Question 1

Which of the following events of mitosis is CORRECTLY matched with its phase?

Accepted Answer

A) Metaphase - chromosomes shorten and thicken to become visible 
B) Telophase - chromosomes line up down the middle of the cell 
C) Prophase - chromosomes attach to spindle fibers 
D) Anaphase - new nuclear envelopes form around chromosomes 
A) Metaphase - chromosomes shorten and thicken to become visible 
B) Telophase - chromosomes line up down the middle of the cell 
C) Prophase - chromosomes attach to spindle fibers 
D) Anaphase - new nuclear envelopes form around chromosomes C

Question 2

A white blood cell engulfing a bacterium is an example of

Accepted Answer

A) pinocytosis. 
B) exocytosis. 
C) active transport. 
D) phagocytosis. 
A) pinocytosis. 
B) exocytosis. 
C) active transport. 
D) phagocytosis. D

Question 3

The chromosomes shorten and thicken,becoming visible,during

Accepted Answer

A) metaphase. 
B) telophase. 
C) anaphase. 
D) prophase. 
A) metaphase. 
B) telophase. 
C) anaphase. 
D) prophase. D

Question 4

The gelatinous supporting material of a cell is the

Accepted Answer

A) plasma membrane. 
B) nucleus. 
C) cytoplasm. 
D) organelle. 
A) plasma membrane. 
B) nucleus. 
C) cytoplasm. 
D) organelle.

Question 5

Small lipid soluble molecules would move through the plasma membrane by

Accepted Answer

A) diffusion. 
B) osmosis. 
C) filtration. 
D) pumping. 
A) diffusion. 
B) osmosis. 
C) filtration. 
D) pumping.

Question 6

The movement of H2O across a plasma membrane

Accepted Answer

A) is called osmosis. 
B) is called diffusion. 
C) requires energy. 
D) is called osmosis and requires energy. 
A) is called osmosis. 
B) is called diffusion. 
C) requires energy. 
D) is called osmosis and requires energy.

Question 7

The nuclear envelope contains the nuclear material and its structure is a

Accepted Answer

A) double-layered membrane with pores. 
B) single-layered membrane with pores. 
C) solid single-layered membrane. 
D) solid double-layered membrane. 
A) double-layered membrane with pores. 
B) single-layered membrane with pores. 
C) solid single-layered membrane. 
D) solid double-layered membrane.

Question 8

The rough endoplasmic reticulum is covered with

Accepted Answer

A) Golgi apparatus. 
B) ribosomes. 
C) lysosomes. 
D) nucleoli. 
A) Golgi apparatus. 
B) ribosomes. 
C) lysosomes. 
D) nucleoli.

Question 9

Which of the following is NOT a passive process of movement?

Accepted Answer

A) Solute pumps 
B) Osmosis 
C) Facilitated diffusion 
D) Diffusion 
A) Solute pumps 
B) Osmosis 
C) Facilitated diffusion 
D) Diffusion

Question 10

The three-nucleotide segment of tRNA that binds to a three-nucleotide segment of mRNA during translation is called a(n)

Accepted Answer

A) anticodon. 
B) codon. 
C) transcription. 
D) amino acid. 
A) anticodon. 
B) codon. 
C) transcription. 
D) amino acid.

Question 11

The plasma membrane consists primarily of

Accepted Answer

A) phospholipids and proteins. 
B) sugars and starches. 
C) phospholipids and sugars. 
D) sugars and proteins. 
A) phospholipids and proteins. 
B) sugars and starches. 
C) phospholipids and sugars. 
D) sugars and proteins.

Question 12

Liver cells help to detoxify drugs.Therefore,they would have a large number of

Accepted Answer

A) rough ER. 
B) Golgi apparatus. 
C) smooth ER. 
D) centrioles. 
A) rough ER. 
B) Golgi apparatus. 
C) smooth ER. 
D) centrioles.

Question 13

Short cylinders with a 9 + 0 pattern that form the spindle apparatus during cell division are

Accepted Answer

A) centrioles. 
B) basal bodies. 
C) flagella. 
D) actin filaments. 
A) centrioles. 
B) basal bodies. 
C) flagella. 
D) actin filaments.

Question 14

When a cell is placed into a(n)__________ solution,crenation is possible.

Accepted Answer

A) isotonic 
B) hypotonic 
C) hypertonic 
A) isotonic 
B) hypotonic 
C) hypertonic

Question 15

Functions of membrane proteins include all of the following except

Accepted Answer

A) carriers. 
B) cell identification. 
C) stability. 
D) receptors. 
E) channels. 
A) carriers. 
B) cell identification. 
C) stability. 
D) receptors. 
E) channels.

Question 16

Think about the bilayer arrangement of phospholipids in cell membranes.Now imagine if extracellular and intracellular fluids were made of oil instead of water.How would the phospholipids arrange themselves?

