Question 1

A mutation is

Accepted Answer

A)  a change in a DNA sequence in less than 1% of a population that affects anatomy and/or physiology.
B)  a common genetic variant.
C)  always beneficial to health.
D)  always harmful to health.E) B) and D)
F) A) and C)

Question 2

Each individual has her or his own genetic code.

Accepted Answer

A) True 
 B)False

Question 3

A sequence of DNA is CTGATGTCTA.Its complements is ____________.

Accepted Answer

The answer of A sequence of DNA is CTGATGTCTA.Its complements...

Question 4

The part of the tRNA that binds mRNA is the anticodon.

Accepted Answer

A) True 
 B)False

Question 5

Dehydration synthesis reactions _____,whereas hydrolysis reactions _____.

Accepted Answer

A)  lose H2O to break bonds;use H2O to form bonds
B)  break large molecules into smaller ones;build large molecules from smaller ones
C)  use H2O to form bonds;lose H2O to break bonds
D)  lose H2O to form bonds;use H2O to break bondsE) B) and C)
F) A) and B)

Question 6

Which choice lists structures in order of increasing size?

Accepted Answer

A)  nitrogenous base - nucleotide - gene - chromosome - genome
B)  nitrogenous base - nucleotide - gene - genome - chromosome
C)  genome - nucleus - chromosome - nucleotide - gene
D)  cell - organelle - tissue - organE) C) and D)
F) B) and C)

Question 7

An example of an anabolic reaction is

Accepted Answer

A)  many monosaccharides bonding,forming glycogen.
B)  a dipeptide breaking down into two amino acids.
C)  glycerol reacting with 3 fatty acid molecules to yield water and proteins.
D)  glycogen breaking down into many monosaccharides.E) B) and D)
F) A) and B)

Question 8

Genetic information is contained in protein molecules and is passed from one parent to another.

Accepted Answer

A) True 
 B)False

Question 9

DNA profiling

Accepted Answer

A)  sequences the entire genomes of criminals.
B)  sequences genes that cause disease.
C)  compares the most variable parts of the genome for a variety of applications.
D)  analyzes 64 highly variable regions of the human genome.E) A) and B)
F) B) and C)

Question 10

Metabolism refers to all of the chemical reactions in a cell.

Accepted Answer

A) True 
 B)False

Question 11

Which DNA sequence can encode the amino acid sequence ile-asp-ser-cys-his-tyr?

Accepted Answer

A)  TAGCTGTCAACAGTGATA
B)  TAACTGTCGACGGTGATG
C)  TAACTAAGTACGGTGATG
D)  All of the answer choices are correctE) A) and D)
F) A) and C)

Question 12

What is the function of ATP molecules in living cells?

Accepted Answer

A)  They form a genetic material.
B)  They capture energy from the oxidation of fuels in their high-energy phosphate bonds,and the energy is used in various cell processes.
C)  They act as coenzymes so that fats can be synthesized.
D)  They are an integral part of the cell membrane,important in transporting water molecules.E) None of the above
F) C) and D)

Question 13

Anaerobic reactions of cellular respiration

Accepted Answer

A)  break down glucose into 2 pyruvic acid molecules.
B)  occur in the absence of oxygen.
C)  transfer energy to ATP molecules.
D)  do all of the above.E) A) and D)
F) All of the above

Question 14

If you eat too many carbohydrates,they can be stored as fat.

Accepted Answer

A) True 
 B)False

Question 15

If one strand of DNA has the sequence TCAGGCTATTCCCG,then the complementary sequence of the other strand is

Accepted Answer

A)  AGUCCGAUAAGGGC.
B)  AGTCCGATAAGGGC.
C)  TCAGGCTATTCCCG.
D)  UCAGGCUAUUCCCG.E) B) and D)
F) C) and D)

Question 16

An enzyme is

Accepted Answer

A)  a molecule,usually a protein,that speeds the rate of a biochemical reaction by lowering the activation energy.
B)  the genetic material.
C)  a protein that promotes metabolic reactions by slowing reactions that are too fast.
D)  usually a vitamin.E) None of the above
F) All of the above

Question 17

The aerobic reactions of cellular respiration occur in the mitochondria.

Accepted Answer

A) True 
 B)False

Question 18

The metabolome includes

Accepted Answer

A)  all of the genes that encode protein in the genome.
B)  the DNA that does not encode protein in the genome.
C)  all of the small molecules that are part of metabolism.
D)  all of the enzymes that take part in aerobic respiration.E) C) and D)
F) B) and D)

Question 19

Dehydration synthesis is catabolic and hydrolysis is anabolic.

Accepted Answer

A) True 
 B)False

Question 20

Catabolism builds up molecules and anabolism breaks down molecules.

Accepted Answer

A) True 
 B)False

Exam 4: Cellular Metabolism

An example of an anabolic reaction is

Correct AnswerverifiedShow Answer

Dehydration synthesis is catabolic and hydrolysis is anabolic.

Correct AnswerverifiedShow Answer

Which DNA sequence can encode the amino acid sequence ile-asp-ser-cys-his-tyr?

Correct AnswerverifiedShow Answer

Anaerobic reactions of cellular respiration

Correct AnswerverifiedShow Answer

DNA profiling

Correct AnswerverifiedShow Answer

The part of the tRNA that binds mRNA is the anticodon.

Correct AnswerverifiedShow Answer

An enzyme is

Correct AnswerverifiedShow Answer

Genetic information is contained in protein molecules and is passed from one parent to another.

Correct AnswerverifiedShow Answer

If one strand of DNA has the sequence TCAGGCTATTCCCG,then the complementary sequence of the other strand is

Correct AnswerverifiedShow Answer

The aerobic reactions of cellular respiration occur in the mitochondria.

Correct AnswerverifiedShow Answer

The metabolome includes

Correct AnswerverifiedShow Answer

Which choice lists structures in order of increasing size?

Correct AnswerverifiedShow Answer

Dehydration synthesis reactions _____,whereas hydrolysis reactions _____.

Correct AnswerverifiedShow Answer

If you eat too many carbohydrates,they can be stored as fat.

Correct AnswerverifiedShow Answer

Each individual has her or his own genetic code.

Correct AnswerverifiedShow Answer

What is the function of ATP molecules in living cells?

Correct AnswerverifiedShow Answer

Catabolism builds up molecules and anabolism breaks down molecules.

Correct AnswerverifiedShow Answer

A mutation is

Correct AnswerverifiedShow Answer

Metabolism refers to all of the chemical reactions in a cell.

Correct AnswerverifiedShow Answer

A sequence of DNA is CTGATGTCTA.Its complements is ____________.

Correct AnswerverifiedShow Answer

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Dehydration synthesis reactions _,whereas hydrolysis reactions _.

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