WorksheetsUnit 3 AP Biology Test
Total questions: 38
Worksheet time: 19mins
How does a cell use energy from ATP?
Bonds are broken between the second and third phosphate to create ADP.
A bond is broken at the sugar and phosphate to create a Nitrogen Base plus a Sugar bond.
Aero =
heat
air
space
energy
How are the equations for cellular respiration and photosynthesis similar?
The products and reactants are the same.
The products and reactants are on different sides.
How do organisms obtain energy from glucose?
Through eating food that contains glucose which is then broken down to create energy.
By breathing in oxygen alone.
Through the process of photosynthesis to create glucose.
Since glycolysis doesn't require oxygen, it is considered
Aerobic
Anaerobic
How many ATP molecules are netted from glycolysis?
3
4
2
1
The Kreb's cycle creates which of the following products?
H2O
2 ATP molecules
CO2
Pyruvate
What are products of the Electron Transport Chain?
Water & ATP
NADH
ATP Synthase
FADH2
Why is the Electron Transport Chain considered the "ATP King"?
It uses less energy
It has the most complex process
It produces the most ATP
How does fermentation make ATP?
It is an aerobic process
It happens through an anaerobic process.
What is your first name?
Charlesss
Charle
Charles
Charlees
Which of the following can do photosynthesis? Check all that apply.
Some bacteria
Some protists
Plants
People
What gas is produced in photosynthesis that directly benefits us?
Nitrogen
Carbon dioxide
Oxygen
Hydrogen
What are the products of photosynthesis?
oxygen & glucose
carbon dioxide & water
carbon dioxide, water, and light
carbon dioxide & oxygen
Pigments found in plants are necessary for
capturing energy from sunlight
cell growth
converting ATP into ADP
Does chlorophyll absorb green light?
No
Yes
What organelle in a plant is chlorophyll found in?
central vacuole
cell wall
chloroplast
mitochondrion
In photosynthesis, what are the two major reactions that take place?
carbon dioxide independent reaction
light independent reaction
carbon dioxide dependent reaction
light dependent reaction
Where does the light dependent reaction of photosynthesis occur? What is produced?
mitochondria; oxygen
cytoplasm; NADH
stroma; glucose
thylakoid; oxygen
Overall, what types of organisms benefit from the producers that capture energy from sun light and produce oxygen and sugar
Organisms that have chloroplast
organisms that are consumers
photosynthetic organism
organisms that are producers
Enzymes are
lipids
carbohydrates
nucleic acids
proteins
Proteins are made up of monomers called
monosaccharides
nucleotides
amino acids
fatty acids
Enzymes speed up and direct chemical reactions.
True
False
Specific substrates bind to which of the following parts of an enzyme
binding site
alpha pleating
activation energy
active site
The items that bind to the active sites of enzymes are called
nucleus
activation tool
substrate
substitution
Analogy: an enzyme's active site is to a specific substrate as a ____________ is to a ___________
cell wall; cellulose
lock; socket
cell wall; nucleus
lock; key
Enzymes can both build up or break down a substrate
True
False
Enzymes are called catalysts because they speed up chemical reactions without being permanently changed by the reaction
True
False
The end result items of the reaction are called the
substrate
product
enzyme
active site
If lactose is a disaccharide, what macromolecule must it be an example of?
protein
lipid
carbohydrate
nucleic acid
The enzyme lactase speeds up the break down of lactose into what 2 smaller monosaccharides? (Select two answers)
glucose
fructose
sucrose
galactose
What would it be called if someone does not make lactase, the enzyme that breaks down lactose?
vegan
lactose intolerant
Many enzymes end in _________. Many sugars end in _________.
ase; ose
ose; ase
True or False: Enzymes can be used over and over in a reaction. They are not used up.
True
False
In this video, PAC-MAN is an analogy for what?
enzymes
nucleic acids
amoebas
carbohydrates
Your stomach has a low pH because it is
basic
acidic
neutral
If the enzymes ideal environmental conditions like pH and temperature change too much then it can become
denatured
divided
dehydrated
What is an enzymes role in a cell?
Speed up chemical reactions by lowering the energy needed for the reaction to occur.
Slow down chemical reactions to safe levels.
Speed up chemical reactions by providing the cells with food.
