Question 1

The movement of water across a semi-permeable membrane is called

Accepted Answer

A) denaturation. 
B) osmosis. 
C) dispersion. 
D) dissociation. 
E) reconstitution. 
A) denaturation. 
B) osmosis. 
C) dispersion. 
D) dissociation. 
E) reconstitution.

Question 2

When ATP is broken down,heat is released.

Accepted Answer

A) True 
 B)False

Question 3

What do the SER and RER have in common?

Accepted Answer

A) the presence of ribosomes 
B) the formation of transport vesicles 
C) the synthesis of phospholipids 
D) the synthesis of proteins 
E) the processing and modification of proteins 
A) the presence of ribosomes 
B) the formation of transport vesicles 
C) the synthesis of phospholipids 
D) the synthesis of proteins 
E) the processing and modification of proteins

Question 4

Brett needs to distinguish two points that are 0.5 mm apart.What is the easiest way to do this?

Accepted Answer

A) Use a transmission electron microscope. 
B) Use a compound light microscope. 
C) Use his eyes. 
D) Use a magnifying glass. 
E) Use a scanning electron microscopE. 
A) Use a transmission electron microscope. 
B) Use a compound light microscope. 
C) Use his eyes. 
D) Use a magnifying glass. 
E) Use a scanning electron microscopE.

Question 5

Which of the following can cross the plasma membrane because of its selective permeability?

Accepted Answer

A) gases such as oxygen and carbon dioxide 
B) ions 
C) large,polar molecules 
D) large,nonpolar molecules 
E) glycoproteins 
A) gases such as oxygen and carbon dioxide 
B) ions 
C) large,polar molecules 
D) large,nonpolar molecules 
E) glycoproteins

Question 6

What type of microscopy provides a three-dimensional view of the surface of an object?

Accepted Answer

A) compound light microscope 
B) transmission electron microscope 
C) scanning electron microscope 
D) phase contrast microscope 
E) ultraviolet microscope 
A) compound light microscope 
B) transmission electron microscope 
C) scanning electron microscope 
D) phase contrast microscope 
E) ultraviolet microscope

Question 7

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

Accepted Answer

A) the outer mitochondrial membrane 
B) vacuole 
C) cristae 
D) matrix 
E) grana 
A) the outer mitochondrial membrane 
B) vacuole 
C) cristae 
D) matrix 
E) grana

Question 8

The size of a metabolizing cell is limited by its

Accepted Answer

A) extracellular matrix. 
B) function. 
C) nuclear size. 
D) surface area-to-volume ratio. 
E) genome sizE. 
A) extracellular matrix. 
B) function. 
C) nuclear size. 
D) surface area-to-volume ratio. 
E) genome sizE.

Question 9

Which of the following is not a function of the cytoskeleton?

Accepted Answer

A) maintain a cell's shape 
B) process proteins 
C) anchor organelles 
D) move organelles 
E) move the entire cell 
A) maintain a cell's shape 
B) process proteins 
C) anchor organelles 
D) move organelles 
E) move the entire cell

Question 10

What is the name of a photograph of a specimen obtained with a microscope?

Accepted Answer

A) negative 
B) dermatome 
C) thermograph 
D) micrograph 
E) chromatograph 
A) negative 
B) dermatome 
C) thermograph 
D) micrograph 
E) chromatograph

Question 11

In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _____________ heads are facing the outside environment and the ________________ tails are facing the interior of the membrane.

Accepted Answer

A) hydrophobic,hydrophilic 
B) hydrophilic,hydrophobic 
C) autotrophic,heterotrophic 
D) heterotrophic,autotrophic 
E) ectothermic,endothermic 
A) hydrophobic,hydrophilic 
B) hydrophilic,hydrophobic 
C) autotrophic,heterotrophic 
D) heterotrophic,autotrophic 
E) ectothermic,endothermic

Question 12

Which of the following diseases would you expect in someone with malfunctioning cilia?

