Question 1

How do cells avoid surface area limitations?

Accepted Answer

A)  all of the choices 
B)  flattened shape 
C)  long and thin shape 
D)  transportation system that circulates materials inside the cell 
E)  many microscopic extensions 
A)  all of the choices 
B)  flattened shape 
C)  long and thin shape 
D)  transportation system that circulates materials inside the cell 
E)  many microscopic extensions

Question 2

A cytoskeleton is

Accepted Answer

A)  a structure that aids in the process of cell division. 
B)  found in the cytoplasm of eukaryotic cells. 
C)  a system of tracks used for transport. 
D)  composed of microtubules and microfilaments. 
E)  All answers are correct. 
A)  a structure that aids in the process of cell division. 
B)  found in the cytoplasm of eukaryotic cells. 
C)  a system of tracks used for transport. 
D)  composed of microtubules and microfilaments. 
E)  All answers are correct.

Question 3

If you collected and external part of a eukaryotic plasma membrane,and chemical tests showed that it was made of cellulose,you would expect to see plasmodesmata if observed with an electron microscope.

Accepted Answer

A) True 
 B)False

Question 4

The three domains in the Woese system of classification are

Accepted Answer

A)  Bacteria, Animalia, and Plantae. 
B)  Fungi, Protista, and Animalia. 
C)  Archaea, Eukarya, and Protista. 
D)  Monera, Bacteria, and Eukarya. 
E)  Archaea, Bacteria, and Eukarya. 
A)  Bacteria, Animalia, and Plantae. 
B)  Fungi, Protista, and Animalia. 
C)  Archaea, Eukarya, and Protista. 
D)  Monera, Bacteria, and Eukarya. 
E)  Archaea, Bacteria, and Eukarya.

Question 5

The function of the nucleolus is

Accepted Answer

A)  protein synthesis. 
B)  photosynthesis. 
C)  to transport materials out of the nucleus. 
D)  to assemble components of ribosomes. 
E)  to assemble DNA. 
A)  protein synthesis. 
B)  photosynthesis. 
C)  to transport materials out of the nucleus. 
D)  to assemble components of ribosomes. 
E)  to assemble DNA.

Question 6

Flagella can be

Accepted Answer

A)  found on prokaryotic cells. 
B)  found on human sperm. 
C)  used for movement. 
D)  found on eukaryotic cells. 
E)  All of the answer choices are correct. 
A)  found on prokaryotic cells. 
B)  found on human sperm. 
C)  used for movement. 
D)  found on eukaryotic cells. 
E)  All of the answer choices are correct.

Question 7

Bacteria with magnetosomes swim based on the direction of the

Accepted Answer

A)  magnetic fields. 
B)  gravity. 
C)  sunlight. 
D)  moving water. 
E)  turbulence. 
A)  magnetic fields. 
B)  gravity. 
C)  sunlight. 
D)  moving water. 
E)  turbulence.

Question 8

In most mammals,the mitochondrial DNA is inherited from

Accepted Answer

A)  the father only. 
B)  the mother and father. 
C)  either parent. 
D)  the mother only. 
E)  Mitochondria are not found in mammals. 
A)  the father only. 
B)  the mother and father. 
C)  either parent. 
D)  the mother only. 
E)  Mitochondria are not found in mammals.

Question 9

A protein channel linking the cytoplasm of adjacent cells is called

Accepted Answer

A)  a tight junction. 
B)  a gap junction. 
C)  an adhering junction. 
D)  an adjacent junctions. 
E)  a microtubular junction. 
A)  a tight junction. 
B)  a gap junction. 
C)  an adhering junction. 
D)  an adjacent junctions. 
E)  a microtubular junction.

Question 10

Which component of the cell theory argues against life on Earth evolving from inorganic molecules?

