Physiology 5

Question 1

A hydrophilic substance is likely to:

Answer 1

Dissolve in water only

Question 2

Solution A contains more hydrogen ions than solution B.Thus, one may conclude that:

Answer 2

Solution B is more alkaline than solution A

Question 3

Pick the largest fluid compartment from the list. ( Plasma, ECF, ISF )

Answer 3

ECF

Question 4

Gap junctions allow the passage of protein molecules in animal and human cells. This statement is:

Answer 4

Not true

Question 5

Smooth Endoplasmic reticulum is the site of ____________ synthesis.

Answer 5

Lipid

Question 6

Rough Endoplasmic reticulum is the site of ____________ synthesis.

Answer 6

Protein

Question 7

___________ are round or oval cell compartments that contain digestive enzymes.

Answer 7

Lysosomes

Question 8

A hydrophobic substance will likely:

Answer 8

Not dissolve in water

Question 9

A solution with a pH value of 13 is considered ____________.

Answer 9

Highly Alkaline

Question 10

Consider the following sequence of bases on a DNA strand. (ATCGCAACCCTG). What is the sequence of bases when the given strand replicates. ( makes another DNA strand )

Answer 10

ATCGCAACCCTG

Question 11

Sucrose is a disaccharide substance. True or False

Answer 11

True

Question 12

_____________ reaction occurs when glycogen molecules undergo a change to form glucose molecules.

Answer 12

Decomposition

Question 13

Nucleic acids and Proteins. Which of the two substance should not be present in the cell plasma membrane?

Answer 13

Nucleic acids

Question 14

Successful coping of an organism with its environment is called:

Answer 14

Adaptation

Question 15

____________ molecules are building blocks of proteins.

Answer 15

Amino acid

Question 16

Active transport is different from facilitated diffusion in that:

Answer 16

Active transport moves molecules from low to high concentration gradient.

Question 17

The primary mode of transport through a channels is:

Answer 17

Facilitated diffusion

Question 18

An amphipathic substance is likely able to:

Answer 18

Dissolve in both water and fat

Question 19

If chloride channels in the plasma membrane of a biological cell open, chloride ions will:

Answer 19

Enter the cell

Question 20

Both simple and facilitated diffusion processes:

Answer 20

Move molecules from high to low concentration

Question 21

Solution A has a higher pH value ( larger pH number) compared to solution B, Thus:

Answer 21

Solution A is more basic than solution B

Question 22

If calcium channels in the plasma membrane of a biological cell open, calcium ions will:

Answer 22

Enter the cell

Question 23

In terms of structure, a lipid is different from a carbohydrate because:

Answer 23

Structure of a carbohydrate includes oxygen whereas structure of a lipid does not.

Question 24

Usually, __________ can make as many as 4 bonds whereas ___________ is able to form two.

Answer 24

Carbon, Oxygen

Question 25

If potassium channels in the plasma membrane of a biological cell open, potassium ions will:

Answer 25

Leave the cell

Question 26

A solution with a pH value of 1 is considered ___________.

Answer 26

Highly acidic

Question 27

_____________ are formed following triglyceride decomposition:

Answer 27

Glycerol and Fatty acids

Question 28

A solution with a pH value of 7 is considered ___________ .

Answer 28

Neutral

Question 29

In a healthy, biological cell, what is always confined to the nucleus?

Answer 29

DNA

Question 30

____________ molecules are considered building blocks of glycogen.

Answer 30

Glucose