Accepted Answer

A) recurrent respiratory infections 
B) heart attack 
C) urinary infections 
D) muscle paralysis 
E) brittle bones 
A) recurrent respiratory infections 
B) heart attack 
C) urinary infections 
D) muscle paralysis 
E) brittle bones

Question 13

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

Accepted Answer

A) invagination of the plasma membrane to form endoplasmic reticulum. 
B) incorporation of engulfed heterotrophic bacteria to form mitochondria. 
C) incorporation of engulfed autotrophic cyanobacteria to form chloroplasts. 
D) a symbiotic relationship between a host cell and a prokaryote that was taken up but not destroyeD. 
E) groups of prokaryotic cells begin to live in a small group sharing products of metabolism. 
A) invagination of the plasma membrane to form endoplasmic reticulum. 
B) incorporation of engulfed heterotrophic bacteria to form mitochondria. 
C) incorporation of engulfed autotrophic cyanobacteria to form chloroplasts. 
D) a symbiotic relationship between a host cell and a prokaryote that was taken up but not destroyeD. 
E) groups of prokaryotic cells begin to live in a small group sharing products of metabolism.

Question 14

What cell structure is composed of a stack of slightly curved saccules that are important in packaging and secretion?

Accepted Answer

A) mitochondria 
B) vacuoles 
C) Golgi apparatus 
D) lysosomes 
E) endoplasmic reticulum 
A) mitochondria 
B) vacuoles 
C) Golgi apparatus 
D) lysosomes 
E) endoplasmic reticulum

Question 15

Which organelle can be likened to a post office?

Accepted Answer

A) nucleus 
B) nucleolus 
C) mitochondria 
D) endoplasmic reticulum 
E) Golgi apparatus 
A) nucleus 
B) nucleolus 
C) mitochondria 
D) endoplasmic reticulum 
E) Golgi apparatus

Question 16

A malfunction with the microtubules would interfere with mitosis and meiosis.

Accepted Answer

A) True 
 B)False

Question 17

The plasma membrane contains how many layers of phospholipids?

Accepted Answer

A) one 
B) two 
C) four 
D) eight 
E) sixteen 
A) one 
B) two 
C) four 
D) eight 
E) sixteen

Question 18

Which of the following steps in the breakdown of glucose does not require oxygen?

Accepted Answer

A) glycolysis 
B) citric acid cycle 
C) electron transport chain 
D) acetyl CoA conversion 
E) None of these require oxygen. 
A) glycolysis 
B) citric acid cycle 
C) electron transport chain 
D) acetyl CoA conversion 
E) None of these require oxygen.

Question 19

Centrosomes are associated with

Accepted Answer

A) ribosomes. 
B) mitochondria. 
C) chromosomes. 
D) microtubules. 
E) lysosomes. 
A) ribosomes. 
B) mitochondria. 
C) chromosomes. 
D) microtubules. 
E) lysosomes.

Question 20

List,in order,the stages of aerobic cellular respiration.

Accepted Answer

Cellular respiration begins with glycoly

Exam 3: Cell Structure and Function

The movement of water across a semi-permeable membrane is called

When ATP is broken down,heat is released.

What do the SER and RER have in common?

Brett needs to distinguish two points that are 0.5 mm apart.What is the easiest way to do this?

Which of the following can cross the plasma membrane because of its selective permeability?

What type of microscopy provides a three-dimensional view of the surface of an object?

If the mitochondrion is the result of endosymbiosis,what membrane of the mitochondrion represents the engulfing vesicle?

The size of a metabolizing cell is limited by its

Which of the following is not a function of the cytoskeleton?

What is the name of a photograph of a specimen obtained with a microscope?

In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _____________ heads are facing the outside environment and the ________________ tails are facing the interior of the membrane.

Which of the following diseases would you expect in someone with malfunctioning cilia?

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

What cell structure is composed of a stack of slightly curved saccules that are important in packaging and secretion?

Which organelle can be likened to a post office?

A malfunction with the microtubules would interfere with mitosis and meiosis.

The plasma membrane contains how many layers of phospholipids?

Which of the following steps in the breakdown of glucose does not require oxygen?

Centrosomes are associated with

List,in order,the stages of aerobic cellular respiration.

Exploring Life and Science

Chemistry of Life

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

DNA Biology and Technology

Human Evolution

Global Ecology and Human Interferences

Human Population,global Resources,and Conservation

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In the fluid-mosaic model of the plasma membrane,the phospholipid molecules are oriented so that the _ heads are facing the outside environment and the ____ tails are facing the interior of the membrane.