Question 1

Match the organelle with the appropriate statement.
-The breakdown of cellular debris occurs in this organelle

Accepted Answer

A) nucleus 
B) mitochondrion 
C) lysosome 
D) Golgi body 
E) rough endoplasmic reticulum 
A) nucleus 
B) mitochondrion 
C) lysosome 
D) Golgi body 
E) rough endoplasmic reticulum

Question 2

Match each cell structure represented by a letter with the appropriate question number.
-enzyme filled vesicle that breaks down amino acids,fatty acids,and toxic substances

Accepted Answer

A) peroxisomes 
B) chloroplasts 
C) Golgi bodies 
D) DNA molecules 
E) RNA molecules
F)central vacuoles
G)lysosomes
H)mitochondria
I)nucleoli
J)ribosomes 
A) peroxisomes 
B) chloroplasts 
C) Golgi bodies 
D) DNA molecules 
E) RNA molecules
F)central vacuoles
G)lysosomes
H)mitochondria
I)nucleoli
J)ribosomes

Question 3

Meat,fruits,and vegetables could be contaminated with E.coli strains toxic to humans when they come in contact with animal
I.  feces
II.  urine
III. blood

Accepted Answer

A)  I only 
B)  I and II 
C)  II and III 
D)  I and III 
E)  I, II, and III 
A)  I only 
B)  I and II 
C)  II and III 
D)  I and III 
E)  I, II, and III

Question 4

Why is surface area to volume ratio important for all cells?

Accepted Answer

A)  a cell must be small enough to absorb small molecules and atoms 
B)  if a cell has too small a surface area, the surface to volume ratio will be too large 
C)  if a cell has too large a surface area to volume ratio, the plasma membrane is not sufficient to deal with the increased amount of cytoplasm 
D)  surface area to volume ratios are only important for small cells, like bacteria 
E)  more than one of these is correct 
A)  a cell must be small enough to absorb small molecules and atoms 
B)  if a cell has too small a surface area, the surface to volume ratio will be too large 
C)  if a cell has too large a surface area to volume ratio, the plasma membrane is not sufficient to deal with the increased amount of cytoplasm 
D)  surface area to volume ratios are only important for small cells, like bacteria 
E)  more than one of these is correct

Question 5

Which of the following contain enzymes and are the main organelles of waste disposal?

Accepted Answer

A)  Golgi bodies 
B)  mitochondria 
C)  lysosomes 
D)  ribosomes 
E)  endoplasmic reticulum 
A)  Golgi bodies 
B)  mitochondria 
C)  lysosomes 
D)  ribosomes 
E)  endoplasmic reticulum

Question 6

What is the function of ribosomes?

Accepted Answer

A)  plasma membrane stabilization 
B)  receiving raw materials from the environment 
C)  polypeptide assembly 
D)  increasing tonicity 
E)  directing the activity of DNA 
A)  plasma membrane stabilization 
B)  receiving raw materials from the environment 
C)  polypeptide assembly 
D)  increasing tonicity 
E)  directing the activity of DNA

Question 7

Cilia and flagella

Accepted Answer

A)  are found only in cells that are actively moving. 
B)  are found only in sex cells and unicellular organisms. 
C)  use motor proteins to induce movement. 
D)  may also function as receptor sites for certain hormones. 
E)  are found only in one-celled organisms. 
A)  are found only in cells that are actively moving. 
B)  are found only in sex cells and unicellular organisms. 
C)  use motor proteins to induce movement. 
D)  may also function as receptor sites for certain hormones. 
E)  are found only in one-celled organisms.

Question 8

Extracellular matrix is made up of

Accepted Answer

A)  polysaccharides and fibrous proteins. 
B)  fibrous proteins and lipopolysaccharides. 
C)  polysaccharides and lipopolysaccharides. 
D)  fibrous proteins and complex lipids. 
E)  polysaccharides and complex lipids. 
A)  polysaccharides and fibrous proteins. 
B)  fibrous proteins and lipopolysaccharides. 
C)  polysaccharides and lipopolysaccharides. 
D)  fibrous proteins and complex lipids. 
E)  polysaccharides and complex lipids.

Question 9

If you could stick a microscopic pin into the center of a bacterium,what would the order of the structures you would encounter from the outside in?

Accepted Answer

A)  capsule, cell wall, plasma membrane, cytoplasm 
B)  cell wall, capsule, plasma membrane, cytoplasm 
C)  plasma membrane, cell wall, capsule, cytoplasm 
D)  cell wall, plasma membrane, capsule, cytoplasm 
E)  capsule, plasma membrane, cell wall, cytoplasm 
A)  capsule, cell wall, plasma membrane, cytoplasm 
B)  cell wall, capsule, plasma membrane, cytoplasm 
C)  plasma membrane, cell wall, capsule, cytoplasm 
D)  cell wall, plasma membrane, capsule, cytoplasm 
E)  capsule, plasma membrane, cell wall, cytoplasm

Question 10

An organelle that breaks down amino acids,fatty acids,and toxic substances is the

Accepted Answer

A)  peroxisome 
B)  Golgi body 
C)  mitochondrion 
D)  lysosome 
E)  smooth endoplasmic reticulum 
A)  peroxisome 
B)  Golgi body 
C)  mitochondrion 
D)  lysosome 
E)  smooth endoplasmic reticulum

Question 11

Which of the following is true about bacteria?

