Question 1

What processes maintain a steady state "resting" membrane potential?

Accepted Answer

Both diffusion and active tran

Question 2

Passive membrane transport processes include __________ .

Accepted Answer

A)  movement of water from an area of high solute concentration to an area of low concentration 
B)  consumption of ATP 
C)  the use of transport proteins when moving substances from areas of low to high concentration 
D)  movement of a substance down its concentration gradient 
A)  movement of water from an area of high solute concentration to an area of low concentration 
B)  consumption of ATP 
C)  the use of transport proteins when moving substances from areas of low to high concentration 
D)  movement of a substance down its concentration gradient

Question 3

Enzymes and proteins needed for cell division are synthesizes and put into place during G₂ phase.

Accepted Answer

A) True 
 B)False

Question 4

Peroxisomes __________.

Accepted Answer

A)  function to digest particles ingested by endocytosis 
B)  are able to detoxify substances by enzymatic action 
C)  are functionally the same as lysosomes 
D)  sometimes function as secretory vesicles 
A)  function to digest particles ingested by endocytosis 
B)  are able to detoxify substances by enzymatic action 
C)  are functionally the same as lysosomes 
D)  sometimes function as secretory vesicles

Question 5

The glycocalyx is composed of glycolipids, glycoproteins, and cholesterol molecules that are displayed on the outside surface of the plasma membrane.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

Accepted Answer

A)  stereocilia 
B)  flagella 
C)  primary cilia 
D)  microvilli 
A)  stereocilia 
B)  flagella 
C)  primary cilia 
D)  microvilli

Question 7

If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb nutrients, it will likely utilize __________ .

Accepted Answer

A)  receptor-mediated endocytosis 
B)  exocytosis 
C)  pinocytosis 
D)  phagocytosis 
A)  receptor-mediated endocytosis 
B)  exocytosis 
C)  pinocytosis 
D)  phagocytosis

Question 8

Why can we say that cells are protein factories?

Accepted Answer

Most of the metabolic machiner

Question 9

How are peroxisomes different from lysosomes?

Accepted Answer

Peroxisomes contain oxidases that use ox

Question 10

Which organelle is responsible for processing and packaging proteins destined for export from the cell?

Accepted Answer

A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  peroxisomes 
D)  lysosomes 
A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  peroxisomes 
D)  lysosomes

Question 11

Which of the following is NOT one of the concepts collectively known as the cell theory?

Accepted Answer

A)  All organisms are made of one or more cells. 
B)  The cell is the smallest unit of life. 
C)  Cells only arise from other cells. 
D)  All cells must be motile and divide. 
A)  All organisms are made of one or more cells. 
B)  The cell is the smallest unit of life. 
C)  Cells only arise from other cells. 
D)  All cells must be motile and divide.

Question 12

Interstitial fluid represents one type of extracellular material.

Accepted Answer

A) True 
 B)False

Question 13

Mitochondria __________.

Accepted Answer

A)  contain digestive enzymes called acid hydrolyses 
B)  contain some of the DNA and RNA code necessary for their own function 
C)  are single-membrane structures involved in the breakdown of ATP 
D)  synthesize proteins for use outside the cell 
A)  contain digestive enzymes called acid hydrolyses 
B)  contain some of the DNA and RNA code necessary for their own function 
C)  are single-membrane structures involved in the breakdown of ATP 
D)  synthesize proteins for use outside the cell

Question 14

If active transport establishes a concentration gradient with the use of ATP, then the concentration gradient can be looked at as_________ .

Accepted Answer

A)  an unusable byproduct of active transport that will simply diffuse away 
B)  a byproduct of active transport that will be alleviated by pinocytosis 
C)  unwanted pressure that will be alleviated by channel mediated facilitated diffusion 
D)  potential energy that can be harnessed when molecules passively diffuse down the concentration gradient 
A)  an unusable byproduct of active transport that will simply diffuse away 
B)  a byproduct of active transport that will be alleviated by pinocytosis 
C)  unwanted pressure that will be alleviated by channel mediated facilitated diffusion 
D)  potential energy that can be harnessed when molecules passively diffuse down the concentration gradient

Question 15

Your patient has a respiratory disease that has literally paralyzed the cilia. Explain why this patient would be at an increased risk for a respiratory infection.

