Question 1

Microtubules

Accepted Answer

A) are composed mostly of lipid. 
B) form a spindle that distributes chromosomes in an orderly manner. 
C) may be associated with metabolism. 
D) are found in the nucleus. 
E) are composed of actin. 
A) are composed mostly of lipid. 
B) form a spindle that distributes chromosomes in an orderly manner. 
C) may be associated with metabolism. 
D) are found in the nucleus. 
E) are composed of actin. B

Question 2

Which is NOT a correct association of cell organelles and function?

Accepted Answer

A) lysosome-intracellular digestion 
B) mitochondrion-cell respiration 
C) ribosome-production of proteins 
D) cell wall-regulate molecule passage in and out of animal cells 
E) vacuole-storage of chemicals 
A) lysosome-intracellular digestion 
B) mitochondrion-cell respiration 
C) ribosome-production of proteins 
D) cell wall-regulate molecule passage in and out of animal cells 
E) vacuole-storage of chemicals D

Question 3

The cell theory states

Accepted Answer

A) all organisms are composed of only one cell. 
B) organelles are the basic living unit of structure and function of organisms. 
C) all cells come only from other cells. 
D) all organisms are composed of only one cell AND organelles are the basic living unit of structure and function of organisms. 
E) all multicellular organisms are unicellular at some point in their life cycle. 
A) all organisms are composed of only one cell. 
B) organelles are the basic living unit of structure and function of organisms. 
C) all cells come only from other cells. 
D) all organisms are composed of only one cell AND organelles are the basic living unit of structure and function of organisms. 
E) all multicellular organisms are unicellular at some point in their life cycle. C

Question 4

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

Accepted Answer

A) invagination of the plasma membrane to form endoplasmic reticulum. 
B) incorporation of engulfed heterotrophic bacteria to form mitochondria. 
C) incorporation of engulfed autotrophic cyanobacteria to form chloroplasts. 
D) a symbiotic relationship between a host cell and a prokaryote that was taken up but not destroyed. 
E) groups of prokaryotic cells begin to live in a small group,sharing products of metabolism. 
A) invagination of the plasma membrane to form endoplasmic reticulum. 
B) incorporation of engulfed heterotrophic bacteria to form mitochondria. 
C) incorporation of engulfed autotrophic cyanobacteria to form chloroplasts. 
D) a symbiotic relationship between a host cell and a prokaryote that was taken up but not destroyed. 
E) groups of prokaryotic cells begin to live in a small group,sharing products of metabolism.

Question 5

The failure of which organelle during development can result in a child being born with webbed toes?

Accepted Answer

A) lysosomes 
B) peroxisomes 
C) vacuoles 
D) rough ER 
E) Golgi apparati 
A) lysosomes 
B) peroxisomes 
C) vacuoles 
D) rough ER 
E) Golgi apparati

Question 6

According to cell theory

Accepted Answer

A) all organisms are composed of tissues. 
B) the smallest unit of life is a nucleus. 
C) animals but not plants are composed of cells. 
D) a multicellular organism is composed of many cells. 
E) new cells arise only from preexisting cells. 
A) all organisms are composed of tissues. 
B) the smallest unit of life is a nucleus. 
C) animals but not plants are composed of cells. 
D) a multicellular organism is composed of many cells. 
E) new cells arise only from preexisting cells.

Question 7

In moving from the outside environment to the inside of a bacterium,the first layer encountered would be

Accepted Answer

A) the nucleus. 
B) the capsule. 
C) the cell wall. 
D) the cell membrane. 
E) the DNA. 
A) the nucleus. 
B) the capsule. 
C) the cell wall. 
D) the cell membrane. 
E) the DNA.

Question 8

Which organelle primarily functions to package or regulate the production of H2O2?

Accepted Answer

A) lysosome 
B) vacuole 
C) Golgi apparatus 
D) endoplasmic reticulum 
E) peroxisome 
A) lysosome 
B) vacuole 
C) Golgi apparatus 
D) endoplasmic reticulum 
E) peroxisome

Question 9

Cellular respiration is best associated with the

Accepted Answer

A) Golgi apparatus. 
B) ribosome. 
C) mitochondrion. 
D) chloroplast. 
E) microtubule. 
A) Golgi apparatus. 
B) ribosome. 
C) mitochondrion. 
D) chloroplast. 
E) microtubule.

Question 10

Which of the following structures are NOT found in the cytoplasm?

Accepted Answer

A) mitochondria 
B) chloroplast 
C) chromosomes 
D) nucleus 
E) lysosome 
A) mitochondria 
B) chloroplast 
C) chromosomes 
D) nucleus 
E) lysosome

Question 11

Which is NOT a correct association of cell organelles and their structure?

