Question 1

Which of the following is NOT true of cell membranes?

Accepted Answer

A)  They are composed of four carbohydrate layers. 
B)  They contain protein molecules. 
C)  They regulate movement of some substances into and out of the cell. 
D)  They contain phospholipids. 
A)  They are composed of four carbohydrate layers. 
B)  They contain protein molecules. 
C)  They regulate movement of some substances into and out of the cell. 
D)  They contain phospholipids.

Question 2

Lysosomes originate from the

Accepted Answer

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

Question 3

A cell encounters a change in its environment (electrical or heat) that could be fatal. However, it is able to respond in a protective manner because this information is sent indirectly through the cell membrane to the nucleus where it stimulates the appropriate response. This is more likely a process known as

Accepted Answer

A)  active transport. 
B)  chemomodulation. 
C)  phagocytosis. 
D)  signal transduction. 
A)  active transport. 
B)  chemomodulation. 
C)  phagocytosis. 
D)  signal transduction.

Question 4

Darker bodies located in the nucleus of some cells are called

Accepted Answer

A)  mitochondria. 
B)  Golgi bodies. 
C)  nucleoli. 
D)  nucleus. 
A)  mitochondria. 
B)  Golgi bodies. 
C)  nucleoli. 
D)  nucleus.

Question 5

A storage container in a cell is generally called a(n)

Accepted Answer

A)  vacuole. 
B)  endoplasmic reticulum. 
C)  pinocyte. 
D)  nucleus. 
A)  vacuole. 
B)  endoplasmic reticulum. 
C)  pinocyte. 
D)  nucleus.

Question 6

The direct intake of a liquid, such as oil, into a cell is called

Accepted Answer

A)  osmosis. 
B)  phagocytosis. 
C)  induction. 
D)  pinocytosis. 
A)  osmosis. 
B)  phagocytosis. 
C)  induction. 
D)  pinocytosis.

Question 7

Diffusion of water through a differentially permeable membrane is called

Accepted Answer

A)  active transport. 
B)  energy. 
C)  osmosis. 
D)  All of these answers are true. 
A)  active transport. 
B)  energy. 
C)  osmosis. 
D)  All of these answers are true.

Question 8

A series of canals in the cell that are made up of membranes is/are called

Accepted Answer

A)  cilia. 
B)  endoplasmic reticulum. 
C)  mitochondria. 
D)  ribosomes. 
A)  cilia. 
B)  endoplasmic reticulum. 
C)  mitochondria. 
D)  ribosomes.

Question 9

Eukaryotic cells are found in the group known as the

Accepted Answer

A)  fungi. 
B)  plants. 
C)  animals. 
D)  All of these answers are true. 
A)  fungi. 
B)  plants. 
C)  animals. 
D)  All of these answers are true.

Question 10

Chromosomes are

Accepted Answer

A)  composed of DNA and lipid. 
B)  found only in the cytoplasm. 
C)  composed of DNA and carbohydrate. 
D)  composed of DNA and protein. 
A)  composed of DNA and lipid. 
B)  found only in the cytoplasm. 
C)  composed of DNA and carbohydrate. 
D)  composed of DNA and protein.

Question 11

A cell that is 98% water is placed in 50% salt water. This cell will

Accepted Answer

A)  shrink. 
B)  swell. 
C)  shrink and then swell. 
D)  remain the same size. 
A)  shrink. 
B)  swell. 
C)  shrink and then swell. 
D)  remain the same size.

Question 12

The Golgi apparatus packages

Accepted Answer

A)  energy. 
B)  hydrogen. 
C)  waste. 
D)  enzymes. 
A)  energy. 
B)  hydrogen. 
C)  waste. 
D)  enzymes.

Question 13

Eukaryotic cells contain

Accepted Answer

A)  a nucleus. 
B)  cell membranes. 
C)  organelles. 
D)  All of these answers are true. 
A)  a nucleus. 
B)  cell membranes. 
C)  organelles. 
D)  All of these answers are true.

Question 14

Which of the following cellular organelles is responsible for manufacturing proteins?