Accepted Answer

A) The hydrophilic heads would be oriented toward the middle,with hydrophobic tails pointing outward. 
B) The hydrophobic heads would be oriented toward the oil,so outward;the hydrophilic tails would be pointed inward. 
C) The hydrophobic tails would be oriented inward,while the hydrophilic heads would point outward. 
A) The hydrophilic heads would be oriented toward the middle,with hydrophobic tails pointing outward. 
B) The hydrophobic heads would be oriented toward the oil,so outward;the hydrophilic tails would be pointed inward. 
C) The hydrophobic tails would be oriented inward,while the hydrophilic heads would point outward.

Question 17

Digestive sacs found in cells that help to detoxify drugs and alcohol are

Accepted Answer

A) peroxisomes. 
B) centrioles. 
C) ribosomes. 
D) rough ER. 
A) peroxisomes. 
B) centrioles. 
C) ribosomes. 
D) rough ER.

Question 18

Mitochondria

Accepted Answer

A) produce protein. 
B) store food. 
C) produce ATP. 
D) digest food. 
A) produce protein. 
B) store food. 
C) produce ATP. 
D) digest food.

Question 19

Proteins that are mainly used inside the cell are synthesized

Accepted Answer

A) in the nucleus. 
B) on polyribosomes. 
C) on rough ER. 
D) in the nucleoli. 
A) in the nucleus. 
B) on polyribosomes. 
C) on rough ER. 
D) in the nucleoli.

Question 20

The portion of the cell cycle when a cell is not dividing and instead performs normal cellular processes is called

Accepted Answer

A) interphase. 
B) mitosis. 
C) apoptosis. 
D) exterophase. 
A) interphase. 
B) mitosis. 
C) apoptosis. 
D) exterophase.

Which of the following events of mitosis is CORRECTLY matched with its phase?

A white blood cell engulfing a bacterium is an example of

The chromosomes shorten and thicken,becoming visible,during

The gelatinous supporting material of a cell is the

Small lipid soluble molecules would move through the plasma membrane by

The movement of H₂O across a plasma membrane

The nuclear envelope contains the nuclear material and its structure is a

The rough endoplasmic reticulum is covered with

Which of the following is NOT a passive process of movement?

The three-nucleotide segment of tRNA that binds to a three-nucleotide segment of mRNA during translation is called a(n)

The plasma membrane consists primarily of

Liver cells help to detoxify drugs.Therefore,they would have a large number of

Short cylinders with a 9 + 0 pattern that form the spindle apparatus during cell division are

When a cell is placed into a(n)__________ solution,crenation is possible.

Functions of membrane proteins include all of the following except

Think about the bilayer arrangement of phospholipids in cell membranes.Now imagine if extracellular and intracellular fluids were made of oil instead of water.How would the phospholipids arrange themselves?

Digestive sacs found in cells that help to detoxify drugs and alcohol are

Mitochondria

Proteins that are mainly used inside the cell are synthesized

The portion of the cell cycle when a cell is not dividing and instead performs normal cellular processes is called

Organization of the Body

Chemistry of Life

Body Tissues and Membranes

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The Sensory System

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System

The Urinary System and Excretion

The Reproductive System

Human Development and Birth

Human Genetics

Filters

Exam 3: Cell Structure and Function

Which of the following events of mitosis is CORRECTLY matched with its phase?

A white blood cell engulfing a bacterium is an example of

The chromosomes shorten and thicken,becoming visible,during

The gelatinous supporting material of a cell is the

Small lipid soluble molecules would move through the plasma membrane by

The movement of H2O across a plasma membrane

The nuclear envelope contains the nuclear material and its structure is a

The rough endoplasmic reticulum is covered with

Which of the following is NOT a passive process of movement?

The three-nucleotide segment of tRNA that binds to a three-nucleotide segment of mRNA during translation is called a(n)

The plasma membrane consists primarily of

Liver cells help to detoxify drugs.Therefore,they would have a large number of

Short cylinders with a 9 + 0 pattern that form the spindle apparatus during cell division are

When a cell is placed into a(n)__________ solution,crenation is possible.

Functions of membrane proteins include all of the following except

Think about the bilayer arrangement of phospholipids in cell membranes.Now imagine if extracellular and intracellular fluids were made of oil instead of water.How would the phospholipids arrange themselves?

Digestive sacs found in cells that help to detoxify drugs and alcohol are

Mitochondria

Proteins that are mainly used inside the cell are synthesized

The portion of the cell cycle when a cell is not dividing and instead performs normal cellular processes is called

Organization of the Body

Chemistry of Life

Body Tissues and Membranes

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The Sensory System

The Endocrine System

Blood

The Cardiovascular System

The Lymphatic System and Body Defenses

The Respiratory System

The Digestive System

The Urinary System and Excretion

The Reproductive System

Human Development and Birth

Human Genetics

Filters

The movement of H₂O across a plasma membrane