Question 1

The child shown in the figure below is not feeling well.Why does the poster say "No Antibiotics Please"?

Accepted Answer

A) His illness may be caused by an allergy to penicillin. 
B) Antibiotics should be taken only to promote growth. 
C) His illness is caused by bacteria. 
D) His illness is caused by a virus. 
A) His illness may be caused by an allergy to penicillin. 
B) Antibiotics should be taken only to promote growth. 
C) His illness is caused by bacteria. 
D) His illness is caused by a virus. D

Question 2

Examine the structures of the plant and animal cells below.Which of the following organelles connect(s)to the nuclear envelope?

Accepted Answer

A) the Golgi apparatus 
B) lysosomes 
C) mitochondria 
D) the endoplasmic reticulum 
A) the Golgi apparatus 
B) lysosomes 
C) mitochondria 
D) the endoplasmic reticulum D

Question 3

A hormone that will be secreted from a cell is manufactured by ribosomes ________.

Accepted Answer

A) attached to the endoplasmic reticulum 
B) attached to the Golgi apparatus 
C) attached to the plasma membrane 
D) inside the nucleus 
A) attached to the endoplasmic reticulum 
B) attached to the Golgi apparatus 
C) attached to the plasma membrane 
D) inside the nucleus A

Question 4

The bacteria show the greatest resistance to which antibiotic?

Accepted Answer

A) Antibiotic A 
B) Antibiotic B 
C) Antibiotic C 
D) Antibiotic D 
A) Antibiotic A 
B) Antibiotic B 
C) Antibiotic C 
D) Antibiotic D

Question 5

The concept of a membrane as a fluid mosaic reflects the ability of ________.

Accepted Answer

A) phospholipids and most proteins to drift about in the plane of the membrane 
B) phospholipids but not proteins to drift about in the plane of the membrane 
C) most proteins but not phospholipids to drift about in the plane of the membrane 
D) carbohydrates to drift into and out of the membrane structure 
A) phospholipids and most proteins to drift about in the plane of the membrane 
B) phospholipids but not proteins to drift about in the plane of the membrane 
C) most proteins but not phospholipids to drift about in the plane of the membrane 
D) carbohydrates to drift into and out of the membrane structure

Question 6

Cellular respiration can be described as the conversion of the energy ________.

Accepted Answer

A) of sunlight to energy stored in organic compounds 
B) stored in food molecules to energy stored in ATP 
C) stored in ATP to energy stored in food molecules 
D) stored in ATP to energy used to do work 
A) of sunlight to energy stored in organic compounds 
B) stored in food molecules to energy stored in ATP 
C) stored in ATP to energy stored in food molecules 
D) stored in ATP to energy used to do work

Question 7

When using a microscope to view cells you obtained from scraping under your fingernails,you notice that the cells lack nuclei; therefore,you conclude that the cells must be a type of ________ cell.

Accepted Answer

A) plant 
B) eukaryotic 
C) fungal 
D) prokaryotic 
A) plant 
B) eukaryotic 
C) fungal 
D) prokaryotic

Question 8

When mixed with water,phospholipids spontaneously form membranes because they ________.

Accepted Answer

A) have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water 
B) have hydrophilic fatty acid tails that are attracted to water and hydrophobic phosphate groups that avoid water 
C) have hydrophilic heads that are attracted to their hydrophobic tails 
D) are both fluid and mosaic 
A) have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water 
B) have hydrophilic fatty acid tails that are attracted to water and hydrophobic phosphate groups that avoid water 
C) have hydrophilic heads that are attracted to their hydrophobic tails 
D) are both fluid and mosaic

Question 9

Which of the following is an adaptation to increase the surface area of a part of a cell that is involved in cellular respiration?

Accepted Answer

A) the cristae of a mitochondrion 
B) the outer membrane of a chloroplast 
C) the grana of a chloroplast 
D) the endoplasmic reticulum 
A) the cristae of a mitochondrion 
B) the outer membrane of a chloroplast 
C) the grana of a chloroplast 
D) the endoplasmic reticulum

Question 10

The endomembrane system includes ________.

Accepted Answer

A) ribosomes,lysosomes,vacuoles,and the endoplasmic reticulum 
B) Golgi apparatus,nucleolus,vacuoles,and the endoplasmic reticulum 
C) Golgi apparatus,lysosomes,ribosomes,and the endoplasmic reticulum 
D) Golgi apparatus,lysosomes,vacuoles,and the endoplasmic reticulum 
A) ribosomes,lysosomes,vacuoles,and the endoplasmic reticulum 
B) Golgi apparatus,nucleolus,vacuoles,and the endoplasmic reticulum 
C) Golgi apparatus,lysosomes,ribosomes,and the endoplasmic reticulum 
D) Golgi apparatus,lysosomes,vacuoles,and the endoplasmic reticulum

Question 11

Plant cells,unlike animal cells,are characterized by the presence of a ________.