Accepted Answer

A)  ribosomes 
B)  centrioles 
C)  Golgi apparatus 
D)  mitochondria 
A)  ribosomes 
B)  centrioles 
C)  Golgi apparatus 
D)  mitochondria

Question 15

Which of the following is false? As a cell grows, its

Accepted Answer

A)  volume increases. 
B)  surface area increases. 
C)  surface-area-to-volume ratio increases. 
D)  metabolic needs increase. 
A)  volume increases. 
B)  surface area increases. 
C)  surface-area-to-volume ratio increases. 
D)  metabolic needs increase.

Question 16

The _________ membranes stack up to form the ________ of the chloroplast.

Accepted Answer

A)  cristae, grana 
B)  thylakoids, grana 
C)  ER, thylakoids 
D)  Golgi, ER 
A)  cristae, grana 
B)  thylakoids, grana 
C)  ER, thylakoids 
D)  Golgi, ER

Question 17

Which of the following cellular organelles is responsible for providing ATP energy for the cell?

Accepted Answer

A)  ribosomes 
B)  centrioles 
C)  Golgi apparatus 
D)  mitochondria 
A)  ribosomes 
B)  centrioles 
C)  Golgi apparatus 
D)  mitochondria

Question 18

The coiled DNA is found in

Accepted Answer

A)  chromosomes. 
B)  centromeres. 
C)  nucleoli. 
D)  lysosome. 
A)  chromosomes. 
B)  centromeres. 
C)  nucleoli. 
D)  lysosome.

Question 19

Which of the following structures is made of membranes?

Accepted Answer

A)  nucleolus 
B)  centriole 
C)  chloroplast 
D)  ribosomes 
A)  nucleolus 
B)  centriole 
C)  chloroplast 
D)  ribosomes

Question 20

The endoplasmic reticulum

Accepted Answer

A)  functions in internal transport of macromolecules. 
B)  carries on cellular respiration. 
C)  is the site of photosynthesis. 
D)  is dispersed nuclear material of DNA and protein. 
A)  functions in internal transport of macromolecules. 
B)  carries on cellular respiration. 
C)  is the site of photosynthesis. 
D)  is dispersed nuclear material of DNA and protein.

Exam 4: Cell Structure and Function

Which of the following is NOT true of cell membranes?

Lysosomes originate from the

Darker bodies located in the nucleus of some cells are called

A storage container in a cell is generally called a(n)

The direct intake of a liquid, such as oil, into a cell is called

Diffusion of water through a differentially permeable membrane is called

A series of canals in the cell that are made up of membranes is/are called

Eukaryotic cells are found in the group known as the

Chromosomes are

A cell that is 98% water is placed in 50% salt water. This cell will

The Golgi apparatus packages

Eukaryotic cells contain

Which of the following cellular organelles is responsible for manufacturing proteins?

Which of the following is false? As a cell grows, its

The _________ membranes stack up to form the ________ of the chloroplast.

Which of the following cellular organelles is responsible for providing ATP energy for the cell?

The coiled DNA is found in

Which of the following structures is made of membranes?

The endoplasmic reticulum

What Is Biology

The Basics of Life: Chemistry

Organic Molecules: The Molecules of Life

Enzymes, Coenzymes, and Energy

Biochemical Pathways: Cellular Respiration

Biochemical Pathways: Photosynthesis

DNA and RNA: The Molecular Basis of Heredity

Cell Division: Proliferation and Reproduction

Patterns of Inheritance

Applications of Biotechnology

Diversity Within Species and Population Genetics

Evolution and Natural Selection

The Formation of Species and Evolutionary Change

Ecosystem Dynamics: The Flow of Energy and Matter

Community Interactions

Population Ecology

Evolutionary and Ecological Aspects of Behavior

The Origin of Life and the Evolution of Cells

The Classification and Evolution of Organisms

The Nature of Microorganisms

The Plant Kingdom

The Animal Kingdom

Materials Exchange in the Body

Nutrition: Food and Diet

The Bodys Control Mechanisms and Immunity

Human Reproduction, Sex, and Sexuality

Filters

The _ membranes stack up to form the of the chloroplast.