Question 1

During this phase of cell division,the chromatin fibers condense and shorten into chromosomes that are visible under the microscope.

Accepted Answer

A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase 
A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase

Question 2

A cell lacking ribosomes will be unable to make the following compounds

Accepted Answer

A) lipids 
B) nucleotides 
C) proteins 
D) carbohydrates 
E) phospholipids 
A) lipids 
B) nucleotides 
C) proteins 
D) carbohydrates 
E) phospholipids

Question 3

If the solute concentration is greater inside of the cell than outside the cell,water will move by osmosis

Accepted Answer

A) into the cell. 
B) out of the cell. 
C) into and out of the cell at the same rate resulting in no net water movement. 
D) All of these answer choices are correct. 
E) None of these answers are correct. 
A) into the cell. 
B) out of the cell. 
C) into and out of the cell at the same rate resulting in no net water movement. 
D) All of these answer choices are correct. 
E) None of these answers are correct.

Question 4

The following is a particular sequence of codon on mRNA: ACU.What is the corresponding anti-codon for the tRNA?

Accepted Answer

A) UGA 
B) UCA 
C) TGA 
D) TCA 
E) AUC 
A) UGA 
B) UCA 
C) TGA 
D) TCA 
E) AUC

Question 5

Describe the difference between the cytoplasm and the cytosol.

Accepted Answer

The answer of Describe the difference between the cytoplasm and...

Question 6

In the diagram,which organelle is responsible for autophagy and autolysis?

Accepted Answer

A) C 
B) B 
C) F 
D) J 
E) D 
A) C 
B) B 
C) F 
D) J 
E) D

Question 7

The major function of mitochondria is to

Accepted Answer

A) move the cell. 
B) generate ATP. 
C) produce proteins. 
D) oxidize organelles. 
E) synthesize glycolipids. 
A) move the cell. 
B) generate ATP. 
C) produce proteins. 
D) oxidize organelles. 
E) synthesize glycolipids.

Question 8

This cellular organelle is comprised of a pair of centrioles and the surrounding pericentriolar material.

Accepted Answer

A) cytoskeleton 
B) cilia 
C) centrosome 
D) flagella 
E) peroxisomes 
A) cytoskeleton 
B) cilia 
C) centrosome 
D) flagella 
E) peroxisomes

Question 9

What structural component of the membrane is labeled (B)in the diagram?

Accepted Answer

A) glycoprotein 
B) cholesterol 
C) glycolipid 
D) channel protein 
E) phospholipid 
A) glycoprotein 
B) cholesterol 
C) glycolipid 
D) channel protein 
E) phospholipid

Question 10

During this phase of cell division,organelles duplicate and centrosome replication begins.

Accepted Answer

A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase 
A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase

Question 11

A gene for a certain protein contains 300 nucleotides.How many amino acids will ultimately make up the protein molecule?

Accepted Answer

A) 900 
B) 1200 
C) 300 
D) 100 
E) Not enough information given. 
A) 900 
B) 1200 
C) 300 
D) 100 
E) Not enough information given.

Question 12

The major function of proteasomes is to

Accepted Answer

A) perform extracellular digestion of proteins. 
B) perform autophagy. 
C) digest dietary proteins for use by other organelles. 
D) degrade unneeded,damaged or faulty cellular proteins. 
E) degrade excess ATP. 
A) perform extracellular digestion of proteins. 
B) perform autophagy. 
C) digest dietary proteins for use by other organelles. 
D) degrade unneeded,damaged or faulty cellular proteins. 
E) degrade excess ATP.

Question 13

The polar portion of a cholesterol molecule,which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids,consists of a

Accepted Answer

A) -OH group. 
B) -CH3 group. 
C) -CH4 group 
D) -COOH group 
E) None of these choices is correct. 
A) -OH group. 
B) -CH3 group. 
C) -CH4 group 
D) -COOH group 
E) None of these choices is correct.

Question 14

Which of the following is the correct sequence of events in phagocytosis shown in the figure?

Accepted Answer

A) pseudopods surround particle > phagosome formed > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
B) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
C) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > residual body formed > digestion by lysosomal enzymes 
D) residual body formed > phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes 
E) fusion of lysosome and phagosome > residual body formed > phagosome formed > pseudopods surround particle > digestion by lysosomal enzymes 
A) pseudopods surround particle > phagosome formed > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
B) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
C) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > residual body formed > digestion by lysosomal enzymes 
D) residual body formed > phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes 
E) fusion of lysosome and phagosome > residual body formed > phagosome formed > pseudopods surround particle > digestion by lysosomal enzymes

Question 15

Briefly describe how proteins move through the Golgi complex.

