Question 1

Which of the following is NOT a function of the Golgi complex?

Accepted Answer

A) packaging final proteins in vesicles 
B) modifying proteins 
C) separation of different types of proteins 
D) removal of the leader sequence from the protein 
A) packaging final proteins in vesicles 
B) modifying proteins 
C) separation of different types of proteins 
D) removal of the leader sequence from the protein

Question 2

The Golgi apparatus is involved in

Accepted Answer

A) intracellular calcium storage. 
B) adding carbohydrates to proteins. 
C) degradation of organelles. 
D) mitotic chromosomal movement. 
A) intracellular calcium storage. 
B) adding carbohydrates to proteins. 
C) degradation of organelles. 
D) mitotic chromosomal movement.

Question 3

Introns serve no known purpose in protein synthesis.

Accepted Answer

A) True 
 B)False

Question 4

Particulate matter is nonspecifically taken into cells by the process of

Accepted Answer

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

Question 5

The main function of the peroxisome is to release energy from food molecules and transform the energy into usable ATP.

Accepted Answer

A) True 
 B)False

Question 6

The plasma membrane is referred to as a mosaic because of the presence of

Accepted Answer

A) stationary proteins in a uniform arrangement. 
B) carbohydrates in changing patterns. 
C) phospholipids that are in constant motion. 
D) moving proteins in a random arrangement. 
A) stationary proteins in a uniform arrangement. 
B) carbohydrates in changing patterns. 
C) phospholipids that are in constant motion. 
D) moving proteins in a random arrangement.

Question 7

Ribosomal enzymes needed for protein synthesis are called

Accepted Answer

A) catalases. 
B) superoxide radicals. 
C) ribozymes. 
D) lysozymes. 
A) catalases. 
B) superoxide radicals. 
C) ribozymes. 
D) lysozymes.

Question 8

Chromosomes are lined up at the equator of the cell during this stage of mitosis:

Accepted Answer

A) prophase 
B) anaphase 
C) metaphase 
D) telophase 
A) prophase 
B) anaphase 
C) metaphase 
D) telophase

Question 9

_____________ RNA has the function of bringing amino acids to the ribosome during translation.

Accepted Answer

A) Transfer 
B) Messenger 
C) Ribosomal 
D) Nuclear 
A) Transfer 
B) Messenger 
C) Ribosomal 
D) Nuclear

Question 10

What chemical change occurs to histones that will turn on genetic transcription?

Accepted Answer

A) acetylation 
B) acidification 
C) phosphorylation 
D) differentiation 
A) acetylation 
B) acidification 
C) phosphorylation 
D) differentiation

Question 11

A flagellum has

Accepted Answer

A) a "9+0" structure. 
B) a "9+2" structure. 
C) no microtubules. 
D) microvilli as its structure. 
A) a "9+0" structure. 
B) a "9+2" structure. 
C) no microtubules. 
D) microvilli as its structure.

Question 12

Which of the following is NOT true of siRNA?

Accepted Answer

A) It can silence up to 200 different mRNAs. 
B) It is short and double-stranded. 
C) It is processed by an enzyme called Dicer. 
D) It may be used to genetically suppress genes involved in disease. 
A) It can silence up to 200 different mRNAs. 
B) It is short and double-stranded. 
C) It is processed by an enzyme called Dicer. 
D) It may be used to genetically suppress genes involved in disease.

Question 13

The primarily hydrophilic leader sequence of secretory proteins allows it to be inserted into the cisterna of the endoplasmic reticulum.

Accepted Answer

A) True 
 B)False

Question 14

Pre-mRNA contains noncoding regions called

Accepted Answer

A) exons. 
B) introns. 
C) small nuclear ribonucleoproteins (snRNPs). 
D) spliceosomes. 
A) exons. 
B) introns. 
C) small nuclear ribonucleoproteins (snRNPs). 
D) spliceosomes.

