Question 1

What process is demonstrated here? Give a brief description of the events in each of the four stages of this process.

Accepted Answer

1. Glycolysis in cytosol breaks glucose into pyruvate.
2. Pyruvate enters mitochondria and is converted to Acetyl CoA.
3. Acetyl CoA enters the Krebs Cycle producing ATP, NADH, FADH₂, CO₂.
4. Electrons and protons from steps 1-3 enter the Electron Transport Chain producing 32-34 ATP, and water. Oxygen is used here as the final electron acceptor.

Question 2

In the diagram of the cell shown here, what is the function of the structure labeled B?

Accepted Answer

A)  digestion 
B)  support 
C)  DNA isolation 
D)  protein production 
A)  digestion 
B)  support 
C)  DNA isolation 
D)  protein production D

Question 3

What form of transport uses energy and moves molecules against or "up" their concentration gradient?

Accepted Answer

A)  Passive transport 
B)  Osmosis 
C)  Diffusion 
D)  Active transport 
A)  Passive transport 
B)  Osmosis 
C)  Diffusion 
D)  Active transport D

Question 4

The plasma membrane is a _________________ barrier.

Accepted Answer

The answer of The plasma membrane is a _________________ barrier....

Question 5

The signaling compound shown in the figure is a:

Accepted Answer

A)  paracrine. 
B)  autocrine. 
C)  hormone. 
D)  apoptosis. 
A)  paracrine. 
B)  autocrine. 
C)  hormone. 
D)  apoptosis.

Question 6

The organelle responsible for the conversion of the pollywog to a frog (the loss of the tadpole's tail) is the:

Accepted Answer

A)  golgi complex. 
B)  mitochondrion. 
C)  rough endoplasmic reticulum. 
D)  lysosome. 
A)  golgi complex. 
B)  mitochondrion. 
C)  rough endoplasmic reticulum. 
D)  lysosome.

Question 7

The process of forming RNA copies of nuclear DNA is called _______________.

Accepted Answer

The answer of The process of forming RNA copies of...

Question 8

__________ cells lack a distinct nucleus and organelles.
Answer

Accepted Answer

The answer of __________ cells lack a distinct nucleus and...

Question 9

Paracrines, secretions produced in one area of the body, travel to and alter the physiological activity of remote cells.

Accepted Answer

A) True 
 B)False

Question 10

In which of the following organelles is DNA found?

Accepted Answer

A)  Golgi body 
B)  Smooth endoplasmic reticulum 
C)  Lysosome 
D)  Nucleus 
A)  Golgi body 
B)  Smooth endoplasmic reticulum 
C)  Lysosome 
D)  Nucleus

Question 11

Compare and contrast the three ways cellular signaling can occur.

Accepted Answer

Cellular signaling allows for communicat

Question 12

Name the structure in this illustration.

Accepted Answer

A)  flagella 
B)  golgi 
C)  centrioles 
D)  lysosome 
A)  flagella 
B)  golgi 
C)  centrioles 
D)  lysosome

Question 13

In the diagram of the cell shown here, the organelle responsible for ATP production is labeled as:

Accepted Answer

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

Question 14

The arrow is pointing to the region where the two chromosome arms are held together. This is referred to as the ______.

Accepted Answer

A)  spindle apparatus. 
B)  cleavage furrow. 
C)  chromatin. 
D)  centromere. 
A)  spindle apparatus. 
B)  cleavage furrow. 
C)  chromatin. 
D)  centromere.

Question 15

The movement of water from an area of high concentration to an area of low concentration is called:

Accepted Answer

A)  endocytosis. 
B)  osmosis. 
C)  active transport. 
D)  pinocytosis. 
A)  endocytosis. 
B)  osmosis. 
C)  active transport. 
D)  pinocytosis.

Question 16

Cilia are long whip-like structures that propel the cell forward.

Accepted Answer

A) True 
 B)False

Question 17

The cell theory includes all of the following EXCEPT:

Accepted Answer

A)  All living things are composed of cells. 
B)  Cells pass on genetic material to daughter cells during cell division. 
C)  Cells share similar chemical composition. 
D)  Cells are made up of similar shapes and sizes. 
A)  All living things are composed of cells. 
B)  Cells pass on genetic material to daughter cells during cell division. 
C)  Cells share similar chemical composition. 
D)  Cells are made up of similar shapes and sizes.

Question 18

A cell placed into a hypertonic solution will _____________.

Accepted Answer

The answer of A cell placed into a hypertonic solution...

Question 19

When a cell is placed in an isotonic solution, water will:

Accepted Answer

A)  move into and out of the cell at an equal rate and not affect the cell. 
B)  move into the cell and cause the cell to burst. 
C)  move out of the cell and cause the cell to shrink. 
D)  move into the cell and cause the cell to shrink. 
A)  move into and out of the cell at an equal rate and not affect the cell. 
B)  move into the cell and cause the cell to burst. 
C)  move out of the cell and cause the cell to shrink. 
D)  move into the cell and cause the cell to shrink.

Question 20

In the diagram below, which process releases the most ATP?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Exam 4: Cells: Organization and Communication

What process is demonstrated here? Give a brief description of the events in each of the four stages of this process.

In the diagram of the cell shown here, what is the function of the structure labeled B?

What form of transport uses energy and moves molecules against or "up" their concentration gradient?

The plasma membrane is a _________________ barrier.

The signaling compound shown in the figure is a:

The organelle responsible for the conversion of the pollywog to a frog (the loss of the tadpole's tail) is the:

The process of forming RNA copies of nuclear DNA is called _______________.

__________ cells lack a distinct nucleus and organelles. Answer

Paracrines, secretions produced in one area of the body, travel to and alter the physiological activity of remote cells.

In which of the following organelles is DNA found?

Compare and contrast the three ways cellular signaling can occur.

Name the structure in this illustration.

In the diagram of the cell shown here, the organelle responsible for ATP production is labeled as:

The arrow is pointing to the region where the two chromosome arms are held together. This is referred to as the ______.

The movement of water from an area of high concentration to an area of low concentration is called:

Cilia are long whip-like structures that propel the cell forward.

The cell theory includes all of the following EXCEPT:

A cell placed into a hypertonic solution will _____________.

When a cell is placed in an isotonic solution, water will:

In the diagram below, which process releases the most ATP?

What Is Life

Where Do We Come From and Where Do We Fit

Everyday Chemistry of Life

Tissues

The Skeletomuscular System

The Nervous System

The Special Senses

Immunity and the Lymphatic System

Infectious Disease and Epidemiology

The Human Microbiome

Cancer

The Cardiovascular System

The Respiratory System: Movement of Air

Nutrition: You Are What You Eat

The Digestive System

The Urinary System

The Endocrine System and Development

The Reproductive Systems: Maintaining the Species

Pregnancy: Development From Conception to Newborn

Inheritance, Genetics, and Molecular Biology

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