Question 1

Figure 3-2 The Plasmalemma
Use Figure 3-2 to answer the following questions:
-Microfilaments are labeled

Accepted Answer

A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 6) 
A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 6) D

Question 2

________ refers to identifying an individual on the basis of repetitive nucleotide sequences in his or her DNA.(Note: Be sure to capitalize the first letter of your answer).

Accepted Answer

DNA fingerprinting

Question 3

A point mutation involves a change in ________.

Accepted Answer

a single nucleotide

Question 4

Which of the following cytoskeleton components moves the chromosomes during cell division?

Accepted Answer

A) microfilaments 
B) intermediate filaments 
C) thick filaments 
D) microtubules 
E) basal bodies 
A) microfilaments 
B) intermediate filaments 
C) thick filaments 
D) microtubules 
E) basal bodies

Question 5

The unit of DNA that specifies a certain amino acid is called a ________,the same unit of mRNA is called a ________ which,during protein synthesis,is matched by the ________ of tRNA.

Accepted Answer

A) triplet,codon,anticodon 
B) nitrogen base,sugar,phosphate 
C) codon,anticodon,ribosome 
D) gene,gene,triplet,amino acid 
E) triplet,co-triplet,gene 
A) triplet,codon,anticodon 
B) nitrogen base,sugar,phosphate 
C) codon,anticodon,ribosome 
D) gene,gene,triplet,amino acid 
E) triplet,co-triplet,gene

Question 6

Write out the term for rRNA.

Accepted Answer

ribosomal

Question 7

A mature red blood cell lacks a nucleus; therefore,it

Accepted Answer

A) can repair itself readily. 
B) is malformed. 
C) can only divide once more. 
D) will be a long-lived cell. 
E) cannot make new proteins and will be worn out within a few months. 
A) can repair itself readily. 
B) is malformed. 
C) can only divide once more. 
D) will be a long-lived cell. 
E) cannot make new proteins and will be worn out within a few months.

Question 8

The endoplasmic reticulum is an example of a(n)________ organelle.

Accepted Answer

The answer of The endoplasmic reticulum is an example of...

Question 9

Figure 3-2 The Plasmalemma
Use Figure 3-2 to answer the following questions:
-Lipid molecules pass into the cell through the structure labeled

Accepted Answer

A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 6) 
A) 1) 
B) 2) 
C) 3) 
D) 5) 
E) 6)

Question 10

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing.Under these circumstances

Accepted Answer

A) more carbon dioxide will diffuse out of the blood. 
B) more carbon dioxide will diffuse into the blood. 
C) less carbon dioxide will diffuse out of the blood. 
D) less carbon dioxide will diffuse into the blood. 
E) the amount of carbon dioxide diffusion will remain unchanged. 
A) more carbon dioxide will diffuse out of the blood. 
B) more carbon dioxide will diffuse into the blood. 
C) less carbon dioxide will diffuse out of the blood. 
D) less carbon dioxide will diffuse into the blood. 
E) the amount of carbon dioxide diffusion will remain unchanged.

Question 11

If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant,

Accepted Answer

A) the cells will shrink. 
B) the cells will swell. 
C) the fluid outside of the cells will become isotonic. 
D) the fluid outside of the cells will become hypertonic. 
E) the cells will not change. 
A) the cells will shrink. 
B) the cells will swell. 
C) the fluid outside of the cells will become isotonic. 
D) the fluid outside of the cells will become hypertonic. 
E) the cells will not change.

Question 12

The process of protein formation directed by mRNA is called

Accepted Answer

A) replication. 
B) transcription. 
C) translation. 
D) mitosis. 
E) auscultation. 
A) replication. 
B) transcription. 
C) translation. 
D) mitosis. 
E) auscultation.

Question 13

The enzyme ________ is required for the synthesis of mRNA.

Accepted Answer

The answer of The enzyme ________ is required for the...

Question 14

Transfer of mRNA from the nucleus to the cytosol occurs through ________.

Accepted Answer

The answer of Transfer of mRNA from the nucleus to...

Question 15

Write out the term for mRNA.

Accepted Answer

messenger

Question 16

What is the first part of the cell that is affected when the pH of extracellular fluid changes?

Accepted Answer

A) nucleus 
B) nucleolus 
C) the cytosol 
D) plasmalemma 
E) cytoskeleton 
A) nucleus 
B) nucleolus 
C) the cytosol 
D) plasmalemma 
E) cytoskeleton

Question 17

Tubulin is a

Accepted Answer

A) carbohydrate that assembles into filamentous tubes (microtubules). 
B) lipid that assembles into filamentous tubes (microtubules). 
C) protein that assembles into filamentous tubes (microtubules). 
D) protein that forms the tubular portion of the cytosol. 
E) lipid that forms the ER. 
A) carbohydrate that assembles into filamentous tubes (microtubules). 
B) lipid that assembles into filamentous tubes (microtubules). 
C) protein that assembles into filamentous tubes (microtubules). 
D) protein that forms the tubular portion of the cytosol. 
E) lipid that forms the ER.

Question 18

The complex structures of DNA and protein found in the cell nucleus are

Accepted Answer

A) nucleoplasm. 
B) chromosomes. 
C) histones. 
D) nucleases. 
E) mitochondria. 
A) nucleoplasm. 
B) chromosomes. 
C) histones. 
D) nucleases. 
E) mitochondria.

Question 19

The components of ribosomes are formed within

Accepted Answer

A) the endoplasmic reticulum. 
B) Golgi complexes. 
C) lysosomes. 
D) mitochondria. 
E) nucleoli. 
A) the endoplasmic reticulum. 
B) Golgi complexes. 
C) lysosomes. 
D) mitochondria. 
E) nucleoli.

Question 20

Cancer cells

Accepted Answer

A) are indistinguishable from normal body cells. 
B) have a slow mitotic rate. 
C) may exhibit metastasis. 
D) do not form neoplasms. 
E) generally form benign tumors. 
A) are indistinguishable from normal body cells. 
B) have a slow mitotic rate. 
C) may exhibit metastasis. 
D) do not form neoplasms. 
E) generally form benign tumors.

Exam 3: The Cellular Level of Organization

Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following questions: -Microfilaments are labeled

________ refers to identifying an individual on the basis of repetitive nucleotide sequences in his or her DNA.(Note: Be sure to capitalize the first letter of your answer).

A point mutation involves a change in ________.

Which of the following cytoskeleton components moves the chromosomes during cell division?

The unit of DNA that specifies a certain amino acid is called a ________,the same unit of mRNA is called a ________ which,during protein synthesis,is matched by the ________ of tRNA.

Write out the term for rRNA.

A mature red blood cell lacks a nucleus; therefore,it

The endoplasmic reticulum is an example of a(n)________ organelle.

Figure 3-2 The Plasmalemma Use Figure 3-2 to answer the following questions: -Lipid molecules pass into the cell through the structure labeled

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing.Under these circumstances

If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant,

The process of protein formation directed by mRNA is called

The enzyme ________ is required for the synthesis of mRNA.

Transfer of mRNA from the nucleus to the cytosol occurs through ________.

Write out the term for mRNA.

What is the first part of the cell that is affected when the pH of extracellular fluid changes?

Tubulin is a

The complex structures of DNA and protein found in the cell nucleus are

The components of ribosomes are formed within

Cancer cells

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

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 and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

The unit of DNA that specifies a certain amino acid is called a ,the same unit of mRNA is called a which,during protein synthesis,is matched by the of tRNA.