Question 1

Which of the following statements is NOT true?

Accepted Answer

A)  Cellular division is one example of cloning. 
B)  Cloning may involve nuclear transplantation. 
C)  In whole animal cloning the cells need to revert to the pluripotent state 
D)  All of these are true. 
E)  None of these are true.

Question 2

Which of the following is NOT a component of the secretory pathway in cells?

Accepted Answer

A)  rough endoplasmic reticulum 
B)  smooth endoplasmic reticulum 
C)  Golgi complex 
D)  granules 
E)  peroxisome

Question 3

Match each sentence with the most appropriate choice:
-Rough endoplasmic reticulum

Accepted Answer

A)  Monosaccharide 
B)  Polysaccharide 
C)  Protein synthesis 
D)  Glycosylation 
E)  Protein packaging
F) Protein sorting
G) RNA-protein complex
H) Protein degradation
I) Programmed cell death
J) Endosymbiotic

Question 4

The presence of abundant smooth endoplasmic reticulum in vertebrate liver cells is related to its function in

Accepted Answer

A)  steroid hormone production. 
B)  enzyme secretion. 
C)  detoxification of harmful substances. 
D)  protein synthesis. 
E)  calcium storage.

Question 5

The intermediate filaments found in the cytoplasm of cells help to resist mechanical
 stress.

Accepted Answer

A) True 
 B)False

Question 6

The major product generated in the peroxisome is

Accepted Answer

A)  hydrogen peroxide. 
B)  ethanol. 
C)  perchloric acid. 
D)  amino acids.

Question 7

Match each sentence with the most appropriate choice:
-Alternative splicing

Accepted Answer

A)  Monosaccharide 
B)  Polysaccharide 
C)  Protein synthesis 
D)  Glycosylation 
E)  Protein packaging
F) Protein sorting
G) RNA-protein complex
H) Protein degradation
I) Programmed cell death
J) Endosymbiotic

Question 8

Catalase is an enzyme used to

Accepted Answer

A)  break beef down into its component amino acids. 
B)  break prions down into their component amino acids. 
C)  break hydrogen peroxide down to form water and oxygen. 
D)  break carbonic acid down to form water and carbon dioxide. 
E)  break down a variety of metabolites.

Question 9

Which of the following is a protein?

Accepted Answer

A)  creatine 
B)  muscle 
C)  insulin 
D)  creatine phosphate

Question 10

Your muscle cells are able to express a different complement of proteins from your brain cells because

Accepted Answer

A)  they contain different genes. 
B)  muscles and brains are the vestiges of different symbiotic organisms present in our ancestors. 
C)  you inherit the genes for your muscles from your father and the genes for your brain from your mother. 
D)  the expression of muscle-specific genes is regulated by transcription factors not present in brain cells and vice versa.

Question 11

Match each sentence with the most appropriate choice:
-Apoptosis

Accepted Answer

A)  Monosaccharide 
B)  Polysaccharide 
C)  Protein synthesis 
D)  Glycosylation 
E)  Protein packaging
F) Protein sorting
G) RNA-protein complex
H) Protein degradation
I) Programmed cell death
J) Endosymbiotic

Question 12

Would you expect the number of peroxisomes to be positively or negatively correlated with the number of mitochondria? Justify your answer in terms of the function of each or in the context of overall cellular functions.

Accepted Answer

The answer of Would you expect the number of peroxisomes...

Question 13

Match each sentence with the most appropriate choice:
-Smooth endoplasmic reticulum

Accepted Answer

A)  Monosaccharide 
B)  Polysaccharide 
C)  Protein synthesis 
D)  Glycosylation 
E)  Protein packaging
F) Protein sorting
G) RNA-protein complex
H) Protein degradation
I) Programmed cell death
J) Endosymbiotic

Question 14

Which of the following is a potential substrate a cell can use to produce ATP?

Accepted Answer

A)  its own intracellular nutrient stores 
B)  nutrients stored in other, specialized storage cells 
C)  recently ingested (and digested) food 
D)  all of these 
E)  none of these

Question 15

Prokaryotes are different from eukaryotes in that the former lack

Accepted Answer

A)  cell walls. 
B)  nuclei. 
C)  DNA. 
D)  membrane transport proteins. 
E)  none of these.

Question 16

Match each sentence with the most appropriate choice:
-Proteosome

Accepted Answer

A)  Monosaccharide 
B)  Polysaccharide 
C)  Protein synthesis 
D)  Glycosylation 
E)  Protein packaging
F) Protein sorting
G) RNA-protein complex
H) Protein degradation
I) Programmed cell death
J) Endosymbiotic

Question 17

Lysosomes arise from the endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 18

Gene chips

Accepted Answer

A)  are individual segments of DNA. 
B)  are arrays of genomic DNA adhered to a substrate. 
C)  bind cDNA. 
D)  are bound to microtiter plates prior to analysis. 
E)  Two answers are correct.

Question 19

Protein function and activity can be modified by

Accepted Answer

A)  allosteric regulators. 
B)  changes in electric fields. 
C)  phosphorylation. 
D)  physical deformation. 
E)  all of these.

Question 20

In animal cells, the electron transport chain used in energy conversion is located in the

Accepted Answer

A)  plasma membrane. 
B)  cytoplasm. 
C)  outer mitochondrial membrane. 
D)  inner mitochondrial membrane. 
E)  mitochondrial matrix.

Exam 2: Cellular and Molecular Physiology

Which of the following statements is NOT true?

Which of the following is NOT a component of the secretory pathway in cells?

Match each sentence with the most appropriate choice: -Rough endoplasmic reticulum

The presence of abundant smooth endoplasmic reticulum in vertebrate liver cells is related to its function in

The intermediate filaments found in the cytoplasm of cells help to resist mechanical stress.

The major product generated in the peroxisome is

Match each sentence with the most appropriate choice: -Alternative splicing

Catalase is an enzyme used to

Which of the following is a protein?

Your muscle cells are able to express a different complement of proteins from your brain cells because

Match each sentence with the most appropriate choice: -Apoptosis

Would you expect the number of peroxisomes to be positively or negatively correlated with the number of mitochondria? Justify your answer in terms of the function of each or in the context of overall cellular functions.

Match each sentence with the most appropriate choice: -Smooth endoplasmic reticulum

Which of the following is a potential substrate a cell can use to produce ATP?

Prokaryotes are different from eukaryotes in that the former lack

Match each sentence with the most appropriate choice: -Proteosome

Lysosomes arise from the endoplasmic reticulum.

Gene chips

Protein function and activity can be modified by

In animal cells, the electron transport chain used in energy conversion is located in the