Question 1

Which of the following are associated with energy transfer in eukaryotic cells?

Accepted Answer

A) chloroplasts and mitochondria 
B) mitochondria and rough ER 
C) mitochondria and smooth ER 
D) chloroplasts and the cell wall 
E) lysosomes and Golgi complex 
A) chloroplasts and mitochondria 
B) mitochondria and rough ER 
C) mitochondria and smooth ER 
D) chloroplasts and the cell wall 
E) lysosomes and Golgi complex

Question 2

The large central vacuole of plants:

Accepted Answer

A) may make up as much as 90 percent of the internal volume of the cell. 
B) replaces the nucleus. 
C) allows the plant to produce its own food. 
D) produces proteins. 
A) may make up as much as 90 percent of the internal volume of the cell. 
B) replaces the nucleus. 
C) allows the plant to produce its own food. 
D) produces proteins.

Question 3

Harmful substances are detoxified within the cell by the ________.

Accepted Answer

smooth end

Question 4

Insulin is a protein made in large amounts in cells of the pancreas.These cells secrete insulin into the blood,where it controls the uptake of sugar by body cells.How is insulin transported from the ER to the surface of the cell?

Accepted Answer

A) Insulin is sent through the cavities (lumen)of the endoplasmic reticulum that attach directly to the plasma membrane. 
B) Insulin moves along tracks of cytoskeleton proteins. 
C) Insulin moves through plasmodesmata to the surface of the cell. 
D) Insulin is carried in small sacs of membrane (vesicles)that move from the endoplasmic reticulum to the Golgi apparatus and then to the plasma membrane. 
E) Insulin is carried by lysosomes that empty their contents outside the cell. 
A) Insulin is sent through the cavities (lumen)of the endoplasmic reticulum that attach directly to the plasma membrane. 
B) Insulin moves along tracks of cytoskeleton proteins. 
C) Insulin moves through plasmodesmata to the surface of the cell. 
D) Insulin is carried in small sacs of membrane (vesicles)that move from the endoplasmic reticulum to the Golgi apparatus and then to the plasma membrane. 
E) Insulin is carried by lysosomes that empty their contents outside the cell.

Question 5

Which structures are in a plant cell and not in an animal cell? Which organelle would you find in an animal cell but not a plant cell?

Accepted Answer

Plants have three unique organ

Question 6

Which of the following is a function of the nucleolus?

Accepted Answer

A) to allow mRNA to leave the nucleus 
B) to act as the site of DNA synthesis 
C) to attach polysaccharides to protein molecules 
D) to synthesize ribosomal RNA 
E) to synthesize messenger RNA 
A) to allow mRNA to leave the nucleus 
B) to act as the site of DNA synthesis 
C) to attach polysaccharides to protein molecules 
D) to synthesize ribosomal RNA 
E) to synthesize messenger RNA

Question 7

Many antibiotics work by blocking the function of ribosomes.Therefore,these antibiotics will:

Accepted Answer

A) block DNA synthesis. 
B) block protein synthesis. 
C) block RNA synthesis. 
D) prevent the movement of proteins through nuclear pores. 
E) make the two nuclear membranes fuse into one. 
A) block DNA synthesis. 
B) block protein synthesis. 
C) block RNA synthesis. 
D) prevent the movement of proteins through nuclear pores. 
E) make the two nuclear membranes fuse into one.

Question 8

Tiny holes that are channels between animal cells are called gap junctions.

Accepted Answer

A) True 
 B)False

Question 9

Which organelles are believed to have originated from free-standing bacteria ingested by ancient eukaryotic cells?

