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WorksheetsKeystone Review Part 1
Total questions: 35
Worksheet time: 11mins
Name
Class
Date
1.
Water is a _____ molecule, which lends it to many important properties.
a)
polar
b)
nonpolar
c)
ionic
d)
metallic
2.
Compounds like H2O and CO2 would be ______, which compounds like C6H12O6 and C2H5O2N would be _____.
a)
nonpolar; polar
b)
polar; nonpolar
c)
organic; inorganic
d)
inorganic; organic
3.
A macromolecule contains the elements C,H, and O. It is a polymer of hexagonal rings, and the elements come out to a ratio of ~1:2:1. Which macromolecule would this be?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
4.
A monomer is to a polymer as...?
a)
a polysaccharide is to a monosaccharide
b)
a protein is to an amino acid
c)
a lipid is to a carbohydrate
d)
a nucleotide is to nucleic acid
5.
Which of the following is not a part of an amino acid?
a)
amine group
b)
carboxyl group
c)
phosphate group
d)
radical (R) group
6.
The "lock and key" model refers to
a)
dehydration synthesis
b)
hydrolysis
c)
monomers and polymers
d)
enzyme and substrate
7.
Hydrolysis involves the _____ of water to _____ a polymer.
a)
removal; break up
b)
removal; build
c)
addition; break up
d)
addition; build
8.
Glucose, a carbohydrate monomer, would be referred to as a(n)
a)
monolipid
b)
monosaccharide
c)
polysaccharide
d)
amino acid
9.
Biological protein catalysts speed up reactions by
a)
lowering activation energy
b)
increasing the reaction temperature
c)
decreasing the amt of reaction collisions
d)
all of the above
10.
Which type of cell has a nucleus?
a)
prokaryote
b)
eukaryote
c)
both
d)
neither
11.
The structure found in ALL cells that encloses a cell from the outside is the ______.
a)
cytosol
b)
cell wall
c)
endoplasmic reticulum
d)
cell membrane
12.
Plants have this structure that allows them to carry out photosynthesis
a)
chloroplasts
b)
chromosomes
c)
mitochondria
d)
golgi apparatus
13.
Where are ribosomes made?
a)
nucleus
b)
nucleolus
c)
rough endoplasmic reticulum
d)
golgi apparatus
14.
The function of the nucleus is to
a)
make the cell bigger
b)
make proteins
c)
surround and protect the cell
d)
surround and protect the DNA
15.
Which of the following correctly matches a cell part with its function?
a)
mitochondria...photosynthesis
b)
nucleus...make ATP
c)
vesicle/vacuole...storage
d)
lysosome...movement
16.
Some cells have a rigid _____ outside of the membrane for even more support.
a)
cell wall
b)
vesicle
c)
cytoskeleton
d)
flagellum
17.
Molecules naturally move from an area of _____ concentration to an area of _____ concentration..
a)
high; high
b)
high; low
c)
low; high
d)
low; low
18.
This cell barrier refers to the "fluid mosaic model" and is highly selective about what passes through
a)
gap junction
b)
cell wall
c)
nuclear membrane
d)
cell membrane
19.
Which of these is the most likely to diffuse through a cell membrane
a)
small, nonpolar molecule
b)
ion
c)
polar molecule
d)
large molecule
20.
Which form of cellular transport moves AGAINST the concentration gradient?
a)
active transport
b)
diffusion
c)
osmosis
d)
facilitated diffusion
21.
Water will exit the cell when placed in a/n _______ environment
a)
polar
b)
hypotonic
c)
hypertonic
d)
isotonic
22.
Which of the following organisms does NOT have a cell wall??
a)
E. coli
b)
roses
c)
portabella mushroom
d)
giraffe
23.
Facilitated diffusion uses which macromolecule to help move items across?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
24.
The sodium potassium pump is an example of
a)
facilitated diffusion
b)
active transport
c)
osmosis
d)
diffusion
25.
The diffusion of water across a membrane is known as
a)
facilitated diffusion
b)
active transport
c)
osmosis
d)
diffusion
26.
The formula 6CO2 + 6H2O ---> C6H12O6 + 6O2 refers to.
a)
photosynthesis
b)
respiration
c)
fermentation
d)
oxidation
27.
For eukaryotes, photosynthesis take place in the _____.
a)
mitochondria
b)
chloroplasts
c)
ribosomes
d)
cytoplasm
28.
Glycolysis starts with _______ and breaks it in half to release ____ net ATP.
a)
glucose; 2
b)
glucose; 4
c)
CO2; 2
d)
CO2; 4
29.
Fermentation takes place
a)
in the absence of CO2
b)
in the presence of CO2
c)
in the absence of O2
d)
in the presence of O2
30.
The most ATP is generated during.
a)
Kreb's cycle and electron transport chain
b)
light-dependent and light-independent reactions
c)
glycolysis and fermentation
d)
light-dependent reactions and fermentation
31.
Which of the following is NOT part of a nucleotide?
a)
5-C sugar
b)
phospholipid
c)
nitrogenous base
d)
phosphate group
32.
Which of the following examples illustrates osmosis?
a)
Water leaves the tubules of the kidney in response to the hypertonic fluid surrounding the tubules.
b)
Digestive enzymes are excreted into the small intestine.
c)
White blood cells consume pathogens and cell debris at the site of an infection.
d)
Calcium is pumped inside a muscle cell after the muscle completes its contraction.
33.
The rough endoplasmic reticulum and Golgi apparatus work together in eukaryotic cells. What is one way that the rough endoplasmic reticulum assists the Golgi apparatus?
a)
It assembles nucleic acids from monomers
b)
It breaks down old, damaged macromolecules
c)
It packages new proteins into vesicles
d)
It determines which proteins to synthesize
34.
In all reptiles, birds, and mammals, the processes of excretion, water and salt balance, and the regulation of pH in body fluids are controlled by the kidneys. This is an example of the organism maintaining
a)
reabsorption
b)
homeostasis
c)
insulation
d)
hibernation
35.
Which characteristic is shared by all prokaryotes and eukaryotes?
a)
ability to store hereditary information
b)
use of organelles to control cell processes
c)
use of cellular respiration for energy release
d)
ability to move in response to environmental stimuli
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