Accepted Answer

A)  some bacteria have nuclei 
B)  some bacteria have lipid bilayers enclosing their DNA 
C)  some bacteria do not have DNA 
D)  some bacteria do not have a cytoplasm 
E)  some bacteria lack a plasma membrane 
A)  some bacteria have nuclei 
B)  some bacteria have lipid bilayers enclosing their DNA 
C)  some bacteria do not have DNA 
D)  some bacteria do not have a cytoplasm 
E)  some bacteria lack a plasma membrane

Question 12

A pathogenic Escherichia coli strain would cause which of the following problems except one.Which of the following is the exception?

Accepted Answer

A)  blindness 
B)  diarrhea 
C)  paralysis 
D)  kidney failure 
E)  heart failure 
A)  blindness 
B)  diarrhea 
C)  paralysis 
D)  kidney failure 
E)  heart failure

Question 13

Elephants are large animals because they

Accepted Answer

A)  have bigger cells. 
B)  possess expandable cells. 
C)  are made of a greater number of cells. 
D)  have bigger cells and are made of a greater number of cells. 
E)  have bigger cells that are expandable and of greater number. 
A)  have bigger cells. 
B)  possess expandable cells. 
C)  are made of a greater number of cells. 
D)  have bigger cells and are made of a greater number of cells. 
E)  have bigger cells that are expandable and of greater number.

Question 14

Which of the following are primarily structures for the packaging of cellular secretions for export from the cell?

Accepted Answer

A)  Golgi bodies 
B)  mitochondria 
C)  lysosomes 
D)  ribosomes 
E)  endoplasmic reticulum 
A)  Golgi bodies 
B)  mitochondria 
C)  lysosomes 
D)  ribosomes 
E)  endoplasmic reticulum

Question 15

To see the structure of DNA,what type of microscope would you use?

Accepted Answer

A)  fluorescence microscope 
B)  phase contrast microscope 
C)  compound microscope 
D)  dissecting microscope 
E)  electron microscope 
A)  fluorescence microscope 
B)  phase contrast microscope 
C)  compound microscope 
D)  dissecting microscope 
E)  electron microscope

Question 16

MATCHING
Examine the following figure and answer,matching each letter of the figure with the appropriate question number.
  
-cell wall

Accepted Answer

The answer of MATCHING
Examine the following figure and answer,matching each...

Question 17

Match the organelle with the appropriate statement.
-This organelle is involved in lipid production and protein transport.

Accepted Answer

A) nucleus 
B) mitochondrion 
C) lysosome 
D) Golgi body 
E) rough endoplasmic reticulum 
A) nucleus 
B) mitochondrion 
C) lysosome 
D) Golgi body 
E) rough endoplasmic reticulum

Question 18

Which of the following is true about all E.coli?

Accepted Answer

A)  E.coli produce toxic proteins 
B)  E.coli is only found in cows, deer, goats, and sheep 
C)  E.coli is a common bacterium living in our intestines 
D)  E.coli originate from fresh produce 
E)  E.coli strains harmful to humans are also harmful to cattle 
A)  E.coli produce toxic proteins 
B)  E.coli is only found in cows, deer, goats, and sheep 
C)  E.coli is a common bacterium living in our intestines 
D)  E.coli originate from fresh produce 
E)  E.coli strains harmful to humans are also harmful to cattle

Question 19

The type of junction that connects microfilaments inside the cell to the ECM outside the cell are

Accepted Answer

A)  tight junctions. 
B)  adhering junctions. 
C)  gap junctions. 
D)  plasmodesmata. 
E)  both gap junctions and tight junctions. 
A)  tight junctions. 
B)  adhering junctions. 
C)  gap junctions. 
D)  plasmodesmata. 
E)  both gap junctions and tight junctions.

Question 20

No prokaryotic cells have

Accepted Answer

A)  ribosomes. 
B)  a nucleus. 
C)  cytoplasm. 
D)  a plasma membrane. 
E)  cell walls. 
A)  ribosomes. 
B)  a nucleus. 
C)  cytoplasm. 
D)  a plasma membrane. 
E)  cell walls.

Exam 3: Cell Structure

Match the organelle with the appropriate statement. -The breakdown of cellular debris occurs in this organelle

Match each cell structure represented by a letter with the appropriate question number. -enzyme filled vesicle that breaks down amino acids,fatty acids,and toxic substances

Meat,fruits,and vegetables could be contaminated with E.coli strains toxic to humans when they come in contact with animal I. feces II. urine III. blood

Why is surface area to volume ratio important for all cells?

Which of the following contain enzymes and are the main organelles of waste disposal?

What is the function of ribosomes?

Cilia and flagella

Extracellular matrix is made up of

If you could stick a microscopic pin into the center of a bacterium,what would the order of the structures you would encounter from the outside in?

An organelle that breaks down amino acids,fatty acids,and toxic substances is the

Which of the following is true about bacteria?

A pathogenic Escherichia coli strain would cause which of the following problems except one.Which of the following is the exception?

Elephants are large animals because they

Which of the following are primarily structures for the packaging of cellular secretions for export from the cell?

To see the structure of DNA,what type of microscope would you use?

MATCHING Examine the following figure and answer,matching each letter of the figure with the appropriate question number. -cell wall

Match the organelle with the appropriate statement. -This organelle is involved in lipid production and protein transport.

Which of the following is true about all E.coli?

The type of junction that connects microfilaments inside the cell to the ECM outside the cell are

No prokaryotic cells have

Invitation to Biology

Molecules of Life

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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