Question 1

The extracellular matrix of animal cells ________.

Accepted Answer

A) protects and supports cells 
B) provides avenues for the exchange of DNA 
C) is a warehouse for the storage of extra lipids and carbohydrates 
D) is primarily a site of dead matter and waste materials 
A) protects and supports cells 
B) provides avenues for the exchange of DNA 
C) is a warehouse for the storage of extra lipids and carbohydrates 
D) is primarily a site of dead matter and waste materials A

Question 2

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 D

Question 3

A protist that contains contractile vacuoles most likely lives ________.

Accepted Answer

A) in a marine environment 
B) within the cells of another organism 
C) in fresh water 
A) in a marine environment 
B) within the cells of another organism 
C) in fresh water C

Question 4

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 5

What is the major function of chloroplasts?

Accepted Answer

A) to store water 
B) to degrade cellular waste products 
C) to manufacture proteins 
D) to allow for photosynthesis to occur 
A) to store water 
B) to degrade cellular waste products 
C) to manufacture proteins 
D) to allow for photosynthesis to occur

Question 6

Which part(s)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 7

What cellular structure do antibiotics typically target?

Accepted Answer

A) cell walls 
B) cell membranes 
C) mitochondria 
D) vacuoles 
A) cell walls 
B) cell membranes 
C) mitochondria 
D) vacuoles

Question 8

Where is this molecule normally found in a eukaryotic cell?

Accepted Answer

A) cytosol 
B) Golgi apparatus 
C) nucleus 
D) rough endoplasmic reticulum 
A) cytosol 
B) Golgi apparatus 
C) nucleus 
D) rough endoplasmic reticulum

Question 9

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) His illness is caused by bacteria. 
C) His illness is caused by a virus. 
A) His illness may be caused by an allergy to penicillin. 
B) His illness is caused by bacteria. 
C) His illness is caused by a virus.

Question 10

In eukaryotic cells, what name is given to the region that surrounds organelles but is not found inside the nucleus?

Accepted Answer

A) cytoplasm 
B) phospholipid bilayer 
C) nucleoid 
D) chloroplast 
A) cytoplasm 
B) phospholipid bilayer 
C) nucleoid 
D) chloroplast

Question 11

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 12

Digestion of organic matter inside the cell takes place in what organelle?

Accepted Answer

A) Golgi apparatus 
B) mitochondrion 
C) lysosome 
D) rough endoplasmic reticulum 
A) Golgi apparatus 
B) mitochondrion 
C) lysosome 
D) rough endoplasmic reticulum

Question 13

What is a gene?

Accepted Answer

A) A portion of a protein that contains information to produce DNA. 
B) A portion of DNA that contains information to produce a protein. 
C) A portion of RNA that contains information to produce a protein. 
D) A portion of DNA that contains information to produce additional DNA. 
A) A portion of a protein that contains information to produce DNA. 
B) A portion of DNA that contains information to produce a protein. 
C) A portion of RNA that contains information to produce a protein. 
D) A portion of DNA that contains information to produce additional DNA.

Question 14

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 15

Scenario
Different species of bacteria are resistant to different types of antibiotics. For example, one species of bacteria may be resistant to an antibiotic that targets bacterial ribosomes but may not be resistant to a different antibiotic that targets bacterial cell walls. In order to figure out what type of antibiotic(s)a species of bacteria was resistant to, a researcher treated the bacteria with four different antibiotics (A, B, C, and D)and measured how many bacteria were alive over the course of a few weeks. The data that she collected are summarized below.  
-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 16

Scientists are always on the hunt for new and more effective antibiotics. Suppose that a new antibiotic (antibiotic X)is discovered that may be able to kill MRSA (methicillin-resistant S. aureus), a particularly dangerous and resistant strain of bacteria. Which experiment would be best to conduct to determine if antibiotic X is more effective at killing MRSA than the antibiotic penicillin?

Accepted Answer

A) Treat a sample of MRSA with both antibiotic X and penicillin, and count how many MRSA cells are alive after three days. 
B) Treat a sample of MRSA with only antibiotic X and a second sample of MRSA with only penicillin, and count how many MRSA cells are alive in each sample after three days. 
C) Treat a sample of MRSA with only antibiotic X, and count how many MRSA cells are alive after three days. 
D) Treat a sample of MRSA with only penicillin, and count how many MRSA cells are alive after three days. 
A) Treat a sample of MRSA with both antibiotic X and penicillin, and count how many MRSA cells are alive after three days. 
B) Treat a sample of MRSA with only antibiotic X and a second sample of MRSA with only penicillin, and count how many MRSA cells are alive in each sample after three days. 
C) Treat a sample of MRSA with only antibiotic X, and count how many MRSA cells are alive after three days. 
D) Treat a sample of MRSA with only penicillin, and count how many MRSA cells are alive after three days.

Question 17

The figure shows a Paramecium, a single-celled freshwater protist. The hairlike structures visible on the Paramecium allow it to move. These structures are ________.

Accepted Answer

A) microfilaments 
B) intermediate filaments 
C) flagella 
D) cilia 
A) microfilaments 
B) intermediate filaments 
C) flagella 
D) cilia

Question 18

Most human cells contain ________ chromosomes.

Accepted Answer

A) 36 
B) 46 
C) 2 
D) 23 
A) 36 
B) 46 
C) 2 
D) 23

Question 19

Plants are susceptible to bacterial infections, which can damage their structure or even kill them. Which would be the best antibiotic to treat a plant that is infected with bacteria?

Accepted Answer

A) a drug that interferes with mitochondria function 
B) a drug that disrupts cell wall structure and function 
C) a drug that destroys the central vacuole 
D) a drug that blocks gene expression in circular chromosomes 
A) a drug that interferes with mitochondria function 
B) a drug that disrupts cell wall structure and function 
C) a drug that destroys the central vacuole 
D) a drug that blocks gene expression in circular chromosomes

Question 20

Similar to the nucleus, chloroplasts and mitochondria are ________.

Accepted Answer

A) surrounded by two membranes 
B) able to synthesize carbohydrates 
C) manufactured by the nucleolus 
D) able to synthesize lipids 
A) surrounded by two membranes 
B) able to synthesize carbohydrates 
C) manufactured by the nucleolus 
D) able to synthesize lipids

Exam 4: A Tour of the Cell

The extracellular matrix of animal cells ________.

The endomembrane system includes ________.

A protist that contains contractile vacuoles most likely lives ________.

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

What is the major function of chloroplasts?

Which part(s)of a cell is (are)most like the shipping center of a company?

What cellular structure do antibiotics typically target?

Where is this molecule normally found in a eukaryotic cell?

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

In eukaryotic cells, what name is given to the region that surrounds organelles but is not found inside the nucleus?

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

Digestion of organic matter inside the cell takes place in what organelle?

What is a gene?

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.

The figure shows a Paramecium, a single-celled freshwater protist. The hairlike structures visible on the Paramecium allow it to move. These structures are ________.

Most human cells contain ________ chromosomes.

Plants are susceptible to bacterial infections, which can damage their structure or even kill them. Which would be the best antibiotic to treat a plant that is infected with bacteria?

Similar to the nucleus, chloroplasts and mitochondria are ________.

Learning About Life

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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