1. plants use pigments to collect or trap
a)
atp.

b)
glucose.

c)
sunlight.

d)
water.

2. the molecule is known as the universal energy source of the cell.

a)
amp

b)
atp

c)
gtp

d)
nadh

3)
the cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration is called
a)
osmosis.

b)
simple diffusion.

c)
active transport.

d)
passive transport.

4)
the site of photosynthesis in a plant cell is the
a)
ribosome.

b)
chloroplast.

c)
mitochondrion.

d)
endoplasmic reticulum.

5)
animal cells contains all of the structures except a
a)
nucleus.

b)
cell wall.

c)
mitochondria.

d)
golgi apparatus.

6)
a red blood cell will shrink in size when placed in a more concentrated salt solution because of the passive process called
a)
biosis.

b)
endocytosis.

c)
mitosis.

d)
osmosis.

7)
a cell with 1% solute concentration is placed in a beaker with a 5% solute concentration.

what will happen to this cell over time?

a)
the cell will gain h2o and expand.

b)
the cell will lose h2o and shrink.

c)
the cell will undergo no exchange of h2o with its surroundings.

d)
the cell will both gain and lose equal amounts of h2o ; thus, it will remain the same size.

8)
what would happen to a freshwater protozoan if removed from its normal habitat and placed into a saltwater pool?

a)
loss of water through osmosis

b)
gain of water through osmosis

c)
loss of water through active transport

d)
gain of water through active transport

9. the cell is taking in substances through membrane proteins, without any energy expenditure of its own. the substances naturally follow their concentration gradient. however, they must go through the protein channels, because they are too large to squeeze through the cell membrane. this process is called
a)
osmosis.

b)
endocytosis.

c)
active transport.

d)
facilitated diffusion.

10)
which process describes the atp-requiring movement of extremely large substances out of a cell in pockets called vesicles?
a)
exocytosis

b)
endocytosis

c)
phagocytosis

d)
passive transport

11)
homeostasis will be most affected by the removal of the
a)
vacuole.

b)
cell wall.

c)
chloroplast.

d)
cell membrane.

12)

identify the structure that protects and gives support to this plant cell.
a)
vacuole

b)
cell wall

c)
cytoskeleton

d)
cell membrane

13)

which organelle, found in this plant cell, breaks down sugars for cellular energy?
a)
chromosome

b)
mitochondria

c)
nucleus

d)
ribosomes

14)
the basic unit of life is a
a)
nucleus

b)
cell

c)
tissue

d)
organ

15)
the cell theory states that all living things
a)
have many cells and these cells are always in motion

b)
have many cells and they are too small to see

c)
are made up of one or more cells and they are the basic units of structure and function

d)
are able to reproduce and have many cells with specialized functions

16)
certain materials are allowed to pass through it and others are prevented from passing through. the type of cell membrane that is present in a plant and animal cell is called a

a)
selectively impermeable membrane

b)
selectively permeable membrane

c)
permeable membrane

d)
impermeable membrane

17)
the organization of cells follows this pattern -

a)
cells form organs, tissues, and systems

b)
cells form tissues, organs, and systems

c)
cells form systems, organs, and tissues

d)
cells form organs, systems, and tissues