Question 1

Amino acids are transferred to the ribosome to be incorporated into a growing polypeptide chain by

Accepted Answer

A)  aRNA. 
B)  mRNA. 
C)  rRNA. 
D)  tRNA. 
E)  pRNA. 
A)  aRNA. 
B)  mRNA. 
C)  rRNA. 
D)  tRNA. 
E)  pRNA.

Question 2

Identify the mismatched pair.

Accepted Answer

A)  receptor proteins-bind to extracellular ligands 
B)  channel proteins-provide passageway for ions 
C)  recognition glycoproteins and glycolipids-identify the cell as "self" 
D)  carrier proteins-allow a cell to move 
E)  enzymes-speed up chemical reactions 
A)  receptor proteins-bind to extracellular ligands 
B)  channel proteins-provide passageway for ions 
C)  recognition glycoproteins and glycolipids-identify the cell as "self" 
D)  carrier proteins-allow a cell to move 
E)  enzymes-speed up chemical reactions

Question 3

Histones are found in

Accepted Answer

A)  nucleosomes. 
B)  proteasomes. 
C)  lysosomes. 
D)  vesicles. 
E)  endosomes. 
A)  nucleosomes. 
B)  proteasomes. 
C)  lysosomes. 
D)  vesicles. 
E)  endosomes.

Question 4

Figure 3-2 The Anatomy of a Representative Cell

Use Figure 3-2 to answer the following questions:
-Which organelle renews the cell membrane and modifies and packages proteins for secretion?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
E)  8 
A)  4 
B)  5 
C)  6 
D)  7 
E)  8

Question 5

During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesisoccurs.

Accepted Answer

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

Question 6

Microfilaments

Accepted Answer

A)  are usually composed of myosin. 
B)  are hollow, filamentous structures. 
C)  anchor the cytoskeleton to integral proteins of the cell membrane. 
D)  interact with filaments composed of tubulin to produce muscle contractions. 
E)  are found in the cytoplasm radiating away from the centrosome. 
A)  are usually composed of myosin. 
B)  are hollow, filamentous structures. 
C)  anchor the cytoskeleton to integral proteins of the cell membrane. 
D)  interact with filaments composed of tubulin to produce muscle contractions. 
E)  are found in the cytoplasm radiating away from the centrosome.

Question 7

Which of following properties of the cytoskeleton is incorrect?

Accepted Answer

A)  supports organelles 
B)  controls cell shape 
C)  provides cell strength 
D)  connects cells to each other 
E)  moves organelles 
A)  supports organelles 
B)  controls cell shape 
C)  provides cell strength 
D)  connects cells to each other 
E)  moves organelles

Question 8

In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ________ ions fromthe cell and imports ________ ions.

Accepted Answer

A)  potassium; calcium 
B)  sodium; calcium 
C)  potassium; sodium 
D)  sodium; potassium 
E)  calcium; sodium 
A)  potassium; calcium 
B)  sodium; calcium 
C)  potassium; sodium 
D)  sodium; potassium 
E)  calcium; sodium

Question 9

If an animal cell lacked centrioles, it would not be able to

Accepted Answer

A)  move. 
B)  synthesize proteins. 
C)  produce DNA. 
D)  metabolize sugars. 
E)  divide. 
A)  move. 
B)  synthesize proteins. 
C)  produce DNA. 
D)  metabolize sugars. 
E)  divide.

Question 10

The anticodon for the triplet UCA is

Accepted Answer

A)  AGU. 
B)  AGC. 
C)  TCA. 
D)  TGT. 
E)  AGT. 
A)  AGU. 
B)  AGC. 
C)  TCA. 
D)  TGT. 
E)  AGT.

Amino acids are transferred to the ribosome to be incorporated into a growing polypeptide chain by

Identify the mismatched pair.

Histones are found in

Figure 3-2 The Anatomy of a Representative Cell Use Figure 3-2 to answer the following questions: -Which organelle renews the cell membrane and modifies and packages proteins for secretion?

During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesisoccurs.

Microfilaments

Which of following properties of the cytoskeleton is incorrect?

In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ions fromthe cell and imports ions.

If an animal cell lacked centrioles, it would not be able to

The anticodon for the triplet UCA is

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Exam 3: The Cellular Level of Organization

Amino acids are transferred to the ribosome to be incorporated into a growing polypeptide chain by

Identify the mismatched pair.

Histones are found in

Figure 3-2 The Anatomy of a Representative Cell Use Figure 3-2 to answer the following questions: -Which organelle renews the cell membrane and modifies and packages proteins for secretion?

During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesisoccurs.

Microfilaments

Which of following properties of the cytoskeleton is incorrect?

In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ________ ions fromthe cell and imports ________ ions.

If an animal cell lacked centrioles, it would not be able to

The anticodon for the triplet UCA is

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

In order to maintain cellular homeostasis, one abundant type of exchange pump ejects ions fromthe cell and imports ions.