Biology 100 Final UPDATED ACTUAL
Exam Questions and CORRECT Answers
The formation of a peptide bond involves
A) release of nitrogen
B) addition of nitrogen
C) dehydration synthesis
E) an increase in energy - CORRECT ANSWER -C
The formation of a peptide bond requires a reaction between
A) carbonyl and amide groups
B) carboxyl and amide groups
C) carbohydryl and amide groups
D) nitryl and amino groups
E) nitro and amino groups - CORRECT ANSWER -B
All of the following are examples of structural proteins EXCEPT
A) the silk fibers of spider webs
B) the connective tissue of animals
C) hair
D) feathers
E) hemoglobin - CORRECT ANSWER -E
Glucose is a building block for most
A) carbohydrates
B) protein
C) fat
D) water
,E) acid - CORRECT ANSWER -A
All of the following are carbohydrates EXCEPT
A) fructose
B) lactose
C) starch
D) chitin
E) polypeptide - CORRECT ANSWER -E
An example of a monosaccharide is
A) galactose
B) glycogen
C) cellulose
D) starch
E) saccharin - CORRECT ANSWER -A
which of the following is a polymer
A) simple sugar
B) carbon molecules
C) nucleotides
D) glucose
E) glycogen - CORRECT ANSWER -E
Lipid molecule hydrolysis produces
A) glycerol and fatty acids
B) glycerol and water
C) water and amino acids
D) glucose and fatty acids
,E) water and fatty acids - CORRECT ANSWER -A
When an entire enzyme population is saturated, how would the cell increase productivity?
A) absorb more heat to denature the active site
B) add more enzyme
C) increase the substrate concentration
D) decrease the substrate concentration
E) add more active sites to the enzyme - CORRECT ANSWER -B
Which of the following statements regarding enzymes is CORRECT?
A) they change the free energy of the reaction
B) they usually remain unchanged in the reaction
C) they increase the activation energy
D) they are nonspecific in their ability to act on substrate molecules
E) they are not affected by inhibitors - CORRECT ANSWER -B
The single structural unit common to all lipids is
A) fat
B) glycogen
C) cholesterol
D) glycerol
E) carbon - CORRECT ANSWER -A
A transport protein and an enzyme are similar in all of the following ways EXCEPT
A) specificity for a substrate
B) saturation
C) competitive inhibition
D) ability to catalyze reactions
, E) binding sites - CORRECT ANSWER -D
All of the following statements are true about enzymes, EXCEPT
A) they are protein catalysts
B) they lower the amount of activation energy needed for a reaction
C) they bind with the substrate
D) they resume their original conformation after forming a complex
E) they compete with the substrate - CORRECT ANSWER -E
According to the hierarchical organizations of life, organelles are made up of
1) organs
2) macromolecules
3) populations
4) tissues
5) organ systems - CORRECT ANSWER -2
Maintaining relatively constant internal conditions is called
1) sensitivity
2) growth
3) immutable
4) endemic
5) homeostasis - CORRECT ANSWER -5
To be of use in science, a hypothesis must be
1) testable
2) able to yield predictions
3) proven true beyond a shadow of a doubt
4) a and b
Exam Questions and CORRECT Answers
The formation of a peptide bond involves
A) release of nitrogen
B) addition of nitrogen
C) dehydration synthesis
E) an increase in energy - CORRECT ANSWER -C
The formation of a peptide bond requires a reaction between
A) carbonyl and amide groups
B) carboxyl and amide groups
C) carbohydryl and amide groups
D) nitryl and amino groups
E) nitro and amino groups - CORRECT ANSWER -B
All of the following are examples of structural proteins EXCEPT
A) the silk fibers of spider webs
B) the connective tissue of animals
C) hair
D) feathers
E) hemoglobin - CORRECT ANSWER -E
Glucose is a building block for most
A) carbohydrates
B) protein
C) fat
D) water
,E) acid - CORRECT ANSWER -A
All of the following are carbohydrates EXCEPT
A) fructose
B) lactose
C) starch
D) chitin
E) polypeptide - CORRECT ANSWER -E
An example of a monosaccharide is
A) galactose
B) glycogen
C) cellulose
D) starch
E) saccharin - CORRECT ANSWER -A
which of the following is a polymer
A) simple sugar
B) carbon molecules
C) nucleotides
D) glucose
E) glycogen - CORRECT ANSWER -E
Lipid molecule hydrolysis produces
A) glycerol and fatty acids
B) glycerol and water
C) water and amino acids
D) glucose and fatty acids
,E) water and fatty acids - CORRECT ANSWER -A
When an entire enzyme population is saturated, how would the cell increase productivity?
A) absorb more heat to denature the active site
B) add more enzyme
C) increase the substrate concentration
D) decrease the substrate concentration
E) add more active sites to the enzyme - CORRECT ANSWER -B
Which of the following statements regarding enzymes is CORRECT?
A) they change the free energy of the reaction
B) they usually remain unchanged in the reaction
C) they increase the activation energy
D) they are nonspecific in their ability to act on substrate molecules
E) they are not affected by inhibitors - CORRECT ANSWER -B
The single structural unit common to all lipids is
A) fat
B) glycogen
C) cholesterol
D) glycerol
E) carbon - CORRECT ANSWER -A
A transport protein and an enzyme are similar in all of the following ways EXCEPT
A) specificity for a substrate
B) saturation
C) competitive inhibition
D) ability to catalyze reactions
, E) binding sites - CORRECT ANSWER -D
All of the following statements are true about enzymes, EXCEPT
A) they are protein catalysts
B) they lower the amount of activation energy needed for a reaction
C) they bind with the substrate
D) they resume their original conformation after forming a complex
E) they compete with the substrate - CORRECT ANSWER -E
According to the hierarchical organizations of life, organelles are made up of
1) organs
2) macromolecules
3) populations
4) tissues
5) organ systems - CORRECT ANSWER -2
Maintaining relatively constant internal conditions is called
1) sensitivity
2) growth
3) immutable
4) endemic
5) homeostasis - CORRECT ANSWER -5
To be of use in science, a hypothesis must be
1) testable
2) able to yield predictions
3) proven true beyond a shadow of a doubt
4) a and b
