Question 1

What enzyme catalyzes the reaction whereby nucleotides are added to the polynucleotide chain during replication?

Accepted Answer

A)   histone
B)   helicase
C)   DNA polymerase
D)   chromatin
E)   RNA polymerase

Question 2

The bulk of ATP production is performed where?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   lysosomes
C)   mitochondria
D)   Golgi apparatus
E)   peroxisomes

Question 3

Where inside a cell is glycogen stored?

Accepted Answer

A)   Golgi apparatus
B)   mitochondria
C)   lysosomes
D)   cytosol
E)   smooth endoplasmic reticulum

Question 4

The initiator codon is composed of the sequence

Accepted Answer

A)   CCG.
B)   UUG.
C)   AUG.
D)   AAC.
E)   CCC.

Question 5

are modified fatty acids that function in intercellular communication and include prostaglandins and thromboxanes.

Accepted Answer

A)   Phospholipids
B)   Triglycerides
C)   Eicosanoids
D)   Saturated fatty acids
E)   Steroids

Question 6

The structure of a protein is formed between residual (R)  groups of the amino acid backbone by a number of different chemical interactions, dependent upon the nature of the residual groups interacting.

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   quaternary
E)   quinary

Question 7

The innermost compartment of a mitochondrion is called the matrix.

Accepted Answer

A) True 
 B)False

Question 8

What strand of mRNA would be transcribed from the following strand of DNA: 5'AATG?

Accepted Answer

A)   5'UUGT
B)   3'TTAC
C)   5'TTUC
D)   3'UUAC
E)   5'GGUA

Question 9

The enzyme catalase is located where?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   lysosomes
C)   mitochondria
D)   Golgi apparatus
E)   peroxisomes

Question 10

-Based on Figure 2.3, what type of molecule is this?

Accepted Answer

A)   phospholipid
B)   steroid
C)   nucleotide
D)   fatty acid
E)   amino acid

Question 11

The leader sequence of any protein that has just been translated functions to

Accepted Answer

A)   keep the protein in the cytosol.
B)   determine the destination of the protein.
C)   end translation of a protein.
D)   stimulate translation of a protein.
E)   initiate degradation of an incomplete protein.

Question 12

Which of the following is NOT found in plasma membranes?

Accepted Answer

A)   carbohydrates
B)   cholesterol
C)   phospholipids
D)   chromatin
E)   proteins

Question 13

-Identify the organelle referred to as "C" in Figure 2.4 and select the function of that organelle.

Accepted Answer

A)   nucleolus-site within the nucleus for the synthesis of rRNA
B)   smooth endoplasmic reticulum-site of lipid synthesis and storage of calcium
C)   rough endoplasmic reticulum-synthesis of proteins to be packaged into vesicles
D)   mitochondria-production of cellular energy in the form of ATP
E)   nucleus-contains the cell's DNA

Question 14

Endocytotic vesicles fuse with what organelle?

Accepted Answer

A)   smooth endoplasmic reticulum
B)   lysosomes
C)   mitochondria
D)   Golgi apparatus
E)   peroxisomes

Question 15

are proteins that form channels between cells, allowing ions and small molecules to diffuse directly from one cell to the other.

Accepted Answer

A)   Dyneins
B)   Cadherins
C)   Occludins
D)   Tubulins
E)   Connexins

Question 16

Detoxifying enzymes may be localized in what organelle?

Accepted Answer

A)   lysosomes
B)   mitochondria
C)   Golgi apparatus
D)   peroxisomes
E)   rough endoplasmic reticulum

Question 17

Which of the following does NOT describe a part of post -transcriptional processing?

Accepted Answer

A)   addition of a poly A tail at the 3' end
B)   splicing of nucleic acid fragments
C)   formation of bonds between a phosphate group and a sugar
D)   removal of the introns from the strand
E)   capping of the 5' end

Question 18

What level of structure is caused when the hydrogen bonds between the amino hydrogen of one amino acid and the carboxyl oxygen of another amino acid is formed?

Accepted Answer

A)   primary
B)   secondary
C)   tertiary
D)   quaternary
E)   quinary

Question 19

Describe the structure and function of nucleotides and nucleic acids.

Accepted Answer

Nucleotides are composed of one or more ...

Question 20

What links sister chromatids together?

Accepted Answer

A)   dyneins
B)   centromeres
C)   histones
D)   chromatins
E)   actins

Exam 2: The Cell: Structure and Function

The enzyme catalase is located where?

Correct AnswerverifiedShow Answer

The initiator codon is composed of the sequence

Correct AnswerverifiedShow Answer

The innermost compartment of a mitochondrion is called the matrix.

Correct AnswerverifiedShow Answer

Endocytotic vesicles fuse with what organelle?

Correct AnswerverifiedShow Answer

Where inside a cell is glycogen stored?

Correct AnswerverifiedShow Answer

Which of the following is NOT found in plasma membranes?

Correct AnswerverifiedShow Answer

What enzyme catalyzes the reaction whereby nucleotides are added to the polynucleotide chain during replication?

Correct AnswerverifiedShow Answer

What links sister chromatids together?

Correct AnswerverifiedShow Answer

The structure of a protein is formed between residual (R) groups of the amino acid backbone by a number of different chemical interactions, dependent upon the nature of the residual groups interacting.

Correct AnswerverifiedShow Answer

-Identify the organelle referred to as "C" in Figure 2.4 and select the function of that organelle.

Correct AnswerverifiedShow Answer

Describe the structure and function of nucleotides and nucleic acids.

Correct AnswerverifiedNucleotides are composed of one or more ...View AnswerShow Answer

are proteins that form channels between cells, allowing ions and small molecules to diffuse directly from one cell to the other.

Correct AnswerverifiedShow Answer

What level of structure is caused when the hydrogen bonds between the amino hydrogen of one amino acid and the carboxyl oxygen of another amino acid is formed?

Correct AnswerverifiedShow Answer

-Based on Figure 2.3, what type of molecule is this?

Correct AnswerverifiedShow Answer

What strand of mRNA would be transcribed from the following strand of DNA: 5'AATG?

Correct AnswerverifiedShow Answer

Detoxifying enzymes may be localized in what organelle?

Correct AnswerverifiedShow Answer

The leader sequence of any protein that has just been translated functions to

Correct AnswerverifiedShow Answer

are modified fatty acids that function in intercellular communication and include prostaglandins and thromboxanes.

Correct AnswerverifiedShow Answer

Which of the following does NOT describe a part of post -transcriptional processing?

Correct AnswerverifiedShow Answer

The bulk of ATP production is performed where?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Nucleotides are composed of one or more ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified