Question 1

Some ribosomes are suspended in the cytosol of a cell,whereas other ribosomes ________.

Accepted Answer

A) make proteins inside the nucleus 
B) are found on the plasma membrane 
C) are attached to the smooth endoplasmic reticulum 
D) are attached to the outside of the nucleus 
A) make proteins inside the nucleus 
B) are found on the plasma membrane 
C) are attached to the smooth endoplasmic reticulum 
D) are attached to the outside of the nucleus

Question 2

Which plant organelle is responsible for photosynthesis?

Accepted Answer

A) smooth endoplasmic reticulum 
B) mitochondrion 
C) ribosome 
D) chloroplast 
A) smooth endoplasmic reticulum 
B) mitochondrion 
C) ribosome 
D) chloroplast

Question 3

Vacuoles are ________.

Accepted Answer

A) membranous sacs 
B) manufactured by ribosomes 
C) composed of microtubules 
D) found only in plant cells 
A) membranous sacs 
B) manufactured by ribosomes 
C) composed of microtubules 
D) found only in plant cells

Question 4

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

Question 5

Which theory states that all living things are composed of cells?

Accepted Answer

A) cell theory 
B) Hooke's rule 
C) evolutionary theory 
D) Mendel's law 
A) cell theory 
B) Hooke's rule 
C) evolutionary theory 
D) Mendel's law

Question 6

During a race such as a marathon,the skeletal muscle cells in your legs use a lot of energy to continually contract and power your muscles.What organelle is most likely abundant in skeletal muscle cells?

Accepted Answer

A) mitochondria 
B) Golgi apparatus 
C) smooth endoplasmic reticulum 
D) rough endoplasmic reticulum 
A) mitochondria 
B) Golgi apparatus 
C) smooth endoplasmic reticulum 
D) rough endoplasmic reticulum

Question 7

If a cell's lysosomes burst,the cell would ________.

Accepted Answer

A) shrivel 
B) divide into two cells 
C) digest itself 
D) need to manufacture more lysosomes 
A) shrivel 
B) divide into two cells 
C) digest itself 
D) need to manufacture more lysosomes

Question 8

Which of the following is a characteristic of mitochondria that suggests that they might have evolved from free-living bacteria?

Accepted Answer

A) Mitochondria have cell walls. 
B) The plasma membrane of a mitochondrion,forming the surface of this organelle,is the site of many important steps of cellular respiration. 
C) Mitochondria have their own DNA. 
D) Mitochondria rely upon proteins as their source of energy. 
A) Mitochondria have cell walls. 
B) The plasma membrane of a mitochondrion,forming the surface of this organelle,is the site of many important steps of cellular respiration. 
C) Mitochondria have their own DNA. 
D) Mitochondria rely upon proteins as their source of energy.

Question 9

The figure below 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 10

What evidence suggests that mitochondria might have evolved before chloroplasts?

Accepted Answer

A) Mitochondria can sometimes divide to produce chloroplasts. 
B) Only mitochondria have their own DNA. 
C) Some mitochondria have chloroplasts inside of them. 
D) Almost all eukaryotes have mitochondria but only some cells have chloroplasts. 
A) Mitochondria can sometimes divide to produce chloroplasts. 
B) Only mitochondria have their own DNA. 
C) Some mitochondria have chloroplasts inside of them. 
D) Almost all eukaryotes have mitochondria but only some cells have chloroplasts.

Question 11

Where does protein synthesis take place?

Accepted Answer

A) in the nucleolus 
B) on smooth endoplasmic reticulum 
C) on ribosomes 
D) in the nucleus 
A) in the nucleolus 
B) on smooth endoplasmic reticulum 
C) on ribosomes 
D) in the nucleus

Question 12

Which of the following structures manufactures the components of ribosomes?

Accepted Answer

A) nucleus 
B) cytoplasm 
C) endoplasmic reticulum 
D) nucleolus 
A) nucleus 
B) cytoplasm 
C) endoplasmic reticulum 
D) nucleolus

Question 13

Why do you think the bacteria start to decline when treated with antibiotic C but then begin to grow as time goes on?

Accepted Answer

A) Some bacteria with resistance to antibiotic C were selected for over time. 
B) Additional bacteria were added to the experimental group. 
C) Antibiotic C degraded and thus was no longer effective. 
D) This is the normal course of bacterial growth no matter which antibiotic is applied. 
A) Some bacteria with resistance to antibiotic C were selected for over time. 
B) Additional bacteria were added to the experimental group. 
C) Antibiotic C degraded and thus was no longer effective. 
D) This is the normal course of bacterial growth no matter which antibiotic is applied.

Question 14

The nuclear envelope is composed of ________.

Accepted Answer

A) chromatin 
B) DNA 
C) a double membrane 
D) carbohydrates 
A) chromatin 
B) DNA 
C) a double membrane 
D) carbohydrates

Question 15

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

Question 16

Functions of the smooth endoplasmic reticulum include ________.

Accepted Answer

A) steroid synthesis,protein synthesis,and drug detoxification 
B) lipid synthesis,protein synthesis,and drug detoxification 
C) lipid synthesis,steroid synthesis,and drug detoxification 
D) lipid synthesis,steroid synthesis,and storage of genetic information 
A) steroid synthesis,protein synthesis,and drug detoxification 
B) lipid synthesis,protein synthesis,and drug detoxification 
C) lipid synthesis,steroid synthesis,and drug detoxification 
D) lipid synthesis,steroid synthesis,and storage of genetic information

Question 17

The structural combination of DNA and protein forms ________.

Accepted Answer

A) nucleoli 
B) RNA 
C) chromatin 
D) ribosomes 
A) nucleoli 
B) RNA 
C) chromatin 
D) ribosomes

Question 18

Which of the following is a feature of prokaryotic cells but NOT eukaryotic cells?

Accepted Answer

A) pili 
B) cell wall 
C) flagella 
D) DNA 
A) pili 
B) cell wall 
C) flagella 
D) DNA

Question 19

In eukaryotic cells,what name is given to the region between the nucleus and the plasma membrane?

Accepted Answer

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

Question 20

Which of the following is a characteristic of chloroplasts that suggests that they might have evolved from free-living bacteria?

Accepted Answer

A) Chloroplasts have cell walls. 
B) Chloroplasts contain pigments. 
C) Chloroplasts have their own DNA. 
D) A single,highly folded plasma membrane surrounds chloroplasts. 
A) Chloroplasts have cell walls. 
B) Chloroplasts contain pigments. 
C) Chloroplasts have their own DNA. 
D) A single,highly folded plasma membrane surrounds chloroplasts.

Exam 4: A Tour of the Cell

Some ribosomes are suspended in the cytosol of a cell,whereas other ribosomes ________.

Which plant organelle is responsible for photosynthesis?

Vacuoles are ________.

Similar to the nucleus,chloroplasts and mitochondria are ________.

Which theory states that all living things are composed of cells?

During a race such as a marathon,the skeletal muscle cells in your legs use a lot of energy to continually contract and power your muscles.What organelle is most likely abundant in skeletal muscle cells?

If a cell's lysosomes burst,the cell would ________.

Which of the following is a characteristic of mitochondria that suggests that they might have evolved from free-living bacteria?

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

What evidence suggests that mitochondria might have evolved before chloroplasts?

Where does protein synthesis take place?

Which of the following structures manufactures the components of ribosomes?

Why do you think the bacteria start to decline when treated with antibiotic C but then begin to grow as time goes on?

The nuclear envelope is composed of ________.

A protist that contains contractile vacuoles most likely lives ________.

Functions of the smooth endoplasmic reticulum include ________.

The structural combination of DNA and protein forms ________.

Which of the following is a feature of prokaryotic cells but NOT eukaryotic cells?

In eukaryotic cells,what name is given to the region between the nucleus and the plasma membrane?

Which of the following is a characteristic of chloroplasts that suggests that they might have evolved from free-living bacteria?

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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