Accepted Answer

The answer of Briefly describe how proteins move through the...

Question 16

___________ is the transformation of one type of cell into another.

Accepted Answer

A) Hyperplasia 
B) Metaplasia 
C) Atrophy 
D) Dysplasia 
E) Hypertrophy 
A) Hyperplasia 
B) Metaplasia 
C) Atrophy 
D) Dysplasia 
E) Hypertrophy

Question 17

Which of the following is the correct sequence of events in receptor-mediated endocytosis shown in the figure?

Accepted Answer

A) binding > degradation in lysosomes > vesicle formation > uncoating > recycling of receptors to plasma membrane > fusion with endosome 
B) degradation in lysosomes > fusion with endosome > recycling of receptors to plasma membrane > uncoating > vesicle formation > binding 
C) degradation in lysosomes > recycling of receptors to plasma membrane > fusion with endosome > uncoating > vesicle formation > binding 
D) binding > vesicle formation > uncoating > fusion with endosome > recycling of receptors to plasma membrane > degradation in lysosomes 
E) binding > uncoating > vesicle formation > fusion with endosome > degradation in lysosomes > recycling of receptors to plasma membrane 
A) binding > degradation in lysosomes > vesicle formation > uncoating > recycling of receptors to plasma membrane > fusion with endosome 
B) degradation in lysosomes > fusion with endosome > recycling of receptors to plasma membrane > uncoating > vesicle formation > binding 
C) degradation in lysosomes > recycling of receptors to plasma membrane > fusion with endosome > uncoating > vesicle formation > binding 
D) binding > vesicle formation > uncoating > fusion with endosome > recycling of receptors to plasma membrane > degradation in lysosomes 
E) binding > uncoating > vesicle formation > fusion with endosome > degradation in lysosomes > recycling of receptors to plasma membrane

Question 18

Which of the following shows catalysis of a reaction outside a cell at its surface?

Accepted Answer

A) B 
B) C 
C) D 
D) A 
E) E 
A) B 
B) C 
C) D 
D) A 
E) E

Question 19

Which of the following substances is normally transported across membranes via facilitated diffusion?

Accepted Answer

A) carbon dioxide gas 
B) fructose 
C) bacteria 
D) fat-soluble vitamins 
E) transferrin 
A) carbon dioxide gas 
B) fructose 
C) bacteria 
D) fat-soluble vitamins 
E) transferrin

Question 20

Briefly state the functions of the rough and smooth endoplasmic reticulum.

Accepted Answer

The answer of Briefly state the functions of the rough...

Exam 3: The Cellular Level of Organization

During this phase of cell division,the chromatin fibers condense and shorten into chromosomes that are visible under the microscope.

A cell lacking ribosomes will be unable to make the following compounds

If the solute concentration is greater inside of the cell than outside the cell,water will move by osmosis

The following is a particular sequence of codon on mRNA: ACU.What is the corresponding anti-codon for the tRNA?

Describe the difference between the cytoplasm and the cytosol.

In the diagram,which organelle is responsible for autophagy and autolysis?

The major function of mitochondria is to

This cellular organelle is comprised of a pair of centrioles and the surrounding pericentriolar material.

What structural component of the membrane is labeled (B)in the diagram?

During this phase of cell division,organelles duplicate and centrosome replication begins.

A gene for a certain protein contains 300 nucleotides.How many amino acids will ultimately make up the protein molecule?

The major function of proteasomes is to

The polar portion of a cholesterol molecule,which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids,consists of a

Which of the following is the correct sequence of events in phagocytosis shown in the figure?

Briefly describe how proteins move through the Golgi complex.

___________ is the transformation of one type of cell into another.

Which of the following is the correct sequence of events in receptor-mediated endocytosis shown in the figure?

Which of the following shows catalysis of a reaction outside a cell at its surface?

Which of the following substances is normally transported across membranes via facilitated diffusion?

Briefly state the functions of the rough and smooth endoplasmic reticulum.

An Introduction to the Human Body

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: The Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: The Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Digestive System

Metabolism

The Urinary System

The Reproductive Systems

Development and Inheritance

Filters