Question 1

A sperm cell is the only type of human cell that contains a _____,which is a whip-like structure that helps propel the sperm towards an oocyte.

Accepted Answer

A) cilium 
B) flagellum 
C) mitochondria 
D) centrosome 
E) microvillus 
A) cilium 
B) flagellum 
C) mitochondria 
D) centrosome 
E) microvillus

Question 2

[dropdown 1] RNA is translated by ribosomes and codes for the amino acids in the protein.[dropdown 1] RNA combines with protein to from the 2 subunits.[dropdown 1] RNA moves amino acids to the ribosomes for protein synthesis.
Dropdown Choices:
messenger
ribosomal
transfer

Accepted Answer

Transcription is making mRNA f

Question 3

In the diagram,which panel shows events occurring during anaphase?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 4

Which of the following membrane-enclosed organelles is the site of synthesis of membrane proteins and secretory proteins?

Accepted Answer

A) rough endoplasmic reticulum 
B) smooth endoplasmic reticulum 
C) nucleus 
D) lysosome 
E) Golgi complex 
A) rough endoplasmic reticulum 
B) smooth endoplasmic reticulum 
C) nucleus 
D) lysosome 
E) Golgi complex

Question 5

The following is a particular sequence of base triplet on a DNA molecule: ATG.What is the corresponding codon for the mRNA?

Accepted Answer

A) TAC 
B) GUA 
C) GTA 
D) CTA 
E) UAC 
A) TAC 
B) GUA 
C) GTA 
D) CTA 
E) UAC

Question 6

Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane?

Accepted Answer

A) concentration gradient of the chemical across the membrane 
B) mass of the diffusing chemical 
C) distance that the chemical has to diffuse 
D) amount of ATP available 
E) temperature 
A) concentration gradient of the chemical across the membrane 
B) mass of the diffusing chemical 
C) distance that the chemical has to diffuse 
D) amount of ATP available 
E) temperature

Question 7

What structural components of the membrane are labeled (C)in the diagram?

Accepted Answer

A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids 
A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids

Question 8

transfer RNA is released from the [dropdown 1] site.A ribosome moves down a codon when the bond forms between the peptide in the [dropdown 2] site and the amino acid in the [dropdown 3] site.
Dropdown Choices:
A
E
P

Accepted Answer

Transcription is making mRNA f

Question 9

This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane.

Accepted Answer

A) receptors 
B) phospholipids 
C) cholesterol 
D) enzymes 
E) ligands 
A) receptors 
B) phospholipids 
C) cholesterol 
D) enzymes 
E) ligands

Question 10

Which of the following is a measure of a solution's ability to change the volume of cells by altering their water content?

Accepted Answer

A) filtration 
B) normality 
C) tonicity 
D) equivalency 
E) facilitation 
A) filtration 
B) normality 
C) tonicity 
D) equivalency 
E) facilitation

Question 11

In the diagram,which panel shows the kinetochore of the centromeres aligning along the center of the mitotic spindle of the cell?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 12

In the diagram,which panel shows cells that are in interphase?
1 A
2 C
3 F

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3 
A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3

Question 13

Briefly describe alternative splicing.

Accepted Answer

Alternative splicing of mRNA is a proces

Question 14

What are the three main parts of a human body cell?

Accepted Answer

A) plasma membrane,organelles,cytoplasm 
B) plasma membrane,organelles,nucleus 
C) plasma membrane,cytoplasm,organelles 
D) plasma membrane,cytoplasm,nucleus 
E) plasma membrane,cytosol,organelles 
A) plasma membrane,organelles,cytoplasm 
B) plasma membrane,organelles,nucleus 
C) plasma membrane,cytoplasm,organelles 
D) plasma membrane,cytoplasm,nucleus 
E) plasma membrane,cytosol,organelles

Question 15

In the diagram,which one represents a hypertonic solution

Accepted Answer

A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct. 
A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct.

