Question 1

E) coli strains toxic to humans live in the intestine of ____ without sickening them.
I. birds and frogs
II. goats and sheep
III. cattle and deer

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 2

If a protein or molecule is taken up by the cell and must be digested, to which cellular structure is it sent?

Accepted Answer

A)  the mitochondria 
B)  the lysosome 
C)  the rough endoplasmic reticulum 
D)  the smooth endoplasmic reticulum 
E)  the Golgi body 
A)  the mitochondria 
B)  the lysosome 
C)  the rough endoplasmic reticulum 
D)  the smooth endoplasmic reticulum 
E)  the Golgi body

Question 3

Which cell components are found in both plant and animal cells?

Accepted Answer

A)  nucleus, Golgi body, and chloroplasts 
B)  Golgi bodies, mitochondria, and endoplasmic reticula 
C)  vacuoles, cell wall, and mitochondria 
D)  vacuoles, cell wall, nucleus, and lysosomes 
E)  starch grains, chloroplasts, and lysosomes 
A)  nucleus, Golgi body, and chloroplasts 
B)  Golgi bodies, mitochondria, and endoplasmic reticula 
C)  vacuoles, cell wall, and mitochondria 
D)  vacuoles, cell wall, nucleus, and lysosomes 
E)  starch grains, chloroplasts, and lysosomes

Question 4

To visualize the structure of DNA, which has a width of 10 nm, which microscope would be best?

Accepted Answer

A)  fluorescence microscope 
B)  light microscope 
C)  staining microscope 
D)  polarized microscope 
E)  electron microscope 
A)  fluorescence microscope 
B)  light microscope 
C)  staining microscope 
D)  polarized microscope 
E)  electron microscope

Question 5

One of the generalizations of cell theory is that ____.

Accepted Answer

A)  all living organisms are made up of cells 
B)  all cells divide by meiosis 
C)  all cells have a nucleus 
D)  cells arise through spontaneous generation 
E)  growth is solely the result of cell division 
A)  all living organisms are made up of cells 
B)  all cells divide by meiosis 
C)  all cells have a nucleus 
D)  cells arise through spontaneous generation 
E)  growth is solely the result of cell division

Question 6

How does cell volume affect nutrient exchange between the cell and its external environment?

Accepted Answer

A)  Very large cells are the best adapted for nutrient exchange. 
B)  Very small cells are the best adapted for nutrient exchange. 
C)  Nutrient exchange is not impacted by cell volume. 
D)  The ratio of cell volume to surface area determines the efficiency of nutrient exchange. 
E)  Cells with a large volume and small surface area are well adapted for nutrient exchange. 
A)  Very large cells are the best adapted for nutrient exchange. 
B)  Very small cells are the best adapted for nutrient exchange. 
C)  Nutrient exchange is not impacted by cell volume. 
D)  The ratio of cell volume to surface area determines the efficiency of nutrient exchange. 
E)  Cells with a large volume and small surface area are well adapted for nutrient exchange.

Question 7

Match between columns
                        Premises: motor protein that interacts with microtubules to create movement in flagella and cilia
made of actin subunits and function in cell migration
motor protein that associates with microfilaments to generate muscle contraction
made of the protein tubulin and serve as dynamic scaffolding for the cell
form a meshwork that provides structure and resilience to the cell

Accepted Answer

The Answer of microtubules and microfilaments and myosin and dynein is...

Question 8

Which microscope visualizes specimens coated with a thin layer of metal?

Accepted Answer

A)  transmission electron microscope 
B)  scanning electron microscope 
C)  fluorescence microscope 
D)  phase-contrast microscope 
E)  compound microscope 
A)  transmission electron microscope 
B)  scanning electron microscope 
C)  fluorescence microscope 
D)  phase-contrast microscope 
E)  compound microscope

Question 9

Eukaryotic cells have their DNA enclosed in the _____.

Accepted Answer

A)  plasma membrane 
B)  nucleus 
C)  nucleoid 
D)  nuclear envelope 
E)  nucleotide 
A)  plasma membrane 
B)  nucleus 
C)  nucleoid 
D)  nuclear envelope 
E)  nucleotide

Question 10

____ are involved in the transfer of genetic information from one bacterial cell to another.

Accepted Answer

A)  Flagella 
B)  Pili 
C)  Cilia 
D)  Ribosomes 
E)  Bacterial chromosomes 
A)  Flagella 
B)  Pili 
C)  Cilia 
D)  Ribosomes 
E)  Bacterial chromosomes

Question 11

Which organelle functions in the recapture of energy from organic compounds?

Accepted Answer

A)  Golgi body 
B)  mitochondria 
C)  lysosome 
D)  ribosome 
E)  endoplasmic reticulum 
A)  Golgi body 
B)  mitochondria 
C)  lysosome 
D)  ribosome 
E)  endoplasmic reticulum

Question 12

Adhesion proteins are ____.

