Question 1

​Regulatory factors that bind to enzymes ____.

Accepted Answer

A)   ​always increase enzyme activity
B)   ​always decrease enzyme activity
C)   ​alter the shape of the enzyme
D)   ​alter the pH at which the enzyme works
E)   ​alter the temperature at which the enzyme works

Question 2

​The energy that fuels most life on earth comes from ____.

Accepted Answer

A)   ​the sun
B)   ​heat
C)   ​sucrose
D)   ​water
E)   ​glucose

Question 3

​Which human organ is responsible for breaking down ethanol and other toxins?

Accepted Answer

A)   ​stomach
B)   ​liver
C)   ​small intestine
D)   ​pancreas
E)   ​spleen

Question 4

​Which solution has the potential to diffuse the fastest?

Accepted Answer

A)   ​A solution with large molecules as opposed to smaller ones.
B)   ​A solution with a higher concentration of molecules as opposed to one with a lower concentration.
C)   ​A solution that is under low pressure as opposed to one under high pressure.
D)   ​A solution that is at a low temperature as opposed to one at a higher temperature.
E)   ​A solution containing a hydrophilic solute as opposed to a salt.

Question 5

​Match the following questions about cell membrane permeability correctly.
-The process by which a lysosome expels its contents into the extracellular environment.
A)​simple diffusion
B)​exocytosis
C)​osmosis
D)​active transport
E)​phagocytosis

Accepted Answer

The answer of ​Match the following questions about cell membrane...

Question 6

​Match the following questions about cell membrane permeability correctly.
-​This process specifically moves water molecules across a semipermeable membrane.
A)​simple diffusion
B)​exocytosis
C)​osmosis
D)​active transport
E)​phagocytosis

Accepted Answer

The answer of ​Match the following questions about cell membrane...

Question 7

​Match the following questions about cell membrane permeability correctly.
-This process explains the movement of molecules against their concentration gradient.
A)​simple diffusion
B)​exocytosis
C)​osmosis
D)​active transport
E)​phagocytosis

Accepted Answer

The answer of ​Match the following questions about cell membrane...

Question 8

The sodium-potassium pump is an example of ____.

Accepted Answer

A)   facilitated diffusion
B)   simple diffusion
C)   osmosis
D)   active transport
E)   bulk flow

Question 9

The initial event that triggers phagocytosis is when the ____.

Accepted Answer

A)   solute concentration is higher inside the cell than outside
B)   solute concentrations is lower inside the cell than outside
C)   target protein binds to the receptor
D)   enzymes bind to the membrane
E)   vesicles bud off from the membrane

Question 10

​The energy in chemical bonds is what type of energy?

Accepted Answer

A)   ​kinetic
B)   ​potential
C)   ​atomic
D)   ​nuclear
E)   ​thermal

Question 11

Matching
​Answer the questions by matching each word or groups of words with the appropriate definition.
-​process by which atoms from different molecules are recombined to form new molecules
A)​reactant
B)​product
C)​ATP
D)​activation energy
E)​reaction
F)​phosphorylation

Accepted Answer

The answer of Matching
​Answer the questions by matching each word...

Question 12

​Diffusion of water from a hypertonic solution to a hypotonic solution across a semi-permeable membrane ____.

Accepted Answer

A)   ​will occur until both solutions are isotonic
B)   ​will occur until both sides are hypotonic
C)   ​will occur until both sides are hypertonic
D)   ​will occur until the tonicities are reversed
E)   ​will not occur

Question 13

​An enzyme's specificity is based on ____.

Accepted Answer

A)   ​the shape of its active site
B)   ​the amount of activation energy it requires
C)   ​the number of amino acids in its structure
D)   ​the nature of its cofactors
E)   ​the conformation of the products

Question 14

Which metabolite of alcohol is most toxic?

Accepted Answer

A)   alcohol dehydrogenase
B)   ethanol
C)   acetaldehyde
D)   acetate
E)   ALDH

Question 15

Matching
​Answer the questions by matching each word or groups of words with the appropriate definition.
-​minimum amount of energy required to start a reaction
A)​reactant
B)​product
C)​ATP
D)​activation energy
E)​reaction
F)​phosphorylation

Accepted Answer

The answer of Matching
​Answer the questions by matching each word...

Question 16

​The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

Accepted Answer

A)   ​endocytosis
B)   ​exocytosis
C)   ​phagocytosis
D)   ​passive transport
E)   ​osmosis

Question 17

​Movement of substances that requires the expenditure of ATP molecules is called ____.

Accepted Answer

A)   ​facilitated diffusion
B)   ​simple diffusion
C)   ​osmosis
D)   ​active transport
E)   ​bulk flow

Question 18

​Glucose is transported into a cell by ____.

Accepted Answer

A)   ​active transport
B)   ​exocytosis
C)   ​facilitated diffusion
D)   ​phagocytosis
E)   ​osmosis

Question 19

When a phosphate group is transferred from ATP, active transport pumps ____.

