Question 1

The ________ is an organelle where some of the proteins synthesized on ribosomes and rough ER are processed.

Accepted Answer

The answer of The ________ is an organelle where some...

Question 2

Which of the following is a FALSE statement about prokaryotes?

Accepted Answer

A) Prokaryotes are so small that they can be seen only with an electron microscope. 
B) Prokaryotes have a plasma membrane, similar to that of eukaryotes. 
C) Some prokaryotes are photosynthetic, yet they lack chloroplasts. 
D) Encapsulated prokaryotes are less susceptible to drying out than nonencapsulated prokaryotes. 
A) Prokaryotes are so small that they can be seen only with an electron microscope. 
B) Prokaryotes have a plasma membrane, similar to that of eukaryotes. 
C) Some prokaryotes are photosynthetic, yet they lack chloroplasts. 
D) Encapsulated prokaryotes are less susceptible to drying out than nonencapsulated prokaryotes.

Question 3

Mitochondria and chloroplasts share all of the following characteristics EXCEPT that they:

Accepted Answer

A) are capable of ATP synthesis. 
B) capture the energy of sunlight to meet metabolic demands. 
C) possess their own DNA. 
D) are surrounded by a double membrane. 
E) were originally independent organisms. 
A) are capable of ATP synthesis. 
B) capture the energy of sunlight to meet metabolic demands. 
C) possess their own DNA. 
D) are surrounded by a double membrane. 
E) were originally independent organisms.

Question 4

Digests damaged organelles

Accepted Answer

A)  Mitochondrion 
B)  Golgi apparatus 
C)  Rough endoplasmic reticulum 
D)  Lysosome 
E)  Smooth endoplasmic reticulum 
A)  Mitochondrion 
B)  Golgi apparatus 
C)  Rough endoplasmic reticulum 
D)  Lysosome 
E)  Smooth endoplasmic reticulum

Question 5

All of the following are dependent on cilia EXCEPT the:

Accepted Answer

A) oviduct in mammals. 
B) respiratory tract of vertebrates. 
C) sperm of animals. 
D) gills of oysters. 
A) oviduct in mammals. 
B) respiratory tract of vertebrates. 
C) sperm of animals. 
D) gills of oysters.

Question 6

All cells possess all of the following components EXCEPT:

Accepted Answer

A) cytoplasm. 
B) genetic material. 
C) a nuclear membrane. 
D) a plasma cell membrane. 
E) ribosomes. 
A) cytoplasm. 
B) genetic material. 
C) a nuclear membrane. 
D) a plasma cell membrane. 
E) ribosomes.

Question 7

What size, in diameter, are most single cells?

Accepted Answer

from 1 to

Question 8

Which of the following is visible ONLY with an electron microscope?

Accepted Answer

A) eukaryotic cell 
B) prokaryotic cell 
C) mitochondrion 
D) large protein 
A) eukaryotic cell 
B) prokaryotic cell 
C) mitochondrion 
D) large protein

Question 9

When a cell grows, it must produce more plasma membrane material. How does the cell do this?

Accepted Answer

An ER vesicle is sent off to t

Question 10

No prokaryotic cells have:

Accepted Answer

A) flagella. 
B) ribosomes. 
C) cytoplasm. 
D) cilia. 
E) genes. 
A) flagella. 
B) ribosomes. 
C) cytoplasm. 
D) cilia. 
E) genes.

Question 11

How does a cell rid itself of defective or malfunctioning organelles?

Accepted Answer

A) The organelles are engulfed by plastids and stored. 
B) Defective organelles accumulate until the cell itself dies. 
C) Lysosomes assist in the removal of defective organelles by digesting them. 
D) Ribosomes remove malfunctioning organelles by degrading the parts. 
E) The organelles are exported by phagocytosis. 
A) The organelles are engulfed by plastids and stored. 
B) Defective organelles accumulate until the cell itself dies. 
C) Lysosomes assist in the removal of defective organelles by digesting them. 
D) Ribosomes remove malfunctioning organelles by degrading the parts. 
E) The organelles are exported by phagocytosis.

Question 12

The ________ in prokaryotic cells may help some pathogenic bacteria evade their host's immune system and attach to host cells.