Accepted Answer

A)  All organisms are made of one or more cells. 
B)  The cell is the fundamental unit of all life. 
C)  All cells come from preexisting cells. 
D)  Cells are small in size. 
E)  All cells are either prokaryotic or eukaryotic. 
A)  All organisms are made of one or more cells. 
B)  The cell is the fundamental unit of all life. 
C)  All cells come from preexisting cells. 
D)  Cells are small in size. 
E)  All cells are either prokaryotic or eukaryotic.

Question 11

The theory of endosymbiosis is based on

Accepted Answer

A)  the knowledge that ribosomes are structures found in bacteria, plants, and animals. 
B)  the experiments in which bacteria were grown in plant cells and formed chloroplasts. 
C)  the knowledge that chloroplasts and mitochondria resemble bacteria. 
D)  evidence from the fossil record. 
E)  similarities between chloroplasts and other organelles in animals. 
A)  the knowledge that ribosomes are structures found in bacteria, plants, and animals. 
B)  the experiments in which bacteria were grown in plant cells and formed chloroplasts. 
C)  the knowledge that chloroplasts and mitochondria resemble bacteria. 
D)  evidence from the fossil record. 
E)  similarities between chloroplasts and other organelles in animals.

Question 12

If you were examining a plasmodesma under a microscope,you would expect to find a plant cell at each end.

Accepted Answer

A) True 
 B)False

Question 13

The scientist given credit for adding the third component to the cell theory,all cells come from preexisting cells,was

Accepted Answer

A)  Robert Hooke. 
B)  Theodor Schwann. 
C)  Rudolf Virchow. 
D)  Carl Woese. 
E)  J. Craig Venter. 
A)  Robert Hooke. 
B)  Theodor Schwann. 
C)  Rudolf Virchow. 
D)  Carl Woese. 
E)  J. Craig Venter.

Question 14

Which of the following is not a characteristic of an animal cell membrane?

Accepted Answer

A)  It has a fluid structure. 
B)  It has a rigid structure. 
C)  It has a fluid mosaic structure. 
D)  It has a bilayer of phospholipids. 
E)  It contains cholesterol. 
A)  It has a fluid structure. 
B)  It has a rigid structure. 
C)  It has a fluid mosaic structure. 
D)  It has a bilayer of phospholipids. 
E)  It contains cholesterol.

Question 15

Which of the following are the primary components of the cell membrane and contribute to its semi-permeability property?

Accepted Answer

A)  cholesterols 
B)  proteins 
C)  phospholipids 
D)  enzymes 
E)  sugars 
A)  cholesterols 
B)  proteins 
C)  phospholipids 
D)  enzymes 
E)  sugars

Question 16

Which of the following are recycling centers for cells?

Accepted Answer

A)  ribosomes and Golgi apparatus 
B)  endoplasmic reticulum and chloroplasts 
C)  mitochondria and nucleus 
D)  central vacuole and lysosomes 
E)  All answers choices are correct. 
A)  ribosomes and Golgi apparatus 
B)  endoplasmic reticulum and chloroplasts 
C)  mitochondria and nucleus 
D)  central vacuole and lysosomes 
E)  All answers choices are correct.

Exam 3: Cells

How do cells avoid surface area limitations?

A cytoskeleton is

If you collected and external part of a eukaryotic plasma membrane,and chemical tests showed that it was made of cellulose,you would expect to see plasmodesmata if observed with an electron microscope.

The three domains in the Woese system of classification are

The function of the nucleolus is

Flagella can be

Bacteria with magnetosomes swim based on the direction of the

In most mammals,the mitochondrial DNA is inherited from

A protein channel linking the cytoplasm of adjacent cells is called

Which component of the cell theory argues against life on Earth evolving from inorganic molecules?

The theory of endosymbiosis is based on

If you were examining a plasmodesma under a microscope,you would expect to find a plant cell at each end.

The scientist given credit for adding the third component to the cell theory,all cells come from preexisting cells,was

Which of the following is not a characteristic of an animal cell membrane?

Which of the following are the primary components of the cell membrane and contribute to its semi-permeability property?

Which of the following are recycling centers for cells?

The Scientific Study of Life

The Chemistry of Life

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters