Question 1

Describe the three types of proteins that comprise the cytoskeleton.

Accepted Answer

Microfilaments are the smallest of the c...

Question 2

Movement between cells in an epithelium is called transepithelial transport.

Accepted Answer

A) True 
 B)False

Question 3

The initiator codon, that originates translation, codes for the amino acid

Accepted Answer

A)   tyrosine.
B)   arginine.
C)   methionine.
D)   proline.
E)   leucine.F) C) and D)
G) B) and C)

Question 4

During what phase of the cell cycle does rapid protein synthesis occur as the cell grows to double its size?

Accepted Answer

A)   G0 
B)   G1 
C)   G2 
D)   S
E)   mitosisF) B) and D)
G) A) and B)

Question 5

sugar.
Is composed of a nucleotide, where the phosphate is bound to two spots on the ribose

Accepted Answer

A)   DNA
B)   ADP
C)   mRNA
D)   cAMP
E)   tRNAF) B) and C)
G) B) and D)

Question 6

When insulin is first translated by ribosomes, the initial inactive polypeptide that is formed is called preinsulin.

Accepted Answer

A) True 
 B)False

Question 7

-In Figure 2.5, what is this structure and what type of molecule makes up its composition?

Accepted Answer

A)   desmosome, composed of cadherins
B)   sperm, composed of haploid DNA and microtubules
C)   cilia, composed of microtubules and dynein
D)   micelle, composed of phospholipids.
E)   peroxisome, composed of peroxidase enzymes and fatty acidsF) None of the above
G) A) and B)

Question 8

What organelle packages and directs proteins to their proper destination?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   rough endoplasmic reticulum
C)   Golgi apparatus
D)   ribosomes
E)   lysosomesF) A) and B)
G) C) and E)

Question 9

During translation,

Accepted Answer

A)   protein : nucleus
B)   DNA : nucleus
C)   RNA : cytoplasm
D)   RNA : nucleus
E)   protein : cytoplasmF) D) and E)
G) B) and E)

Question 10

Which of the following organelles contains its own DNA?

Accepted Answer

A)   mitochondria
B)   rough endoplasmic reticulum
C)   Golgi apparatus
D)   lysosomes
E)   smooth endoplasmic reticulumF) C) and E)
G) D) and E)

Question 11

During what phase of cell division do two new nuclear envelopes begin to redevelop?

Accepted Answer

A)   metaphase
B)   prophase
C)   anaphase
D)   telophase
E)   interphaseF) None of the above
G) All of the above

Question 12

What two structural characteristics of proteins are formed by hydrogen bonds between the carboxyl O and the amino H of amino acids within the same protein?

Accepted Answer

A)   a -helices : fi -pleated sheets
B)   strength : resilience
C)   flexibility : shear resistance
D)   double helix : folded sheets
E)   fibrous : globularF) A) and E)
G) B) and C)

Question 13

Vaults direct the development of the mitotic spindle during cell division.

Accepted Answer

A) True 
 B)False

Question 14

What is a glycerol with 3 fatty acids attached?

Accepted Answer

A)   glycerolipid
B)   eicosanoid
C)   saturated fat
D)   triglyceride
E)   phospholipidF) All of the above
G) A) and D)

Question 15

are molecules that are composed of one or more phosphate groups, a 5 -carbon sugar, and a nitrogenous base.

Accepted Answer

A)   Lipids
B)   Nucleotides
C)   Phospholipids
D)   Amino acids
E)   GlycoproteinsF) B) and D)
G) B) and E)

Question 16

The anticodon is complementary to the triplet coding for a particular amino acid.

Accepted Answer

A) True 
 B)False

Question 17

What spherical structures are involved in the transport of nonpolar molecules through the aqueous environment and are composed of a phospholipid monolayer?

Accepted Answer

A)   peroxisomes
B)   proteasomes
C)   vacuoles
D)   micelles
E)   lysosomesF) A) and B)
G) D) and E)

Question 18

According to the law of complementary base pairing, which of the following would be expected in any strand of DNA?

Accepted Answer

A)   G + C = T + A
B)   A = C and T = G
C)   A + G = C + T
D)   A = G and C = T
E)   A = GF) None of the above
G) B) and E)

Question 19

Which of the following is NOT a base in RNA?

Accepted Answer

A)   guanine
B)   cytosine
C)   thymine
D)   uracil
E)   adenineF) A) and B)
G) A) and C)

Question 20

All of the organelles present within a cell are not bound by membranes. Describe the non -membrane -bound organelles that are found in cells.

Accepted Answer

Ribosomes are dense granules composed of...

Exam 2: The Cell: Structure and Function

What is a glycerol with 3 fatty acids attached?

Correct AnswerverifiedShow Answer

What organelle packages and directs proteins to their proper destination?

Correct AnswerverifiedShow Answer

-In Figure 2.5, what is this structure and what type of molecule makes up its composition?

Correct AnswerverifiedShow Answer

During translation,

Correct AnswerverifiedShow Answer

Which of the following is NOT a base in RNA?

Correct AnswerverifiedShow Answer

According to the law of complementary base pairing, which of the following would be expected in any strand of DNA?

Correct AnswerverifiedShow Answer

When insulin is first translated by ribosomes, the initial inactive polypeptide that is formed is called preinsulin.

Correct AnswerverifiedShow Answer

During what phase of cell division do two new nuclear envelopes begin to redevelop?

Correct AnswerverifiedShow Answer

All of the organelles present within a cell are not bound by membranes. Describe the non -membrane -bound organelles that are found in cells.

Correct AnswerverifiedRibosomes are dense granules composed of...View AnswerShow Answer

are molecules that are composed of one or more phosphate groups, a 5 -carbon sugar, and a nitrogenous base.

Correct AnswerverifiedShow Answer

The anticodon is complementary to the triplet coding for a particular amino acid.

Correct AnswerverifiedShow Answer

sugar. Is composed of a nucleotide, where the phosphate is bound to two spots on the ribose

Correct AnswerverifiedShow Answer

Which of the following organelles contains its own DNA?

Correct AnswerverifiedShow Answer

Vaults direct the development of the mitotic spindle during cell division.

Correct AnswerverifiedShow Answer

Describe the three types of proteins that comprise the cytoskeleton.

Correct AnswerverifiedMicrofilaments are the smallest of the c...View AnswerShow Answer

What spherical structures are involved in the transport of nonpolar molecules through the aqueous environment and are composed of a phospholipid monolayer?

Correct AnswerverifiedShow Answer

Movement between cells in an epithelium is called transepithelial transport.

Correct AnswerverifiedShow Answer

What two structural characteristics of proteins are formed by hydrogen bonds between the carboxyl O and the amino H of amino acids within the same protein?

Correct AnswerverifiedShow Answer

During what phase of the cell cycle does rapid protein synthesis occur as the cell grows to double its size?

Correct AnswerverifiedShow Answer

The initiator codon, that originates translation, codes for the amino acid

Correct AnswerverifiedShow Answer

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Ribosomes are dense granules composed of...
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Microfilaments are the smallest of the c...
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