Chapter 4

Front 1

What type of microscope would be best for studying the detailed structure of the surface of a plasma membrane?

Back 1

Scanning electron microscope

Front 2

Diffusion is an example of

Back 2

Passive transport

Front 3

In a hypotonic solution, an animal cell will

Back 3

Lyse (explode)

Front 4

The act of a white blood cell engulfing a bacterium is

Back 4

Phagocytosis

Front 5

What name is given to the organelle that manufactures the components of ribosomes?

Back 5

Nucleolus

Front 6

Which of the following is a function of the plasma membrane?

Back 6

Regulation of the passage of material into and out of the cell

Front 7

Similar to the nucleus, chloroplasts and mitochondria are

Back 7

Surrounded by two membranes

Front 8

Osmosis can be defined as

Back 8

The diffusion of water

Front 9

Oxygen crosses a plasma membrane by

Back 9

Passive transport

Front 10

Which organelle is responsible for photosynthesis?

Back 10

Chloroplast

Front 11

Which of the following is a function of the Golgi apparatus?

Back 11

Protein modification

Front 12

What theory states that all living things are composed of cells?

Back 12

Cell theory

Front 13

When two solutions that differ in solute concentration are placed on either side of a selectively permeable membrane, and osmosis is allowed to take place, the water will

Back 13

Exhibit a net movement to the side with lower water concentration

Front 14

Active transport

Back 14

Can involve the transport of ions, uses ATP as an energy source, can move dilutes against their concentration gradient, and requires the cell to expand energy

Front 15

The two basic type of cells are

Back 15

Prokaryotic and eukaryotic

Front 16

Lysosomes are responsible for

Back 16

Digestion of organic matter inside the cell

Front 17

The passive movement of molecules along a concentration gradient is called

Back 17

Diffusion

Front 18

In eukaryotic cells, what name is given to the region between the nucleus and the plasma membrane?

Back 18

Cytoplasm

Front 19

Microtubules are associated with

Back 19

Flagella, cilia, cell shape, and chromosome movement

Front 20

Functions of the smooth endoplasmic reticulum include

Back 20

Lipid synthesis, steroid synthesis, and drug detoxification

Front 21

Phospholipids

Back 21

Major lipids of plasma membranes

Front 22

Why, when mixed with water, do phospholipids spontaneously form membranes?

Back 22

Phospholipids have hydrophilic phosphate groups that are attracted to water and hydrophobic fatty acid tails that avoid water

Front 23

In a hypotonic solution, a plant cell will

Back 23

Become turgid

Front 24

The nuclear envelope is composed of

Back 24

A double membrane

Front 25

The endomembrane system includes

Back 25

Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum

Front 26

Which of the following is not a type of cytoskeletal fiber that can be used for motion?

Back 26

Pili

Front 27

In plant cells, _____ may contain organic nutrients, pigments, and poisons

Back 27

Central vacuoles

Front 28

As cells increase in size, cell _______ increase more rapidly than cell _______.

Back 28

Volume; surface area

Front 29

When using a light microscope to view a cell you obtained from scraping under your fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of ________ cell.

Back 29

Prokaryotic

Front 30

A cell that neither gains nor loses water when is immersed of a solution is ______.

Back 30

Isotonic to its environment

Front 31

Facilitated diffusion across a biological membrane requires _______ and moves a substance _______ it's concentration gradient.

Back 31

Transport proteins . . . Down

Front 32

You find a cell of a type you have never seen before. The cell has both a nucleus and a cell wall. Therefore, you conclude that it must be a ______ cell.

Back 32

Plant

Front 33

Plant cells, unlike animal cells, are characterized by the presence of a _______.

Back 33

Cell wall and central vacuole

Front 34

Which of the following is not found in animal cells?

Back 34

Central Vacuole

Front 35

______ is to eating as _____ is to drinking.

Back 35

Phagocytosis . . . Pinocytosis

Front 36

The endosymbiotic theory is supported by all of the following evidence except

Back 36

Mitochondria have a matrix

Front 37

One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ______ prokaryotic cells.

Back 37

Have a membrane-bound organelles, which are lacking in

Front 38

Resolution

Back 38

The minimum distance two points can be apart and still be distinguished as two separate points

Front 39

The structural combination of DNA and protein forms ______.

Back 39

Chromatin

Front 40

What name is given to the organelle that manufactures the components of ribosomes?

Back 40

Nucleolus

Front 41

Which of the following organelles is NOT defined by a membrane?

Back 41

Ribosome

Front 42

Where does protein synthesis take place?

Back 42

On ribosomes

Front 43

Information is transferred from the nucleus to ribosomes via____.

Back 43

RNA

Front 44

Which of the following is NOT a component of the endomembrane system?

Back 44

Ribosome

Front 45

A hormone destined for secretion from the cell would be manufactured by ribosomes ________.

Back 45

Attached to the endoplasmic reticulum

Front 46

What structures move proteins from the ER to the Golgi apparatus?

Back 46

Transport vesicles

Front 47

Based on its functions in detoxifying drugs, you would expect to find a large amount of smooth ER in _______ cells.

Back 47

Liver

Front 48

Which of the following is a function of the Golgi apparatus?

Back 48

Protein modification

Front 49

Microtubules are a component of _______.

Back 49

The cytoskeleton

Front 50

Certain cells that line the stomach synthesize a digestive enzyme and secrete it into the stomach. This enzyme is a protein. Which of the following processes could be responsible for its secretion?

Back 50

Exocytosis