Accepted Answer

A)  embedded in the nuclear envelope 
B)  involved in binding to signaling molecules 
C)  involved in nutrient transport 
D)  found only in bacterial plasma membranes 
E)  needed to fasten cells together 
A)  embedded in the nuclear envelope 
B)  involved in binding to signaling molecules 
C)  involved in nutrient transport 
D)  found only in bacterial plasma membranes 
E)  needed to fasten cells together

Question 13

Which cellular component is common to all cell types?

Accepted Answer

A)  cell wall 
B)  mitochondria 
C)  cytoplasm 
D)  nucleus 
E)  endoplasmic reticulum 
A)  cell wall 
B)  mitochondria 
C)  cytoplasm 
D)  nucleus 
E)  endoplasmic reticulum

Question 14

If the size of a cell doubles, what will be its surface area to volume ratio?

Accepted Answer

A)  8:4 
B)  4:8 
C)  16:4 
D)  16:8 
E)  64:16 
A)  8:4 
B)  4:8 
C)  16:4 
D)  16:8 
E)  64:16

Question 15

____ are cellular structures that act like propellers to move a cell through fluid environments.

Accepted Answer

A)  Pili 
B)  Microvilli 
C)  Cilia 
D)  Flagella 
E)  Microfilaments 
A)  Pili 
B)  Microvilli 
C)  Cilia 
D)  Flagella 
E)  Microfilaments

Question 16

Which cellular component is considered an organelle?

Accepted Answer

A)  DNA 
B)  transport protein 
C)  plasma membrane 
D)  flagellum 
E)  ribosome 
A)  DNA 
B)  transport protein 
C)  plasma membrane 
D)  flagellum 
E)  ribosome

Question 17

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 unicellular 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 unicellular organisms

Question 18

The size of a cell is limited by the ____.

Accepted Answer

A)  lack of building materials 
B)  size of the organism 
C)  relationship between the volume of the cell and its surface area 
D)  job it does 
E)  materials it has to exchange 
A)  lack of building materials 
B)  size of the organism 
C)  relationship between the volume of the cell and its surface area 
D)  job it does 
E)  materials it has to exchange

Question 19

In which cell would you most likely find microtubules?

Accepted Answer

A)  leaf cells of cut flowers displayed in a vase 
B)  any cell from a deceased animal 
C)  neuronal cells that have completed their growth and migration during development 
D)  rapidly dividing tumor cells 
E)  muscle cells, which do not typically divide 
A)  leaf cells of cut flowers displayed in a vase 
B)  any cell from a deceased animal 
C)  neuronal cells that have completed their growth and migration during development 
D)  rapidly dividing tumor cells 
E)  muscle cells, which do not typically divide

Question 20

Extracellular matrix is typically composed of ____.

Accepted Answer

A)  polysaccharides and fibrous proteins 
B)  fibrous proteins and microtubules 
C)  polysaccharides and microfilaments 
D)  fibrous proteins and phospholipids 
E)  polysaccharides and phospholipids 
A)  polysaccharides and fibrous proteins 
B)  fibrous proteins and microtubules 
C)  polysaccharides and microfilaments 
D)  fibrous proteins and phospholipids 
E)  polysaccharides and phospholipids

Exam 3: Cell Structure

E) coli strains toxic to humans live in the intestine of ____ without sickening them. I. birds and frogs II. goats and sheep III. cattle and deer

If a protein or molecule is taken up by the cell and must be digested, to which cellular structure is it sent?

Which cell components are found in both plant and animal cells?

To visualize the structure of DNA, which has a width of 10 nm, which microscope would be best?

One of the generalizations of cell theory is that ____.

How does cell volume affect nutrient exchange between the cell and its external environment?

Which microscope visualizes specimens coated with a thin layer of metal?

Eukaryotic cells have their DNA enclosed in the _____.

____ are involved in the transfer of genetic information from one bacterial cell to another.

Which organelle functions in the recapture of energy from organic compounds?

Adhesion proteins are ____.

Which cellular component is common to all cell types?

If the size of a cell doubles, what will be its surface area to volume ratio?

____ are cellular structures that act like propellers to move a cell through fluid environments.

Which cellular component is considered an organelle?

Cilia and flagella ____.

The size of a cell is limited by the ____.

In which cell would you most likely find microtubules?

Extracellular matrix is typically composed of ____.

Invitation to Biology

Molecules of Life

Energy and Metabolism

Photosynthesis

Releasing Chemical Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Prokaryotes, Protists, and 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

Animal Reproduction and Development

Plant Form and Function

Life Cycles of Flowering Plants

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