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Ohlsen Cells

Total questions: 58

Worksheet time: 29mins

Name
Class
Date
1.

A selectively-permeable phospholipid bilayer forming the boundary of the cells

a)

cytoskeleton

b)

plasma membrane

c)

nuclear envelope

d)

tonicity

2.

gel-like material, water based (aqueous) system of filaments & microtubules, keeps everything together, shape; labeled #7

a)

cytoplasm

b)

smooth endoplasmic reticulum

c)

golgi apparatus

d)

nuclear envelope

3.

part of the cell containing DNA and responsible for growth and reproduction; labeled #1

a)

cytoskeleton

b)

mitochondria

c)

nucleus

d)

cytoplasm

4.

system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids

a)

cytoskeleton

b)

endoplasmic reticulum

c)

ribosomes

d)

mitochondria

5.

portion of the endoplasmic reticulum studded with ribosomes, assembles proteins; labeled #5

a)

rough ER

b)

smooth ER

c)

golgi apparatus

d)

lysosomes

6.

portion of the endoplasmic reticulum that is free of ribosomes, assembles lipids; labeled #3

a)

rough ER

b)

smooth ER

c)

golgi apparatus

d)

lysosomes

7.

system of membranes that modifies and packages proteins for export by the cell, UPS of the cell; labeled #4

a)

rough ER

b)

smooth ER

c)

golgi apparatus

d)

lysosomes

8.

organelles containing digestive enzymes that break down carbohydrates, lipids, proteins, or nucleic acids; labeled #2

a)

rough ER

b)

smooth ER

c)

golgi apparatus

d)

lysosomes

9.

organelle that is the site of ATP (energy) production; labeled #9

a)

lysosome

b)

peroxisome

c)

mitochondrion

d)

ribosome

10.

having an aversion to water; tending to coalesce and form droplets in water

a)

hydrophilic

b)

hydrophobic

c)

hydroharmonic

d)

htdrophlegyic

11.

having an affinity for water

a)

hydrophilic

b)

hydrophobic

c)

hydroharmonic

d)

hydrophlegyic

12.

2 types of membrane transport

a)

active and passive

b)

active and subjective

c)

passive and subjective

d)

passive and conjunctive

13.

unassisted movement of a solute from an area of high concentration to an area of low concentration, type of passive transport

a)

facilitated transport

b)

osmosis

c)

simple diffusion

d)

solute pumping

14.

movement of specific molecules across cell membranes through protein channels, type of passive transport

a)

facilitated diffusion

b)

osmosis

c)

simple diffusion

d)

solute pumping

15.

hydrolysis of ATP required for movement across the membrane

a)

active transport

b)

passive transport

c)

facilitated diffusion

d)

osmosis

16.

process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, bringing it into the the cell; phagocytosis and pinocytosis are two special cases; pictured above

a)

endocytosis

b)

exocytosis

c)

solute pumping

d)

osmosis

17.

process of vesicles fusing with the plasma membrane & releasing their contents to the outside of the cell; pictured above

a)

endocytosis

b)

exocytosis

c)

solute pumping

d)

osmosis

18.

organelle that makes proteins; labeled #6

a)

cytoskeleton

b)

golgi apparatus

c)

lysosome

d)

ribosome

19.

organelles containing enzymes that breakdown toxic substances such as alcohols and produce hydrogen peroxide

a)

lysosomes

b)

peroxisomes

c)

ribosomes

d)

golgi apparatus

20.

network of fibers that holds the cell together, helps the cell keep its shape, and aids in movement

a)

cytoskeleton

b)

mitochondria

c)

peroxisomes

d)

golgi apparatus

21.

main energy source that cells use for most of their work, adenosine triphosphate; pictured above

a)

AMP

b)

ADP

c)

ATP

d)

GTP

22.

Osmosis involves the movement of _____ only!

a)

salts

b)

molecules

c)

water

d)

ions

23.

Which of the following would be an example of active transport?

a)

sodium/potassium pump

b)

facilitated diffusion

c)

osmosis

d)

simple diffusion

24.

The transport of proteins through a channel protein would be an example of what type of transport?

a)

solute pumping

b)

simple diffusion

c)

osmosis

d)

facilitated diffusion

25.

A cell responsible for destroying foreign material and waste, like a phagocytic white blood cell, would be expected to have more of what type of organelle in it's cytoplasm?

a)

mitochondria

b)

lysosomes

c)

ribosomes

d)

rough ER

26.

Which of the following shows blood in what would be considered an isotonic solution?

a)

first picture (left)

b)

second picture (middle)

c)

last picture (right)

d)

all three pictures

27.

Which of the following shows blood in what would be considered a hypotonic solution?

a)

first picture (left)

b)

second picture (middle)

c)

last picture (right)

d)

all three pictures

28.

Which of the following shows blood in what would be considered a hypertonic solution?

a)

first picture (left)

b)

second picture (middle)

c)

last picture (right)

d)

all three pictures

29.

Cells are able to be structurally different and perform different functions and jobs because of cell ____.

a)

differentiation

b)

cycle

c)

mitosis

d)

apoptosis

30.

Which of the following is NOT true about the plasma membrane?

a)

It has proteins embedded in it for specialized functions

b)

It only allows water soluble materials to pass through easily.

c)

It is mainly made of a phospholipid bilayer.

d)

It regulates what enters and exits the cell.

31.

A cell that needs a lot of ATP in order to do it's job effectively, like a muscle cell or a kidney cell, would be expected to have more of what organelle in it?

a)

lysosomes

b)

smooth ER

c)

mitochondria

d)

ribosomes

32.

A cell that produces a lot of lipids and detoxifies toxins, like some liver cells, would be expected to have a significant amount of

a)

mitochondria.

b)

lysosomes.

c)

rough ER.

d)

smooth ER.

33.

molecules that make the cell surface fuzzy, sticky and sugar rich; labeled #1

a)

glycoproteins (with oligosaccarhides)

b)

cholesterol

c)

phospholipids

d)

peripheral proteins

34.

Which of the following would NOT be considered part of the nucleus?

a)

nuclear envelope

b)

nucleolus

c)

chromatin

d)

cytoskeleton

35.

The polar phospholipid heads (labeled #4) are _____ while the non-polar tails (labeled #3) are ____.

a)

hydrophobic; hydrophilic

b)

hydrophilic; hydroprobic

c)

hydrophilic; hydrophilic

d)

hydrophobic; hydrophobic

36.

What is true of all cancers?

a)

They are caused by cigarette smoking and vaping.

b)

They are inherited.

c)

They are genetic (caused by damage to DNA).

d)

They respond to a single type of treatment.

37.

lipid responsible for the stability/fluidity of the plasma membrane; labeled #8

a)

cholesterol

b)

phospholipid

c)

glycolipid

d)

triglyceride

38.

Cancers can be caused by ________ of proto-oncogenes and/or _________ of tumor suppressor genes.

a)

activation; activation

b)

activation; inactivation

c)

inactivation; activation

d)

inactivation; inactivation

39.

What would you expect cells to be like if they did not have properly functioning p53, a protein that checks for damaged DNA and can stop the cell cycle and cause the cell to die if the damage cannot be repaired?

a)

The absence of p53 would have no effect on the cells.

b)

The absence of p53 could cause cells to skip mitosis (M phase) and stay in S phase of the cell cycle.

c)

The absence of p53 could cause cells to replicate with damaged DNA that could ultimately lead to cancer.

d)

The absence of p53 inside cells would cause them to divide more rapidly.

40.

Which of the following is NOT an example of diffusion?

a)

A sugar cube is dissolved in hot water and, without being stirred, all of the liquid becomes sweet tasting.

b)

A person blows air molecules into a balloon by exhaling forcefully.

c)

A crystal of blue copper sulfate is placed in a test tube of water. The next day the solid is gone, but the water is evenly colored.

d)

A perfume bottle is opened and soon the odor can be sensed in all parts of the room.

41.

Which of the following is NOT an example of osmosis?

a)

Air molecules escape from a punctured tire as a result of pressure inside.

b)

A fresh potato is peeled, weighed and soaked in a strong salt solution. The next day it is discovered that the potato has lost weight.

c)

Plant seeds soaked in water swell and become several times larger as before soaking.

d)

Garden grass wilts after being exposed to dry chemical fertilizer.

42.

A saltwater fish is placed into pure distilled water. Which of the following events would occur at the cellular level?

a)

Diffusion of salt ions out of the cells would occur.

b)

They would actively pump water into the cell.

c)

They would crenate (shrivel).

d)

They would swell until they lyse (burst).

43.

_________ are the basic structural and functional units of living organisms.

a)

atoms

b)

cells

c)

tissues

d)

organs

44.

During which phase of mitosis do the chromosomes attach to spindle fibers?

a)

anaphase

b)

metaphase

c)

prophase

d)

telophase

45.

During which phase of mitosis do the chromosomes line up down the middle of the cell?

a)

anaphase

b)

metaphase

c)

prophase

d)

telophase

46.

During which phase of mitosis do the chromatids pull apart and migrate to opposite ends of the cell?

a)

anaphase

b)

metaphase

c)

prophase

d)

telophase

47.

During which phase of mitosis do the chromosomes uncoil and the nuclear membrane reappears?

a)

anaphase

b)

metaphase

c)

prophase

d)

telophase

48.

Which of the following is NOT a role of proteins

embedded in the cell membrane?

a)

act as receptors

b)

act as selective channels

c)

form pores for transport

d)

regenerate ATP through cellular respiration

49.

The portion of the cell’s life cycle that does NOT involve cell division is known as

a)

anaphase

b)

interphase

c)

cytokinesis

d)

telophase

50.

What is the name for the carbohydrate-rich area at the cell surface?

a)

glycocalyx

b)

peripheral oligosaccharides

c)

oligocalyx

d)

integral saccharides

51.

The  impermeable, leakproof cell junctions that prevent substances from passing through pictured here are

a)

desmosomes

b)

gap junctions

c)

plasmodesmata

d)

tight junctions

52.
  • anchoring junctions (like rivets)that prevents cells from being pulled apart pictured here are called

a)

desmosomes

b)

gap junctions

c)

plasmodesmata

d)

tight junctions

53.

junctions that allow communication pictured here are called

a)

desmosomes

b)

gap junctions

c)

plasmodesmata

d)

tight junctions

54.

Pancreatic endocrine cells manufacture and secrete protein hormones while liver hepatocyte cells detoxify alcohol and other toxins. Which of the following subcellular structures is likely to be more prominent in pancreatic cells than liver cells?

a)

mitochondria

b)

lysosomes

c)

rough endoplasmic reticulum

d)

smooth endoplasmic reticulum

55.

Intravenous (IV) solutions administered to patients are normally isotonic. Which of the following is most likely if an IV of highly concentrated salt water is administered to a patient?

a)

The blood cells will shrivel.

b)

The blood cells will swell.

c)

It will have no effect on the blood cells.

d)

The buffer of the blood will neutralize the tonicity.

56.

A team of biologists develop a new drug, and one team member hypothesizes that the drug is incapable of freely passing across the plasma membrane and requires the help of membrane proteins to enter cells. Which of the following, if true about the drug, best supports this hypothesis?

a)

The drug is a large non-polar molecule.

b)

The drug is a large charged molecule.

c)

The drug is a small non-polar molecule.

d)

The drug is a very small polar molecule.

57.

At the cellular level, the structure (size, shape, arrangement, parts) of the cell helps determine the _______ of that cell.

a)

anatomy

b)

function

c)

orientation

d)

tranference

58.

Macrophages (white blood cells responsible for destroying foreign invaders by phagocytosis) would probably have more of which type of organelle compared to other cells?

a)

centrosomes

b)

lysosomes

c)

ribosomes

d)

smooth ER