Question 1

Transcription involves _________,where translation involves _______.

Accepted Answer

A) polypeptide synthesis;mRNA synthesis 
B) mRNA synthesis;polypeptide synthesis 
C) amino acids;nucleotides 
A) polypeptide synthesis;mRNA synthesis 
B) mRNA synthesis;polypeptide synthesis 
C) amino acids;nucleotides

Question 2

If half of a DNA molecule is ACG-TCC-GTA,the complementary half would be

Accepted Answer

A) CTA-CTT-ACC. 
B) TGC-AGG-CAT. 
C) ACG-TCC-GTA. 
D) UGC-AGG-CAU. 
A) CTA-CTT-ACC. 
B) TGC-AGG-CAT. 
C) ACG-TCC-GTA. 
D) UGC-AGG-CAU.

Question 3

Which process does not require a concentration gradient?

Accepted Answer

A) Active transport 
B) Diffusion 
C) Facilitated diffusion 
D) Osmosis 
A) Active transport 
B) Diffusion 
C) Facilitated diffusion 
D) Osmosis

Question 4

What is the function of intermediate filaments?

Accepted Answer

A) Cell-to-cell junctions 
B) Cell movement 
C) Form flagella 
D) Cell shape 
A) Cell-to-cell junctions 
B) Cell movement 
C) Form flagella 
D) Cell shape

Question 5

A system of membranous channels and saccules that runs from the nuclear membrane through the cytoplasm is the

Accepted Answer

A) nucleolus. 
B) Golgi apparatus. 
C) endoplasmic reticulum. 
D) mitochondria. 
A) nucleolus. 
B) Golgi apparatus. 
C) endoplasmic reticulum. 
D) mitochondria.

Question 6

The chromosomes shorten and thicken so that they become visible occurs during

Accepted Answer

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

Question 7

Apoptosis

Accepted Answer

A) involves the destruction of a cell. 
B) occurs at the restriction checkpoint. 
C) is not a component of the cell cycle. 
D) All apply. 
A) involves the destruction of a cell. 
B) occurs at the restriction checkpoint. 
C) is not a component of the cell cycle. 
D) All apply.

Question 8

Which of the following types of cells are anucleated when mature?

Accepted Answer

A) Liver cells 
B) Skin cells 
C) Erythrocytes 
D) Skeletal muscle cells 
A) Liver cells 
B) Skin cells 
C) Erythrocytes 
D) Skeletal muscle cells

Question 9

The period of interphase when DNA is replicated is the

Accepted Answer

A) G1 phase. 
B) S phase. 
C) G2 phase. 
D) mitosis phase. 
A) G1 phase. 
B) S phase. 
C) G2 phase. 
D) mitosis phase.

Question 10

Describe the functions of cilia and flagella,and give examples of the activities of each in the body.

Accepted Answer

Cilia and flagella both produc

Question 11

Which elements of the cytoskeleton help maintain the shape of the cells,move organelles around,and aid in cell division?

Accepted Answer

A) Intermediate fibers 
B) Cilia 
C) Microtubules 
D) Actin filaments 
A) Intermediate fibers 
B) Cilia 
C) Microtubules 
D) Actin filaments

Question 12

Cytokinesis occurs during

Accepted Answer

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

Question 13

Why is DNA replication required prior to mitosis?

Accepted Answer

As a result of DNA replication,the chrom

Question 14

The movement of materials into a cell by the formation of a pocket of the plasma membrane is called

Accepted Answer

A) exocytosis. 
B) hemolysis. 
C) crenation. 
D) endocytosis. 
A) exocytosis. 
B) hemolysis. 
C) crenation. 
D) endocytosis.

Question 15

The centrioles moving apart to opposite poles occurs during

Accepted Answer

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

Question 16

The function of the nucleolus is to make

Accepted Answer

A) mitochondriA. 
B) endoplasmic reticulum. 
C) chromosomes. 
D) ribosomes. 
A) mitochondriA. 
B) endoplasmic reticulum. 
C) chromosomes. 
D) ribosomes.

Question 17

Differentiate between chromosomes,chromatin,DNA,and genes.

Accepted Answer

Chromatin is a threadlike material in th

Question 18

Which of the following serves as the site for the synthesis of phospholipids?

Accepted Answer

A) Plasma membrane 
B) Rough ER 
C) Smooth ER 
D) Golgi apparatus 
A) Plasma membrane 
B) Rough ER 
C) Smooth ER 
D) Golgi apparatus

Question 19

Water intoxication can be due to

Accepted Answer

A) loss of too much water. 
B) excessive sweating. 
C) excessive consumption of pure water. 
D) excessive consumption of low-sodium sports drinks. 
A) loss of too much water. 
B) excessive sweating. 
C) excessive consumption of pure water. 
D) excessive consumption of low-sodium sports drinks.

Question 20

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.

Transcription involves ___,where translation involves _.

If half of a DNA molecule is ACG-TCC-GTA,the complementary half would be

Which process does not require a concentration gradient?

What is the function of intermediate filaments?

A system of membranous channels and saccules that runs from the nuclear membrane through the cytoplasm is the

The chromosomes shorten and thicken so that they become visible occurs during

Apoptosis

Which of the following types of cells are anucleated when mature?

The period of interphase when DNA is replicated is the

Describe the functions of cilia and flagella,and give examples of the activities of each in the body.

Which elements of the cytoskeleton help maintain the shape of the cells,move organelles around,and aid in cell division?

Cytokinesis occurs during

Why is DNA replication required prior to mitosis?

The movement of materials into a cell by the formation of a pocket of the plasma membrane is called

The centrioles moving apart to opposite poles occurs during

The function of the nucleolus is to make

Differentiate between chromosomes,chromatin,DNA,and genes.

Which of the following serves as the site for the synthesis of phospholipids?

Water intoxication can be due to

The gelatinous supporting material of a cell is the

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

Digestive System

The Urinary System and Excretion

The Reproductive System

Human Development and Birth

Human Genetics

Filters

Exam 3: Cell Structure and Function

Transcription involves _________,where translation involves _______.

If half of a DNA molecule is ACG-TCC-GTA,the complementary half would be

Which process does not require a concentration gradient?

What is the function of intermediate filaments?

A system of membranous channels and saccules that runs from the nuclear membrane through the cytoplasm is the

The chromosomes shorten and thicken so that they become visible occurs during

Apoptosis

Which of the following types of cells are anucleated when mature?

The period of interphase when DNA is replicated is the

Describe the functions of cilia and flagella,and give examples of the activities of each in the body.

Which elements of the cytoskeleton help maintain the shape of the cells,move organelles around,and aid in cell division?

Cytokinesis occurs during

Why is DNA replication required prior to mitosis?

The movement of materials into a cell by the formation of a pocket of the plasma membrane is called

The centrioles moving apart to opposite poles occurs during

The function of the nucleolus is to make

Differentiate between chromosomes,chromatin,DNA,and genes.

Which of the following serves as the site for the synthesis of phospholipids?

Water intoxication can be due to

The gelatinous supporting material of a cell is the

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

Digestive System

The Urinary System and Excretion

The Reproductive System

Human Development and Birth

Human Genetics

Filters

Transcription involves ___,where translation involves _.