Accepted Answer

A) cell wall and a contractile vacuole 
B) cell wall and a central vacuole 
C) nucleus and a cell wall 
D) nucleus and a contractile vacuole 
A) cell wall and a contractile vacuole 
B) cell wall and a central vacuole 
C) nucleus and a cell wall 
D) nucleus and a contractile vacuole

Question 12

________ are the major lipids of plasma membranes.

Accepted Answer

A) Steroids 
B) Fatty acids 
C) Starches 
D) Phospholipids 
A) Steroids 
B) Fatty acids 
C) Starches 
D) Phospholipids

Question 13

If you were treating a patient infected with this species of bacteria,which antibiotic would you prescribe the person such that the bacteria were killed most effectively?

Accepted Answer

A) Antibiotic A 
B) Antibiotic B 
C) Antibiotic C 
D) Antibiotic D 
A) Antibiotic A 
B) Antibiotic B 
C) Antibiotic C 
D) Antibiotic D

Question 14

Tobacco smokers (and those exposed to tobacco smoke)are at greater risk of an ectopic (tubal)pregnancy.Based on your understanding of the structures of the cytoskeleton,what is the BEST explanation?

Accepted Answer

A) Tobacco interferes with the microtubule network of eggs thus weakening their structure. 
B) Tobacco interferes with the functioning of the flagella propelling sperm. 
C) Tobacco interferes with microfilament formation in sperm,thereby forcing the zygote to implant in a fallopian tube. 
D) Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus. 
A) Tobacco interferes with the microtubule network of eggs thus weakening their structure. 
B) Tobacco interferes with the functioning of the flagella propelling sperm. 
C) Tobacco interferes with microfilament formation in sperm,thereby forcing the zygote to implant in a fallopian tube. 
D) Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus.

Question 15

Which of the following parts of a cell is (are)most like the shipping center of a company?

Accepted Answer

A) the Golgi apparatus 
B) mitochondria 
C) chloroplasts 
D) the nucleolus 
A) the Golgi apparatus 
B) mitochondria 
C) chloroplasts 
D) the nucleolus

Question 16

One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ________ prokaryotic cells.

Accepted Answer

A) have DNA,which is lacking in 
B) have membrane-enclosed structures called organelles,which are lacking in 
C) have a plasma membrane,which is lacking in 
D) have a nucleoid region,which is lacking in 
A) have DNA,which is lacking in 
B) have membrane-enclosed structures called organelles,which are lacking in 
C) have a plasma membrane,which is lacking in 
D) have a nucleoid region,which is lacking in

Question 17

Tay-Sachs disease results from ________ lacking a specific type of lipid-digesting enzyme.

Accepted Answer

A) the Golgi apparatus 
B) lysosomes 
C) mitochondria 
D) the endoplasmic reticulum 
A) the Golgi apparatus 
B) lysosomes 
C) mitochondria 
D) the endoplasmic reticulum

Question 18

What structures move proteins from the ER to the Golgi apparatus?

Accepted Answer

A) transport proteins 
B) central vacuole 
C) transport vesicles 
D) nucleolus 
A) transport proteins 
B) central vacuole 
C) transport vesicles 
D) nucleolus

Question 19

Information is transferred from the nucleus to ribosomes via ________.

Accepted Answer

A) mRNA 
B) rough endoplasmic reticulum 
C) DNA 
D) smooth endoplasmic reticulum 
A) mRNA 
B) rough endoplasmic reticulum 
C) DNA 
D) smooth endoplasmic reticulum

Question 20

In plant cells,________ may contain organic nutrients,pigments,and poisons.

Accepted Answer

A) mitochondria 
B) chloroplasts 
C) lysosomes 
D) central vacuoles 
A) mitochondria 
B) chloroplasts 
C) lysosomes 
D) central vacuoles

Exam 4: A Tour of the Cell

The child shown in the figure below is not feeling well.Why does the poster say "No Antibiotics Please"?

Examine the structures of the plant and animal cells below.Which of the following organelles connect(s)to the nuclear envelope?

A hormone that will be secreted from a cell is manufactured by ribosomes ________.

The bacteria show the greatest resistance to which antibiotic?

The concept of a membrane as a fluid mosaic reflects the ability of ________.

Cellular respiration can be described as the conversion of the energy ________.

When using a microscope to view cells you obtained from scraping under your fingernails,you notice that the cells lack nuclei; therefore,you conclude that the cells must be a type of ________ cell.

When mixed with water,phospholipids spontaneously form membranes because they ________.

Which of the following is an adaptation to increase the surface area of a part of a cell that is involved in cellular respiration?

The endomembrane system includes ________.

Plant cells,unlike animal cells,are characterized by the presence of a ________.

________ are the major lipids of plasma membranes.

If you were treating a patient infected with this species of bacteria,which antibiotic would you prescribe the person such that the bacteria were killed most effectively?

Tobacco smokers (and those exposed to tobacco smoke)are at greater risk of an ectopic (tubal)pregnancy.Based on your understanding of the structures of the cytoskeleton,what is the BEST explanation?

Which of the following parts of a cell is (are)most like the shipping center of a company?

One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ________ prokaryotic cells.

Tay-Sachs disease results from ________ lacking a specific type of lipid-digesting enzyme.

What structures move proteins from the ER to the Golgi apparatus?

Information is transferred from the nucleus to ribosomes via ________.

In plant cells,________ may contain organic nutrients,pigments,and poisons.

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

Nervous,Sensory,and Locomotor Systems

The Life of a Flowering Plant

The Working Plant

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