Question 1

Microtubules form the structure of microvilli.

Accepted Answer

A) True 
 B)False

Question 2

What is the function of microfilaments?

Accepted Answer

The answer of What is the function of microfilaments?...

Question 3

Identify the letter that indicates telophase.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 4

Integral membrane proteins play important roles in certain transport mechanisms. What roles do they play in osmosis, facilitated diffusion, and active transport?

Accepted Answer

The answer of Integral membrane proteins play important roles in...

Question 5

List and define: A) three passive processes and B) three active processes that move substances across cell membranes. Give an example of a molecule that is moved by each process.

Accepted Answer

The answer of List and define: A) three passive processes...

Question 6

Proteins that will be exported from the cell are produced by

Accepted Answer

A)  ribosomes inside mitochondria 
B)  ribosomes found in lysosomes 
C)  ribosomes attached to rough endoplasmic reticulum 
D)  ribosomes attached to smooth endoplasmic reticulum

Question 7

Which of the following contributes to aging?

Accepted Answer

A)  increased synthesis of protein 
B)  viral invasion of cells 
C)  free radical damage to protein and DNA 
D)  decreased autoimmune response

Question 8

Meiosis occurs in two stages and results in two daughter cells that are identical to the original cell.

Accepted Answer

A) True 
 B)False

Question 9

Explain the difference between an oncogene and a proto-oncogene.

Accepted Answer

The answer of Explain the difference between an oncogene and...

Question 10

Which of the following is NOT characteristic of a cell's nucleus?

Accepted Answer

A)  Assembly of amino acids into proteins occurs in the nucleus. 
B)  The nucleolus synthesizes ribosomal RNA. 
C)  A pair of chromatids constitute a chromosome during cell division. 
D)  Assembly of ribosomes occurs in the nucleus.

Question 11

Which letter identifies the powerhouse of the cell?

Accepted Answer

A)  B 
B)  E 
C)  F 
D)  G

Question 12

Which letter identifies the organelle in the liver responsible for detoxification?

Accepted Answer

A)  A 
B)  B 
C)  H 
D)  I

Question 13

Lysosomes contain enzymes that digest the contents of phagocytic vesicles, pinocytic vesicles, and endosomes.

Accepted Answer

A) True 
 B)False

Question 14

Higher and higher dosages of the drug are needed to achieve the original effect. This could result in an increased possibility of overdose and increased drug dependence." This described drug-tolerance is due to increasing amounts of cellular _____.

Accepted Answer

The answer of Higher and higher dosages of the drug...

Question 15

The letter C is pointing to the _____.

Accepted Answer

The answer of The letter C is pointing to the...

Question 16

The transport process that moves oxygen from the air sacs in the lungs into surrounding blood vessels is called _____.

Accepted Answer

The answer of The transport process that moves oxygen from...

Question 17

Describe the structure and function of a mitochondrion. What are the important components located within this organelle and where is each one located? What overall process occurs primarily in the mitochondrion?

Accepted Answer

The answer of Describe the structure and function of a...

Question 18

What two processes must occur in order for a cell to divide to produce two new cells?

Accepted Answer

A)  mitosis and meiosis 
B)  nuclear division and cytokinesis 
C)  anabolism and catabolism 
D)  autophagy and endocytosis

Question 19

Which of the following events does not occur during prophase of mitosis?

Accepted Answer

A)  The nucleolus and the nuclear membrane disintegrate. 
B)  Each chromosome replicates so that it becomes a double-stranded structure. 
C)  Centrosomes start to form the mitotic spindle. 
D)  Chromosomes become visible due to the shortening and condensation of chromatin.

Question 20

Which of the following is not located in the nucleus?

Accepted Answer

A)  histones 
B)  chromatin 
C)  endosome 
D)  nucleolus

Exam 2: Cells

Microtubules form the structure of microvilli.

What is the function of microfilaments?

Identify the letter that indicates telophase.

Integral membrane proteins play important roles in certain transport mechanisms. What roles do they play in osmosis, facilitated diffusion, and active transport?

List and define: A) three passive processes and B) three active processes that move substances across cell membranes. Give an example of a molecule that is moved by each process.

Proteins that will be exported from the cell are produced by

Which of the following contributes to aging?

Meiosis occurs in two stages and results in two daughter cells that are identical to the original cell.

Explain the difference between an oncogene and a proto-oncogene.

Which of the following is NOT characteristic of a cell's nucleus?

Which letter identifies the powerhouse of the cell?

Which letter identifies the organelle in the liver responsible for detoxification?

Lysosomes contain enzymes that digest the contents of phagocytic vesicles, pinocytic vesicles, and endosomes.

Higher and higher dosages of the drug are needed to achieve the original effect. This could result in an increased possibility of overdose and increased drug dependence." This described drug-tolerance is due to increasing amounts of cellular _____.

The letter C is pointing to the _____.

The transport process that moves oxygen from the air sacs in the lungs into surrounding blood vessels is called _____.

Describe the structure and function of a mitochondrion. What are the important components located within this organelle and where is each one located? What overall process occurs primarily in the mitochondrion?

What two processes must occur in order for a cell to divide to produce two new cells?

Which of the following events does not occur during prophase of mitosis?

Which of the following is not located in the nucleus?