide