Deck 3: Cells

Question 1

The organelles that are the "digestive bags" of the cell are the

A) flagella
B) endoplasmic reticulum
C) Golgi apparatus
D) lysosomes

Answer 1

D

Question 2

The structure in the cell that controls most of the activities of the cell is the

A) cilia
B) nucleus
C) nucleolus
D) ribosome

Answer 2

B

Question 3

The process that uses hydrostatic pressure to move water and solutes through a membrane is

A) osmosis
B) dialysis
C) filtration
D) pinocytosis

Answer 3

C

Question 4

Small,hairlike structures on the exposed side of some cells are called the

A) cilia
B) nucleus
C) nucleolus
D) endoplasmic reticulum

Question 5

The organelles that are the "protein factories" for the cell are the

A) ribosomes
B) mitochondria
C) Golgi apparatus
D) centrioles

Question 6

The molecules that stabilize the cell membrane and prevent it from breaking easily are the

A) phospholipid molecules
B) cholesterol molecules
C) protein molecules
D) all of the above

Question 7

The organelles that are flattened sacs that chemically process molecules are the

A) endoplasmic reticulum
B) flagella
C) Golgi apparatus
D) lysosome

Question 8

The diffusion of solutes through a selectively permeable membrane is a process called

A) osmosis
B) dialysis
C) filtration
D) pinocytosis

Question 9

The diffusion of water through a selectively permeable membrane is a process called

A) osmosis
B) dialysis
C) filtration
D) pinocytosis

Question 10

An important function of the cell membrane is

A) the production of energy
B) aiding in protein formation
C) acting as an "identification tag" for the cell
D) none of the above

Question 11

The plasma membrane of a cell is composed of

A) phospholipid molecules
B) cholesterol molecules
C) protein molecules
D) all of the above

Question 12

The structure in the cell that programs the formation of ribosomes is the

A) cilia
B) nucleus
C) nucleolus
D) endoplasmic reticulum

Question 13

The organelles that are the "power plants" of the cell are the

A) ribosomes
B) mitochondria
C) Golgi apparatus
D) centrioles

Question 14

The organelles that consist of a network of canals that wind through the cytoplasm are the

A) endoplasmic reticulum
B) flagella
C) Golgi apparatus
D) lysosomes

Question 15

Which of the following transport processes requires cell energy?

A) Osmosis
B) Dialysis
C) Pinocytosis
D) Both a and b above

Question 16

The molecules in the plasma membrane that serve as receptors for other molecules are the

A) phospholipid molecules
B) cholesterol molecules
C) protein molecules
D) all of the above

Question 17

The long,taillike structure that propels sperm cells is the

A) endoplasmic reticulum
B) cilia
C) Golgi apparatus
D) flagellum

Question 18

The organelles that are rod-shaped structures made of fine tubes and are important in cell division are the

A) ribosomes
B) mitochondria
C) Golgi apparatus
D) centrioles

Question 19

Which of the following transport processes does not require cell energy?

A) Osmosis
B) Dialysis
C) Pinocytosis
D) Both a and b above

Question 20

The process used by the cell membrane to actively take in fluids and dissolved substances is

A) osmosis
B) dialysis
C) filtration
D) pinocytosis

Question 21

Which of the following is not true of mitochondria?

A) Make protein for the cell
B) Are the site of cellular respiration
C) Are composed of two membranous sacs, one inside the other
D) Contain DNA

Question 22

The following is not one of the main parts of a cell

A) plasma membrane
B) interstitial fluid
C) cytoplasm
D) nucleus

Question 23

The largest human cell is about how much larger than the smallest human cell?

A) About 20 times larger
B) About 10 times larger
C) About 5 times larger
D) About twice as large

Question 24

Which of the following is not a function of the endoplasmic reticulum?

A) Receive proteins after they have been made by the ribosome
B) Produce new cell membrane for the cell
C) Digest microbes that may have entered the cell
D) Provide a route of transport from one part of the cell to another

Question 25

The main difference between active and passive transport is

A) the amount of material moved
B) the direction in which the material is moved
C) whether cell energy is required
D) the type of cell involved

Question 26

If a blood cell is placed in a hypertonic solution:

A) water will enter the cell
B) water will leave the cell
C) it will crenate
D) both b and c above

Question 27

If a 5% glucose solution were separated from a 10% glucose solution by a membrane that was permeable to both water and glucose

A) glucose would move from the 5% solution to the 10% solution
B) water would move from the 5% solution to the 10% solution
C) the movement of glucose between the two solutions would be equal
D) water would move from the 10% solution to the 5% solution

Question 28

DNA differs from RNA in that

A) DNA is double stranded
B) DNA contains the base uracil
C) DNA contains the base adenine
D) all of the above

Question 29

Because of complementary base pairing,if one side of a DNA molecule was ATCCGTAATC,the other side of the molecule would be

A) ATCCGCTAATC
B) AUCCGCUAATC
C) UAGGCGAUUAG
D) TAGGCATTAG

Question 30

If a blood cell is placed in an isotonic solution:

A) water will enter the cell
B) water will leave the cell
C) it will crenate
D) none of the above

Question 31

Chromosomes are pulled by spindle fibers to opposite sides of the cell during

A) interphase
B) prophase
C) anaphase
D) telophase

Question 32

Chromatin becomes organized into chromosomes during

A) interphase
B) prophase
C) anaphase
D) telophase

Question 33

If a blood cell is placed in a hypotonic solution:

A) water will enter the cell
B) water will leave the cell
C) it will crenate
D) both b and c above

Question 34

Chromosomes form chromatin and the nuclear envelope reforms during

A) interphase
B) prophase
C) metaphase
D) telophase

Question 35

Ribosomes are

A) composed mostly of a type of nucleic acid
B) sometimes attached to mitochondria forming "rough" mitochondria
C) important sites for energy release
D) none of the above

Question 36

Which of the following is not a function of the cell membrane?