Question 15

Microtubules and microfilaments are the primary components of the

Accepted Answer

A) cytosol. 
B) nucleus. 
C) cytoskeleton. 
D) plasma membrane. 
A) cytosol. 
B) nucleus. 
C) cytoskeleton. 
D) plasma membrane.

Question 16

Anticodons found in mRNA allow for base pairing with the codons in tRNA.

Accepted Answer

A) True 
 B)False

Question 17

The _____________ is the liquid portion of the cell between the plasma membrane and nucleus.

Accepted Answer

A) cytoskeleton 
B) peroxisome 
C) cytosol 
D) phospholipids 
A) cytoskeleton 
B) peroxisome 
C) cytosol 
D) phospholipids

Question 18

Meiosis is only observed in the _____________ and ___________.

Accepted Answer

A) skin,finger nails 
B) ovaries,breasts 
C) testes,skin 
D) ovaries,testes 
A) skin,finger nails 
B) ovaries,breasts 
C) testes,skin 
D) ovaries,testes

Question 19

The body cells that contain plasma membranes with highest cholesterol content are the muscle cells.

Accepted Answer

A) True 
 B)False

Question 20

What enzyme breaks the hydrogen bonds between the bases of DNA in preparation for replication?

Accepted Answer

A) DNA polymerase 
B) DNA helicase 
C) spliceosome 
D) cyclin D 
A) DNA polymerase 
B) DNA helicase 
C) spliceosome 
D) cyclin D

Which of the following is NOT a function of the Golgi complex?

The Golgi apparatus is involved in

Introns serve no known purpose in protein synthesis.

Particulate matter is nonspecifically taken into cells by the process of

The main function of the peroxisome is to release energy from food molecules and transform the energy into usable ATP.

The plasma membrane is referred to as a mosaic because of the presence of

Ribosomal enzymes needed for protein synthesis are called

Chromosomes are lined up at the equator of the cell during this stage of mitosis:

_____________ RNA has the function of bringing amino acids to the ribosome during translation.

What chemical change occurs to histones that will turn on genetic transcription?

A flagellum has

Which of the following is NOT true of siRNA?

The primarily hydrophilic leader sequence of secretory proteins allows it to be inserted into the cisterna of the endoplasmic reticulum.

Pre-mRNA contains noncoding regions called

Microtubules and microfilaments are the primary components of the

Anticodons found in mRNA allow for base pairing with the codons in tRNA.

The _____________ is the liquid portion of the cell between the plasma membrane and nucleus.

Meiosis is only observed in the ___ and _.

The body cells that contain plasma membranes with highest cholesterol content are the muscle cells.

What enzyme breaks the hydrogen bonds between the bases of DNA in preparation for replication?

The Study of Body Function

Chemical Composition of the Body

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 3: Cell Structure and Genetic Control

Which of the following is NOT a function of the Golgi complex?

The Golgi apparatus is involved in

Introns serve no known purpose in protein synthesis.

Particulate matter is nonspecifically taken into cells by the process of

The main function of the peroxisome is to release energy from food molecules and transform the energy into usable ATP.

The plasma membrane is referred to as a mosaic because of the presence of

Ribosomal enzymes needed for protein synthesis are called

Chromosomes are lined up at the equator of the cell during this stage of mitosis:

_____________ RNA has the function of bringing amino acids to the ribosome during translation.

What chemical change occurs to histones that will turn on genetic transcription?

A flagellum has

Which of the following is NOT true of siRNA?

The primarily hydrophilic leader sequence of secretory proteins allows it to be inserted into the cisterna of the endoplasmic reticulum.

Pre-mRNA contains noncoding regions called

Microtubules and microfilaments are the primary components of the

Anticodons found in mRNA allow for base pairing with the codons in tRNA.

The _____________ is the liquid portion of the cell between the plasma membrane and nucleus.

Meiosis is only observed in the _____________ and ___________.

The body cells that contain plasma membranes with highest cholesterol content are the muscle cells.

What enzyme breaks the hydrogen bonds between the bases of DNA in preparation for replication?

The Study of Body Function

Chemical Composition of the Body

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Meiosis is only observed in the ___ and _.