Accepted Answer

A)   trigger exocytosis
B)   change their shapes
C)   become ionized
D)   fuse with the surrounding phospholipid membrane
E)   are destroyed

Question 20

​When a protein denatures, it ____.

Accepted Answer

A)   ​changes shape
B)   ​changes temperature
C)   ​changes pH
D)   ​binds more efficiently to its cofactor
E)   ​catalyzes reactions more efficiently

Exam 4: Energy and Metabolism

Matching ​Answer the questions by matching each word or groups of words with the appropriate definition. -​minimum amount of energy required to start a reaction A)​reactant B)​product C)​ATP D)​activation energy E)​reaction F)​phosphorylation

Correct AnswerverifiedShow Answer

​When a protein denatures, it ____.

Correct AnswerverifiedShow Answer

​The energy in chemical bonds is what type of energy?

Correct AnswerverifiedShow Answer

Matching ​Answer the questions by matching each word or groups of words with the appropriate definition. -​process by which atoms from different molecules are recombined to form new molecules A)​reactant B)​product C)​ATP D)​activation energy E)​reaction F)​phosphorylation

Correct AnswerverifiedShow Answer

​Movement of substances that requires the expenditure of ATP molecules is called ____.

Correct AnswerverifiedShow Answer

​Which solution has the potential to diffuse the fastest?

Correct AnswerverifiedShow Answer

​Regulatory factors that bind to enzymes ____.

Correct AnswerverifiedShow Answer

​Match the following questions about cell membrane permeability correctly. -The process by which a lysosome expels its contents into the extracellular environment. A)​simple diffusion B)​exocytosis C)​osmosis D)​active transport E)​phagocytosis

Correct AnswerverifiedShow Answer

​Glucose is transported into a cell by ____.

Correct AnswerverifiedShow Answer

​Match the following questions about cell membrane permeability correctly. -This process explains the movement of molecules against their concentration gradient. A)​simple diffusion B)​exocytosis C)​osmosis D)​active transport E)​phagocytosis

Correct AnswerverifiedShow Answer

​Diffusion of water from a hypertonic solution to a hypotonic solution across a semi-permeable membrane ____.

Correct AnswerverifiedShow Answer

Which metabolite of alcohol is most toxic?

Correct AnswerverifiedShow Answer

​An enzyme's specificity is based on ____.

Correct AnswerverifiedShow Answer

The initial event that triggers phagocytosis is when the ____.

Correct AnswerverifiedShow Answer

When a phosphate group is transferred from ATP, active transport pumps ____.

Correct AnswerverifiedShow Answer

​Match the following questions about cell membrane permeability correctly. -​This process specifically moves water molecules across a semipermeable membrane. A)​simple diffusion B)​exocytosis C)​osmosis D)​active transport E)​phagocytosis

Correct AnswerverifiedShow Answer

​The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

Correct AnswerverifiedShow Answer

​The energy that fuels most life on earth comes from ____.

Correct AnswerverifiedShow Answer

The sodium-potassium pump is an example of ____.

Correct AnswerverifiedShow Answer

​Which human organ is responsible for breaking down ethanol and other toxins?

Correct AnswerverifiedShow Answer

Matching Answer the questions by matching each word or groups of words with the appropriate definition. -minimum amount of energy required to start a reaction A)reactant B)product C)ATP D)activation energy E)reaction F)phosphorylation

Correct Answer
verified

When a protein denatures, it ____.

Correct Answer
verified

The energy in chemical bonds is what type of energy?

Correct Answer
verified

Matching Answer the questions by matching each word or groups of words with the appropriate definition. -process by which atoms from different molecules are recombined to form new molecules A)reactant B)product C)ATP D)activation energy E)reaction F)phosphorylation

Correct Answer
verified

Movement of substances that requires the expenditure of ATP molecules is called ____.

Correct Answer
verified

Which solution has the potential to diffuse the fastest?

Correct Answer
verified

Regulatory factors that bind to enzymes ____.

Correct Answer
verified

Match the following questions about cell membrane permeability correctly. -The process by which a lysosome expels its contents into the extracellular environment. A)simple diffusion B)exocytosis C)osmosis D)active transport E)phagocytosis

Correct Answer
verified

Glucose is transported into a cell by ____.

Correct Answer
verified

Match the following questions about cell membrane permeability correctly. -This process explains the movement of molecules against their concentration gradient. A)simple diffusion B)exocytosis C)osmosis D)active transport E)phagocytosis

Correct Answer
verified

Diffusion of water from a hypertonic solution to a hypotonic solution across a semi-permeable membrane ____.

Correct Answer
verified

Correct Answer
verified

An enzyme's specificity is based on ____.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Match the following questions about cell membrane permeability correctly. -This process specifically moves water molecules across a semipermeable membrane. A)simple diffusion B)exocytosis C)osmosis D)active transport E)phagocytosis

Correct Answer
verified

The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of the plasma membrane is the definition of ____.

Correct Answer
verified

The energy that fuels most life on earth comes from ____.

Correct Answer
verified

Correct Answer
verified

Which human organ is responsible for breaking down ethanol and other toxins?

Correct Answer
verified