A) Acting as the outer boundary for the cell
B) Acting as the gateway for the cell
C) Acting as a receptor site for hormones of the body
D) All of the above are functions of the cell

Question 37

Chromosomes align themselves in the center of the cell during

A) interphase
B) prophase
C) metaphase
D) telophase

Question 38

The process that actively traps solids in the cell membrane and brings them into the cell is

A) pinocytosis
B) phagocytosis
C) ion pumps
D) none of the above

Question 39

The DNA replicates itself during

A) interphase
B) prophase
C) anaphase
D) telophase

Question 40

Protein synthesis consists of the process of

A) mitosis
B) translation
C) transcription
D) both b and c above

Question 41

Small,fingerlike projections of the plasma membrane that increase the surface area of the cell and make absorption more efficient are called

A) cilia
B) ion pumps
C) microvilli
D) flagella

Question 42

Endoplasmic reticulum is the "digestive bag" of the cell.

Question 43

Which organelle is not found on the outer surface of the cell membrane?

A) Centriole
B) Flagellum
C) Cilia
D) All of the above structures are found on the outer surface of the cell membrane

Question 44

Carbohydrate chains in the cell membrane are used as identification tags for the cell.

Question 45

Another term for tissue fluid is

A) plasma
B) cytoplasm
C) interstitial fluid
D) blood

Question 46

The largest cell in the body is

A) a blood cell
B) a brain cell
C) a skin cell
D) an ovum

Question 47

In a cell,the fluid within the cell membrane is called ______________ and the fluid outside the cell membrane is called: __________________.

A) cytoplasm, interstitial fluid
B) interstitial fluid, tissue fluid
C) tissue fluid, interstitial fluid
D) interstitial fluid, cytoplasm

Question 48

Phospholipids and cholesterol are two lipid molecules found in the cell membrane.

Question 49

The process of DNA replication occurs during which phase of mitosis?

A) Prophase
B) Metaphase
C) Anaphase
D) None of the above

Question 50

Which of the following is not part of the cytoskeleton of the cell?

A) Microtubules
B) Endoplasmic reticulum
C) Microfilaments
D) All of the above are part of the cytoskeleton

Question 51

The mitochondria is considered the "power plant" of the cell.

Question 52

The nonliving material between the cell nucleus and cell membrane is called the cytoplasm.

Question 53

Cilia are hairlike structures on the free or exposed sides of some cells.

Question 54

Which of the following is not true of the process of transcription?

A) It occurs at the ribosome.
B) It occurs in the nucleus.
C) It forms a messenger RNA molecule.
D) Both a and c are not true.

Question 55

Which of the following is not true of ion pumps?

A) Found in the plasma membrane
B) Moves material down a concentration gradient
C) Is made of protein
D) All of the above are true of ion pumps

Question 56

The main structural unit of the cell membrane is the protein molecule.

Question 57

The ribosomes are the "power plants" of the cells.

Question 58

Which organelle contains nucleic acids?

A) Ribosomes
B) Golgi apparatus
C) Mitochondria
D) Both a and c above

Question 59

The function of transfer RNA is to

A) bring the ribosome to the endoplasmic reticulum
B) bring the messenger RNA to the ribosome
C) bring the RNA to the DNA for transcription
D) bring amino acids to the ribosome

Question 60

Because of complementary base pairing,if one side of a DNA molecule was ATCCGTAATC,the messenger RNA strand would be

A) ATCCGCTAATC
B) AUCCGCUAATC
C) UAGGCGAUUAG
D) TAGGCATTAG

Question 61

In DNA,adenine is always paired with thymine.

Question 62

Ribosomes are the "protein factories" of the cells.

Question 63

The things that make rough endoplasmic reticulum rough are ribosomes.

Question 64

The diffusion of water through a selectively permeable membrane is called dialysis.

Question 65

A cell put in an isotonic solution would crenate.

Question 66

Chromosomes and chromatin are both made of DNA.

Question 67

A cell put in a hypotonic solution would lyse.

Question 68

The nucleolus plays an important role in the formation of ribosomes.

Question 69

Osmosis and dialysis are special cases of diffusion.

Question 70

Filtration is an example of a passive transport process.

Question 71

Filtration uses hydrostatic pressure to move material through a membrane.

Question 72

Pinocytosis is a process by which the cell membrane takes in solid particles.

Question 73

Centrioles assist in cell division.

Question 74

Phagocytosis is a process by which the cell membrane takes in fluid and dissolved substances.

Question 75

A cell put in a hypertonic solution would take in water.

Question 76

Ion pumps are examples of active transport processes.

Question 77

The flagellum is the "tail" of the sperm cell and acts to propel it.

Question 78

The Golgi apparatus is called the "protein factory."

Question 79

A cell put in a hypertonic solution would crenate.

Question 80

The nucleolus is the "brain" of the cell; it directs all cell activity.