Accepted Answer

Ciliated cells that live in the respirat

Question 16

The functions of centrioles include __________.

Accepted Answer

A)  serving as the site for ribosomal RNA synthesis 
B)  organizing the mitotic spindle in cell division 
C)  providing a whiplike beating motion to move substances along cell surfaces 
D)  producing ATP 
A)  serving as the site for ribosomal RNA synthesis 
B)  organizing the mitotic spindle in cell division 
C)  providing a whiplike beating motion to move substances along cell surfaces 
D)  producing ATP

Question 17

Microtubules are hollow tubes made of subunits of the protein tubulin.

Accepted Answer

A) True 
 B)False

Question 18

Dividing cells must pass through the phases of mitosis in the following order: Prophase, Metaphase, Anaphase, and Telophase.

Accepted Answer

A) True 
 B)False

Question 19

Some hormones enter cells via __________.

Accepted Answer

A)  primary active transport 
B)  exocytosis 
C)  receptor-mediated endocytosis 
D)  pinocytosis 
A)  primary active transport 
B)  exocytosis 
C)  receptor-mediated endocytosis 
D)  pinocytosis

Question 20

The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a _________.

Accepted Answer

A)  ribosome 
B)  chromosome 
C)  centriole 
D)  centrosome 
A)  ribosome 
B)  chromosome 
C)  centriole 
D)  centrosome

What processes maintain a steady state "resting" membrane potential?

Passive membrane transport processes include __________ .

Enzymes and proteins needed for cell division are synthesizes and put into place during G₂ phase.

Peroxisomes __________.

The glycocalyx is composed of glycolipids, glycoproteins, and cholesterol molecules that are displayed on the outside surface of the plasma membrane.

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb nutrients, it will likely utilize __________ .

Why can we say that cells are protein factories?

How are peroxisomes different from lysosomes?

Which organelle is responsible for processing and packaging proteins destined for export from the cell?

Which of the following is NOT one of the concepts collectively known as the cell theory?

Interstitial fluid represents one type of extracellular material.

Mitochondria __________.

If active transport establishes a concentration gradient with the use of ATP, then the concentration gradient can be looked at as_________ .

Your patient has a respiratory disease that has literally paralyzed the cilia. Explain why this patient would be at an increased risk for a respiratory infection.

The functions of centrioles include __________.

Microtubules are hollow tubes made of subunits of the protein tubulin.

Dividing cells must pass through the phases of mitosis in the following order: Prophase, Metaphase, Anaphase, and Telophase.

Some hormones enter cells via __________.

The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a _________.

The Human Body: an Orientation

Chemistry Comes Alive

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters

Exam 3: Cells: the Living Units

What processes maintain a steady state "resting" membrane potential?

Passive membrane transport processes include __________ .

Enzymes and proteins needed for cell division are synthesizes and put into place during G₂ phase.

Peroxisomes __________.

The glycocalyx is composed of glycolipids, glycoproteins, and cholesterol molecules that are displayed on the outside surface of the plasma membrane.

Which of the following structures would aid a cell in allowing more nutrients to be absorbed by the cell?

If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb nutrients, it will likely utilize __________ .

Why can we say that cells are protein factories?

How are peroxisomes different from lysosomes?

Which organelle is responsible for processing and packaging proteins destined for export from the cell?

Which of the following is NOT one of the concepts collectively known as the cell theory?

Interstitial fluid represents one type of extracellular material.

Mitochondria __________.

If active transport establishes a concentration gradient with the use of ATP, then the concentration gradient can be looked at as_________ .

Your patient has a respiratory disease that has literally paralyzed the cilia. Explain why this patient would be at an increased risk for a respiratory infection.

The functions of centrioles include __________.

Microtubules are hollow tubes made of subunits of the protein tubulin.

Dividing cells must pass through the phases of mitosis in the following order: Prophase, Metaphase, Anaphase, and Telophase.

Some hormones enter cells via __________.

The electron microscope has revealed that one of the components within the cell consists of pinwheel array of 9 triplets of microtubules arranged to form a hollow tube. This structure is a _________.

The Human Body: an Orientation

Chemistry Comes Alive

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters