Anatomy 125--The Cell

Front 1

___________ are rod-shaped bodies with interior folds, called cristae.

Back 1

Mitochondria

Front 2

When a cell is placed in a hypertonic or hypotonic solution the volume change is generally due to the ____________.

Back 2

net movement of water into or out of the cell

Front 3

Microscopically, chromosomes appear as _____________.

Back 3

rodlike bodies inside the cell

Front 4

A dialysis sac is permeable to water, but relatively impermeable to glucose. A dialysis sac filled with 40% glucose that is placed into a beaker containing distilled water, should see a ____________.

Back 4

net movement of water into the sac

Front 5

Filtration rate is directly dependent on _________.

Back 5

a pressure gradient

Front 6

A living cell placed in a hypertonic solution would ____________.

Back 6

shrink

Front 7

Which transport mechanism occurs as dye molecules placed at the center of an agar matrix spread out?

Back 7

diffusion

Front 8

Which transport mechanism will be observed if dye crystals are added to the bottom of a cylinder of water?

Back 8

diffusion

Front 9

When looking at different cell types, it is evident that cell shape is associated with ____________.

Back 9

cell function

Front 10

The plasma membrane controls the movement of substances into and out of the cell. The plasma membrane is able to do this because it is ____________________.

Back 10

selectively permeable

Front 11

Several different kinds of internal structures do the work of the cell. These are referred to as __________.

Back 11

organelles

Front 12

A dialysis sac containing 40% glucose is placed into a 40% glucose solution. The sac does not change weight, suggesting that ________.

Back 12

no net osmosis occurred

Front 13

The difference between active transport and passive transport is that __________.

Back 13

active transport uses cellular energy to drive the transport

Front 14

The polar heads of phospholipid molecules in a bilayer are located ___________.

Back 14

both outside the cell and inside the cell facing both the extracellular fluid and the cytoplasm

Front 15

A dialysis sac is comparable to a plasma membrane because it is _____________.

Back 15

selectively permeable

Front 16

The three structures that most animal cells have and that can be readily seen under a compound microscope are _____________.

Back 16

nucleus
plasma membrane
cytoplasm

Front 17

The phase when a cell is growing, carrying out its usual activities, and preparing to divide is called __________.

Back 17

interphase

Front 18

The mitotic stage in which the chromosomes align at the middle of the cell is called ___________.

Back 18

metaphase

Front 19

The net movement of dye molecules diffusing through water is from a ____________ to a ___________ concentration.

Back 19

high to low

Front 20

In osmosis, ________ moves through a differentially permeable membrane.

Back 20

water

Front 21

The function of ribosomes is __________.

Back 21

the site of protein synthesis

Front 22

In general, diffusion occurs when there is a(n) ____________.

Back 22

concentration gradient

Front 23

Which type of vesicular transport involves fluid and dissolved solutes entering the cell in a tiny vesicle?

Back 23

pinocytosis

Front 24

Identify the stage of mitosis when chromosomes first appear and the nuclear envelope and nucleolus begin to break down.

Back 24

prophase