Accepted Answer

A) mitochondria and Golgi complex 
B) lysosomes and ribosomes 
C) chloroplasts and ribosomes 
D) chloroplasts and lysosomes 
E) mitochondria and chloroplasts 
A) mitochondria and Golgi complex 
B) lysosomes and ribosomes 
C) chloroplasts and ribosomes 
D) chloroplasts and lysosomes 
E) mitochondria and chloroplasts

Question 10

People with oxidative phosphorylation disorders suffer a lack of energy that can lead to diminished function of nerve and muscle cells.The organelle most likely to be altered in oxidative phosphorylation disorders is the:

Accepted Answer

A) chloroplast. 
B) cytoskeleton. 
C) cell wall. 
D) mitochondrion. 
E) rough endoplasmic reticulum. 
A) chloroplast. 
B) cytoskeleton. 
C) cell wall. 
D) mitochondrion. 
E) rough endoplasmic reticulum.

Question 11

Animal cells contain centrioles and chloroplasts.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is the correct order of events in a cell?

Accepted Answer

A) DNA makes protein; protein makes RNA. 
B) Protein makes DNA; DNA makes RNA. 
C) RNA makes DNA; DNA makes protein. 
D) RNA makes protein; protein makes DNA. 
E) DNA makes RNA; RNA makes protein. 
A) DNA makes protein; protein makes RNA. 
B) Protein makes DNA; DNA makes RNA. 
C) RNA makes DNA; DNA makes protein. 
D) RNA makes protein; protein makes DNA. 
E) DNA makes RNA; RNA makes protein.

Question 13

mRNA carries a code from the ________ to make a particular polypeptide.

Accepted Answer

The answer of mRNA carries a code from the ________...

Question 14

Lysosomes are responsible for producing ATP from the metabolism of food.

Accepted Answer

A) True 
 B)False

Question 15

Prokaryotic cells lack:

Accepted Answer

A) DNA. 
B) proteins. 
C) internal compartmentalization. 
D) ribosomes. 
A) DNA. 
B) proteins. 
C) internal compartmentalization. 
D) ribosomes.

Question 16

Plasmodesmata and gap junctions are similar in that they:

Accepted Answer

A) provide structural support to cells. 
B) are both involved in protein synthesis. 
C) form a protective lining around cells. 
D) allow cells to communicate with each other. 
A) provide structural support to cells. 
B) are both involved in protein synthesis. 
C) form a protective lining around cells. 
D) allow cells to communicate with each other.

Question 17

Match between columns
                        Premises: The "power plants" of the cell
A network of membranes studded with ribosomes
Modifies,stores,and ships proteins
The site of lipid synthesis
Serves as the site of protein synthesis

Accepted Answer

The Answer of smooth endoplasmic reticulum and rough endoplasmic reticulum is...

Question 18

________ are the fundamental units of life.

Accepted Answer

A) Organelles 
B) Tissues 
C) Cells 
D) Organisms 
A) Organelles 
B) Tissues 
C) Cells 
D) Organisms

Question 19

Ribosomes are found only in plant cells.

Accepted Answer

A) True 
 B)False

Exam 4: Lifes Home: the Cell

Which of the following are associated with energy transfer in eukaryotic cells?

The large central vacuole of plants:

Harmful substances are detoxified within the cell by the ________.

Insulin is a protein made in large amounts in cells of the pancreas.These cells secrete insulin into the blood,where it controls the uptake of sugar by body cells.How is insulin transported from the ER to the surface of the cell?

Which structures are in a plant cell and not in an animal cell? Which organelle would you find in an animal cell but not a plant cell?

Which of the following is a function of the nucleolus?

Many antibiotics work by blocking the function of ribosomes.Therefore,these antibiotics will:

Tiny holes that are channels between animal cells are called gap junctions.

Which organelles are believed to have originated from free-standing bacteria ingested by ancient eukaryotic cells?

People with oxidative phosphorylation disorders suffer a lack of energy that can lead to diminished function of nerve and muscle cells.The organelle most likely to be altered in oxidative phosphorylation disorders is the:

Animal cells contain centrioles and chloroplasts.

Which of the following is the correct order of events in a cell?

mRNA carries a code from the ________ to make a particular polypeptide.

Lysosomes are responsible for producing ATP from the metabolism of food.

Prokaryotic cells lack:

Plasmodesmata and gap junctions are similar in that they:

________ are the fundamental units of life.

Ribosomes are found only in plant cells.

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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