Question 16

Which cellular organelle is comprised of a pair of centrioles and the surrounding pericentriolar material.

Accepted Answer

A) cytoskeleton 
B) cilia 
C) centrosome 
D) flagella 
E) peroxisomes 
A) cytoskeleton 
B) cilia 
C) centrosome 
D) flagella 
E) peroxisomes

Question 17

Which of the following shows ligand binding at the cell surface?

Accepted Answer

A) B 
B) C 
C) D 
D) A 
E) E 
A) B 
B) C 
C) D 
D) A 
E) E

Question 18

An orderly,genetically programmed cell death is referred to as ________,while disorganized pathological cell death is referred to as ________.

Accepted Answer

A) apoptosis;synapsis 
B) apoptosis;necrosis 
C) necrosis;apoptosis 
D) synapsis;necrosis 
E) necrosis;synapsis 
A) apoptosis;synapsis 
B) apoptosis;necrosis 
C) necrosis;apoptosis 
D) synapsis;necrosis 
E) necrosis;synapsis

Question 19

During phagocytosis,binding of a particle to a plasma membrane receptor triggers formation of _____,which are extensions of the plasma membrane of the phagocyte that eventually surround the particle forming a phagosome.

Accepted Answer

A) podocytes 
B) exterior vesicles 
C) interior vesicles 
D) pseudopods 
E) lysosomes 
A) podocytes 
B) exterior vesicles 
C) interior vesicles 
D) pseudopods 
E) lysosomes

Question 20

Which type of membrane protein extends across the entire lipid bilayer of the plasma membrane touching both intracellular fluid and the extracellular fluid?

Accepted Answer

A) complement protein 
B) transmembrane protein 
C) peripheral protein 
D) lipoprotein 
E) All of these choices are correct. 
A) complement protein 
B) transmembrane protein 
C) peripheral protein 
D) lipoprotein 
E) All of these choices are correct.

Exam 3: The Cellular Level of Organization

A sperm cell is the only type of human cell that contains a _____,which is a whip-like structure that helps propel the sperm towards an oocyte.

[dropdown 1] RNA is translated by ribosomes and codes for the amino acids in the protein.[dropdown 1] RNA combines with protein to from the 2 subunits.[dropdown 1] RNA moves amino acids to the ribosomes for protein synthesis. Dropdown Choices: messenger ribosomal transfer

In the diagram,which panel shows events occurring during anaphase?

Which of the following membrane-enclosed organelles is the site of synthesis of membrane proteins and secretory proteins?

The following is a particular sequence of base triplet on a DNA molecule: ATG.What is the corresponding codon for the mRNA?

Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane?

What structural components of the membrane are labeled (C)in the diagram?

transfer RNA is released from the [dropdown 1] site.A ribosome moves down a codon when the bond forms between the peptide in the [dropdown 2] site and the amino acid in the [dropdown 3] site. Dropdown Choices: A E P

This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane.

Which of the following is a measure of a solution's ability to change the volume of cells by altering their water content?

In the diagram,which panel shows the kinetochore of the centromeres aligning along the center of the mitotic spindle of the cell?

In the diagram,which panel shows cells that are in interphase? 1 A 2 C 3 F

Briefly describe alternative splicing.

What are the three main parts of a human body cell?

In the diagram,which one represents a hypertonic solution

Which cellular organelle is comprised of a pair of centrioles and the surrounding pericentriolar material.

Which of the following shows ligand binding at the cell surface?

An orderly,genetically programmed cell death is referred to as ________,while disorganized pathological cell death is referred to as ________.

During phagocytosis,binding of a particle to a plasma membrane receptor triggers formation of _____,which are extensions of the plasma membrane of the phagocyte that eventually surround the particle forming a phagosome.

Which type of membrane protein extends across the entire lipid bilayer of the plasma membrane touching both intracellular fluid and the extracellular fluid?

An Introduction to the Human Body

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters

An orderly,genetically programmed cell death is referred to as ,while disorganized pathological cell death is referred to as .