Accepted Answer

capsule or

Question 13

How is the vacuole involved in the support of non-woody parts of the plant?

Accepted Answer

The vacuole allows f

Question 14

If all of the lysosomes within a cell suddenly ruptured, what could occur?

Accepted Answer

A) The biological molecules in the cell would begin to degrade. 
B) The number of proteins in the cell would begin to increase. 
C) The DNA within the mitochondria would begin to degrade. 
D) The mitochondria and chloroplasts would begin to divide. 
E) There would be no change in the normal function of the cell. 
A) The biological molecules in the cell would begin to degrade. 
B) The number of proteins in the cell would begin to increase. 
C) The DNA within the mitochondria would begin to degrade. 
D) The mitochondria and chloroplasts would begin to divide. 
E) There would be no change in the normal function of the cell.

Question 15

If a cell contains large amounts of rough ER, then:

Accepted Answer

A) few, if any, enzymes for biochemical processes are manufactured by that cell. 
B) membrane proteins and phospholipids are lacking in the cell. 
C) digestive enzymes cannot be manufactured by that cell. 
D) membrane lipids could be produced by that cell. 
E) large amounts of protein hormones could be exported by the cell. 
A) few, if any, enzymes for biochemical processes are manufactured by that cell. 
B) membrane proteins and phospholipids are lacking in the cell. 
C) digestive enzymes cannot be manufactured by that cell. 
D) membrane lipids could be produced by that cell. 
E) large amounts of protein hormones could be exported by the cell.

Question 16

Ribosomes are the site of synthesis of:

Accepted Answer

A) DNA. 
B) RNA. 
C) proteins. 
D) nucleoli. 
E) glucose. 
A) DNA. 
B) RNA. 
C) proteins. 
D) nucleoli. 
E) glucose.

Question 17

Which of the following does NOT possess a double membrane?

Accepted Answer

A) mitochondrion 
B) nuclear envelope 
C) ribosome 
D) plastid 
E) chloroplast 
A) mitochondrion 
B) nuclear envelope 
C) ribosome 
D) plastid 
E) chloroplast

Question 18

Cells that have a nucleus are referred to as ________ cells; those that lack a true nucleus are called ________ cells.

Accepted Answer

eukaryotic

Question 19

Why is the cytoskeleton such an important structural component of cells?

Accepted Answer

The cytoskeleton maintains cel

Question 20

Which of the following relationships is FALSE?

Accepted Answer

A) cell wallsupport and protection 
B) chloroplastschief site of lipid synthesis 
C) nucleusgenetic information 
D) ribosomessite of protein synthesis 
E) mitochondriaformation of ATP 
A) cell wallsupport and protection 
B) chloroplastschief site of lipid synthesis 
C) nucleusgenetic information 
D) ribosomessite of protein synthesis 
E) mitochondriaformation of ATP

Exam 4: Cell Structure and Function

The ________ is an organelle where some of the proteins synthesized on ribosomes and rough ER are processed.

Which of the following is a FALSE statement about prokaryotes?

Mitochondria and chloroplasts share all of the following characteristics EXCEPT that they:

Digests damaged organelles

All of the following are dependent on cilia EXCEPT the:

All cells possess all of the following components EXCEPT:

What size, in diameter, are most single cells?

Which of the following is visible ONLY with an electron microscope?

When a cell grows, it must produce more plasma membrane material. How does the cell do this?

No prokaryotic cells have:

How does a cell rid itself of defective or malfunctioning organelles?

The ________ in prokaryotic cells may help some pathogenic bacteria evade their host's immune system and attach to host cells.

How is the vacuole involved in the support of non-woody parts of the plant?

If all of the lysosomes within a cell suddenly ruptured, what could occur?

If a cell contains large amounts of rough ER, then:

Ribosomes are the site of synthesis of:

Which of the following does NOT possess a double membrane?

Cells that have a nucleus are referred to as ________ cells; those that lack a true nucleus are called ________ cells.

Why is the cytoskeleton such an important structural component of cells?

Which of the following relationships is FALSE?

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

The Continuity of Life: Cellular Reproduction

Patterns of Inheritance

Dna: the Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amidst Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

How Do Ecosystems Work

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

Filters

Cells that have a nucleus are referred to as cells; those that lack a true nucleus are called cells.