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Trimester 2 Final Review.
Test Description: Review for the trimester 2 final
Instructions: Answer all questions to get your test result.
1) Diffusion is the movement of chemicals from an area of _________ concentration to an area of ____________ concentration
A
low, medium
B
low, high
C
medium, high
D
high, low
2) Surface area is an important factor in limiting cell growth because
A
the cell can burst if the membrane becomes too large
B
it would result in mutations
C
the exchange of vital materials such as oxygen and food, cannot occur rapidly enough to sustain the cell
D
materials cannot enter the cell
3) The 3 basic parts of a complete cell are the
A
cytoplasm, organelles, and cell membrane
B
DNA, cell membrane, and cytoplasm
C
nucleus, chromosomes, and DNA
D
cell membrane, cytoplasm, and mitochondria
4) Which is NOT true of the nucleus
A
the nucleus controls most activities in the cell
B
the nucleus provides energy to the cell
C
the nucleus transmits the hereditary material
D
the nucleus contains the hereditary material
5) The structure that regulates what enters and leaves the cell is called
A
the cell wall
B
the cell membrane
C
the nuclear membrane
D
the nucleus
6) What is an enzyme?
A
storage of genetic information
B
a specialized protein that acts to start or speed up chemical reactions in living organisms
C
the untwisting and unzipping of DNA
7) The compound cellulose is a major component of
A
the nucleolus
B
the cell membrane
C
the nucleus
D
the cell wall
8) the dispersal of ammonia fumes throughout a room is an example of
A
active transport
B
diffusion
C
phagocytosis
D
osmosis
9) The term selectively permeable is best appled to
A
the nucleus
B
the cell wall
C
the cell membrane
D
the mitochondrion
10) The process by which water passes into a cell is called
A
phagocytosis
B
osmosis
C
active transport
D
diffusion
11) Cell division in multicellular organisms account for all of the following except
A
repairing bones
B
appetite
C
healing cuts
D
growth
12) the production of offspring from one parent is called
A
asexual reproduction
B
meiosis
C
sexual reproduction
D
replication
13) What is a non renewable resource?
A
Example is wood, cotton, air, water, sun, soil
B
something that once it is used cannot be replaced
C
something that can be replenished through natural processes
14) Why do cells divide?
A
replacement, want, growth, and reproduction
B
replacement, repair, growth, and reproduction
C
replacement, repair, and learning
D
replacement, need, want, and drive
15) Gamates are
A
special vegetative cells
B
sexual reproductive cells
C
end products of mitosis
D
dound only in invertebrates
16) Organic compounds contain
A
hydrogen
B
carbon
C
oxygen
D
nitrogen
17) The oricess used to put molecules together is
A
synthesis
B
rehydration
C
dehydration synthesis
D
hydrolysis
18) The major difference between DNA and RNA is
A
RNA is single stranded
B
DNA leaves the nucleus
C
only DNA is found in humans
D
Uracil is found in DNA
19) Fatty acids and amino acids contain a group of elements (COOH-) which is called the
A
Hydroxyl group
B
Nitrogen group
C
Carboxyl group
D
Amino group
20) A molecule made up of three or more amino acids is called a
A
polysaccharide
B
polypeptide
C
nucleic acid
D
dipeptide
*select an answer for all questions
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