MURPHY 301 Exam Introduction to Biochemistry
Exam | Updated Questions and Correct Answers |
Graded A+ | Verified Answers | Just Released
During exocytosis membrane-bound vesicles migrate from the Golgi apparatus to
the __________.
A) Lysosome
B) Smooth endoplasmic reticulum
C) Cell wall
D) Plasma membrane
E) More than one answer is correct ---------CORRECT ANSWER-----------------Plasma
Membrane
Notable features of eukaryotes include all of the following except ________.
A) Rapid cell division
B) Larger size
C) A complex internal structure
D) An endomembrane system
E) Organelles ---------CORRECT ANSWER-----------------Rapid cell division
,Gram-negative bacteria lack _________.
A) Cell walls
B) Peptidoglycans in the cell wall
C) An outer coat of lipid bound proteins
D) DNA
E) Carbohydrate containing polymers in the cell wall ---------CORRECT ANSWER-----
------------Carbohydrate containing polymers in the cell wall
The plasma membrane _________.
A) Provides support
B) Is present only in eukaryotes
C) Controls the flow of substances in and out of the cell
D) Is present only in prokaryotes
E) Both A and C are correct ---------CORRECT ANSWER-----------------Both A and C
are correct
Structural features that make phospholipids suited for their biological role are:
A) A hydrophilic head group
B) Branched carbon chains
C) A hydrophobic group
,D) A and C are correct
E) None of the above are true ---------CORRECT ANSWER-----------------Both A and C
are correct
The grainy appearance of prokaryotic cytoplasm is due in part to ________.
A) A large number of ribosomes
B) Plasmids
C) Nucleolus
D) DNA
E) RNA ---------CORRECT ANSWER-----------------A large number of ribosomes
Which of the following types of molecules is not hydrophilic
A) Sodium chloride
B) Glucose
C) Amino acids
D) Fats
E) A and B ---------CORRECT ANSWER-----------------Fats
The basic structure of biological membranes is provided by what class of
compounds?
, A) Proteins
B) Lipids
C) Carbohydrates
D) Steroids
E) Peptidoglycans ---------CORRECT ANSWER-----------------Lipids
Which of the following is not true of the nucleus?
A) It is found in both eukaryotes and prokaryotes
B) It contains the cell's "genetic blueprint"
C) It exerts a profound influence over all cellular metabolic functions
D) It contains chromatin fibers
E) It is bounded by membrane ---------CORRECT ANSWER-----------------It is found in
both eukaryotes and prokaryotes
Which of the following statements is not true of the endoplasmic reticulum?
A) It often constitutes more than half of the cell's total membrane
B) It exists in two forms: rough and smooth
C) Rough ER is responsible for protein synthesis
D) Smooth ER is responsible for lipid synthesis
Exam | Updated Questions and Correct Answers |
Graded A+ | Verified Answers | Just Released
During exocytosis membrane-bound vesicles migrate from the Golgi apparatus to
the __________.
A) Lysosome
B) Smooth endoplasmic reticulum
C) Cell wall
D) Plasma membrane
E) More than one answer is correct ---------CORRECT ANSWER-----------------Plasma
Membrane
Notable features of eukaryotes include all of the following except ________.
A) Rapid cell division
B) Larger size
C) A complex internal structure
D) An endomembrane system
E) Organelles ---------CORRECT ANSWER-----------------Rapid cell division
,Gram-negative bacteria lack _________.
A) Cell walls
B) Peptidoglycans in the cell wall
C) An outer coat of lipid bound proteins
D) DNA
E) Carbohydrate containing polymers in the cell wall ---------CORRECT ANSWER-----
------------Carbohydrate containing polymers in the cell wall
The plasma membrane _________.
A) Provides support
B) Is present only in eukaryotes
C) Controls the flow of substances in and out of the cell
D) Is present only in prokaryotes
E) Both A and C are correct ---------CORRECT ANSWER-----------------Both A and C
are correct
Structural features that make phospholipids suited for their biological role are:
A) A hydrophilic head group
B) Branched carbon chains
C) A hydrophobic group
,D) A and C are correct
E) None of the above are true ---------CORRECT ANSWER-----------------Both A and C
are correct
The grainy appearance of prokaryotic cytoplasm is due in part to ________.
A) A large number of ribosomes
B) Plasmids
C) Nucleolus
D) DNA
E) RNA ---------CORRECT ANSWER-----------------A large number of ribosomes
Which of the following types of molecules is not hydrophilic
A) Sodium chloride
B) Glucose
C) Amino acids
D) Fats
E) A and B ---------CORRECT ANSWER-----------------Fats
The basic structure of biological membranes is provided by what class of
compounds?
, A) Proteins
B) Lipids
C) Carbohydrates
D) Steroids
E) Peptidoglycans ---------CORRECT ANSWER-----------------Lipids
Which of the following is not true of the nucleus?
A) It is found in both eukaryotes and prokaryotes
B) It contains the cell's "genetic blueprint"
C) It exerts a profound influence over all cellular metabolic functions
D) It contains chromatin fibers
E) It is bounded by membrane ---------CORRECT ANSWER-----------------It is found in
both eukaryotes and prokaryotes
Which of the following statements is not true of the endoplasmic reticulum?
A) It often constitutes more than half of the cell's total membrane
B) It exists in two forms: rough and smooth
C) Rough ER is responsible for protein synthesis
D) Smooth ER is responsible for lipid synthesis
