Deck 3: Cells

Question 1

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Water diffuses across a selectively permeable membrane from an area of lower concentration of solute to an area of a high concentration of solute

Answer 1

B

Question 2

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Large particles are trapped in a portion of the plasma membrane and brought into the cell

Answer 2

F

Question 3

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Particles move from an area of high concentration to an area of low concentration

Answer 3

A

Question 4

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
The center of the cell

Question 5

Threadlike structures composed of DNA and protein that fill a cell's nucleus are called

A) chromosomes.
B) chromatin.
C) ribosomes.
D) organelles.

Question 6

Which of the following is one of the roles served by proteins in the plasma membrane?

A) They strengthen the cell membrane.
B) They make the cell membrane impervious to water and solutes.
C) They serve as receptors for chemicals or hormones.
D) They attach to cholesterol to create identifying markers.

Question 7

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Water and solutes move through a selectively permeable membrane as a result of hydrostatic pressure

Question 8

Which substance forms the bulk of the plasma membrane?

A) Protein
B) Cholesterol
C) Phospholipids
D) Glucose

Question 9

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Play a role in cell division

Question 10

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Particles are pumped from an area of low concentration to an area of high concentration by an energy-consuming structure in the plasma membrane

Question 11

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Double-layered membrane around the nucleus

Question 12

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Known as cellular garbage disposals

Question 13

Which statement about the plasma membrane is true?

A) Phospholipids in the plasma membrane are stationary.
B) Cholesterol helps keep the plasma membrane pliable.
C) Proteins embedded in the cell wall act as channels.
D) The plasma membrane forms a barrier to prevent the infusion of water and solutes.

Question 14

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Regulate the passage of molecules into and out of the nucleus

Question 15

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
The supporting framework of the cell

Question 16

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Processes proteins and packages them for export to other parts of the cell

Question 17

What important task occurs in the nucleolus?

A) The manufacture of DNA
B) The secretion of cytoplasm
C) The manufacture of ribosomes
D) The production of glucose

Question 18

Match each cellular transport process with its description.
a.diffusion
e.active transport pump
b.osmosis
f.phagocytosis
c.filtration
g.pinocytosis
d.facilitated diffusion
h.exocytosis
Cell products move out of a cell when a secretory vesicle containing these products fuses with the plasma membrane

Question 19

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Threadlike structures composed of DNA and protein

Question 20

Match the name of each cell part with its structure or function.
a.plasma membrane
g.nucleolus
b.nucleus
h.Golgi apparatus
c.cytoplasm
i.centrioles
d.nuclear envelope
j.lysosomes
e.nuclear pores
k.mitochondria
f.chromatin
l.cytoskeleton
Cell's "powerhouses"

Question 21

The gel-like substance that surrounds the nucleus of the cell and contains organelles is called ____________________.

Question 22

How does the structure of the endoplasmic reticulum serve its purpose?

A) Its flattened sacs allow it to store protein.
B) Its membranous canals and curving sacs keep the plasma membrane from collapsing.
C) Its network of canals allows proteins to move toward the Golgi apparatus.
D) Its membranous vesicles contain various enzymes.

Question 23

The cell's protein-producing structures are called ____________________.

Question 24

What determines genetic code?

A) The types of nitrogenous bases in the DNA molecule
B) The type of sugar in the DNA molecule
C) The sequence of nitrogenous bases in the DNA molecule
D) The types of protein in the DNA molecule

Question 25

Which cellular structure helps sweep particles along a path?

A) Microvilli
B) Flagella
C) Lysosomes
D) Cilia

Question 26

Water pressure that develops in a solution as a result of osmosis is called

A) a concentration gradient.
B) equilibrium.
C) osmotic pressure.
D) tonicity.

Question 27

What is the network of membranous canals and curving sacs that extend throughout the cytoplasm called?

A) Endoplasmic reticulum
B) Golgi apparatus
C) Mitochondria
D) Chromatin

Question 28

The ____________________ is the cell's control center.

Question 29

RNA differs from DNA in that it:

A) is a single strand.
B) contains the sugar deoxyribose.
C) contains the base thymine instead of uracil.
D) does not contain a phosphate.

Question 30

Which body process makes use of the sodium-potassium pump?

A) The movement of mucus and foreign particles from the lungs
B) The movement of water and dissolved substances out of capillaries and into surrounding tissue
C) The creation of electrical potential for nerve conduction
D) The absorption of nutrients in the intestines

Question 31

The difference in concentration of a substance from one point to another is called a ____________________.

Question 32

Based on your understanding of osmolarity and tonicity, which type of intravenous fluid would you expect most patients to receive?

A) Isotonic
B) Hypertonic
C) Hypotonic
D) Equitonic

Question 33

Which statement most accurately describes the action of the sodium-potassium pump?

A) The sodium-potassium pump works to transfer sodium from inside to outside the cell while transferring potassium from outside to inside the cell.
B) The sodium-potassium pump works to transfer sodium from outside to inside the cell while transferring potassium from inside to outside the cell.
C) The sodium-potassium pump pumps both sodium and potassium from inside to outside the cell.
D) The sodium-potassium pump pumps both sodium and potassium from outside to inside the cell.

Question 34

Based on their function, where would you expect microvilli to be located in the body?

A) Digestive tract
B) Respiratory tract
C) Flagella
D) Fallopian tubes

Question 35

A cell's shape is determined by its ____________________.

Question 36

Chromosomes form during which phase of mitosis?

A) Anaphase
B) Metaphase
C) Telophase
D) Prophase

Question 37

The chromosomes of a cell divide during which phase of mitosis?

A) Prophase
B) Anaphase
C) Metaphase
D) Telophase

Question 38

Nucleotides consist of one of four types of:

A) sugar.
B) phosphate groups.
C) nitrogenous bases.
D) proteins.

Question 39

What force drives the process of filtration in the body's capillaries?

A) The pressure of solutes inside the capillaries.
B) The pressure of blood inside the capillaries.
C) The pressure of solutes outside the capillaries.
D) The pressure of fluid outside the capillaries.

Question 40

Facilitated diffusion depends on which structure?

A) Vesicles
B) Protein molecule in the cell membrane
C) Cholesterol molecule in the cell membrane
D) Gaps in capillary walls

Question 41

The process whereby a cell splits into two identical daughter cells is called ____________________.

Question 42

The ____________________ molecule stores all of a cell's genetic information.

Question 43

Filtration occurs because of differences in ____________________ on either side of a membrane.

Question 44

The process whereby RNA makes a copy of a strand of DNA is called ____________________.

Question 45

The building blocks of DNA are millions of pairs of ____________________.