Accepted Answer

A) cell wall-cellulose fibers and lignin 
B) centriole-microtubules 
C) endoplasmic reticulum-concentrated chromatin,RNA,and nucleoli 
D) plasma membrane-two layers of phospholipids with embedded proteins 
E) ribosome-RNA and protein in two subunits 
A) cell wall-cellulose fibers and lignin 
B) centriole-microtubules 
C) endoplasmic reticulum-concentrated chromatin,RNA,and nucleoli 
D) plasma membrane-two layers of phospholipids with embedded proteins 
E) ribosome-RNA and protein in two subunits

Question 12

Kinesin and dynein are associated with

Accepted Answer

A) microtubules. 
B) actin filaments. 
C) Golgi apparatus. 
D) intermediate filaments. 
E) endoplasmic reticulum. 
A) microtubules. 
B) actin filaments. 
C) Golgi apparatus. 
D) intermediate filaments. 
E) endoplasmic reticulum.

Question 13

List the key differences between archaea and bacteria.

Accepted Answer

Answers may vary but should include the

Question 14

Within eukaryotic cells,the ____ is surrounded by a double membrane and carries the coding that determines protein synthesis.

Accepted Answer

A) smooth endoplasmic reticulum 
B) chloroplast 
C) nucleolus 
D) nucleus 
E) rough endoplasmic reticulum 
A) smooth endoplasmic reticulum 
B) chloroplast 
C) nucleolus 
D) nucleus 
E) rough endoplasmic reticulum

Question 15

The "powerhouse" of the cell is the

Accepted Answer

A) chloroplast. 
B) mitochondria. 
C) Golgi apparatus. 
D) ribosome. 
E) centriole. 
A) chloroplast. 
B) mitochondria. 
C) Golgi apparatus. 
D) ribosome. 
E) centriole.

Question 16

Since cyanobacteria do not contain chloroplasts and yet they photosynthesize,chloroplasts are not required for photosynthesis.

Accepted Answer

A) True 
 B)False

Question 17

If a cell lacked ribosomes,it would NOT be able to

Accepted Answer

A) form a spindle apparatus. 
B) synthesize proteins. 
C) respire. 
D) hydrolyze fat. 
E) form a Golgi vesicle. 
A) form a spindle apparatus. 
B) synthesize proteins. 
C) respire. 
D) hydrolyze fat. 
E) form a Golgi vesicle.

Question 18

Which nuclear structure(s)contain(s)the hereditary material?

Accepted Answer

A) nuclear envelope 
B) chloroplasts 
C) chromatin 
D) nucleoplasm 
E) mitochondria 
A) nuclear envelope 
B) chloroplasts 
C) chromatin 
D) nucleoplasm 
E) mitochondria

Question 19

Proteins are processed and modified in the interior of the

Accepted Answer

A) mitochondria. 
B) nucleus. 
C) chloroplasts. 
D) rough endoplasmic reticulum. 
E) smooth endoplasmic reticulum. 
A) mitochondria. 
B) nucleus. 
C) chloroplasts. 
D) rough endoplasmic reticulum. 
E) smooth endoplasmic reticulum.

Question 20

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Accepted Answer

A) Ribosomes are associated with the surface of the rough ER. 
B) Ribosomes are associated with the surface of the smooth ER. 
C) The smooth ER functions in the synthesis of phospholipids. 
D) Smooth ER is continuous with rough ER. 
A) Ribosomes are associated with the surface of the rough ER. 
B) Ribosomes are associated with the surface of the smooth ER. 
C) The smooth ER functions in the synthesis of phospholipids. 
D) Smooth ER is continuous with rough ER.

Exam 3: Cell Structure and Function

Microtubules

Which is NOT a correct association of cell organelles and function?

The cell theory states

All of the following are possible origins of cell organelles in eukaryotes EXCEPT

The failure of which organelle during development can result in a child being born with webbed toes?

According to cell theory

In moving from the outside environment to the inside of a bacterium,the first layer encountered would be

Which organelle primarily functions to package or regulate the production of H2O2?

Cellular respiration is best associated with the

Which of the following structures are NOT found in the cytoplasm?

Which is NOT a correct association of cell organelles and their structure?

Kinesin and dynein are associated with

List the key differences between archaea and bacteria.

Within eukaryotic cells,the ____ is surrounded by a double membrane and carries the coding that determines protein synthesis.

The "powerhouse" of the cell is the

Since cyanobacteria do not contain chloroplasts and yet they photosynthesize,chloroplasts are not required for photosynthesis.

If a cell lacked ribosomes,it would NOT be able to

Which nuclear structure(s)contain(s)the hereditary material?

Proteins are processed and modified in the interior of the

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

The Study of Life

The Molecules of Cells

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Organization and Function

Plant Reproduction and Responses

Human Organization

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Development and Aging

Patterns of Gene Inheritance

Chromosomal Inheritance and Genetic Disorders

Dna Structure and Control of Gene Expression

Biotechnology and Genomics

Evolution of Life

Viruses, bacteria, and Archaea

Protistans

Plants

Animals: Part I

Animals Part II

Animal Behavior

Population Ecology

Nature of Ecosystems

The Biosphere

Environmental Concerns

Filters

Which organelle primarily functions to package or regulate the production of H₂O₂?