Photosynthesis and Cellular respiration
Quiz by Leslie Mosley
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- Q1
If the activation energy of a biochemical reaction is lowered, then
the reaction will happen faster
the reaction will happen slower
the reaction will not happen at all
30s - Q2
The amount of energy needed for a reaction to start is the __________.
start energy
activation energy
chemical energy
30s - Q3
How does a competitive inhibitor change the rate of a chemical reaction?
It slows it down by blocking the active site
it makes it happen faster
it changes the shape of the enzyme
30s - Q4
Which of these BEST describes the possible effect of higher body temperatures on a body cell?
The shape of enzymes can change. This causes decreased functioning of the enzyme and disruption of chemical reactions in the cells.
Enzymes will begin to move at a faster rate. Diffusion across the cell membrane will no longer be able to occur.
Energy cannot be transformed to ATP due to the change in the amount of energy that can be stored in enzymes.
The cells will no longer reproduce enzymes through the process of meiosis.
30s - Q5
Which of the following will decrease the rate of a chemical reaction?
more substrate
decreasing the activation energy
decreasing the temperature
more enzymes
30s - Q6
Which organelle does photosynthesis occur?
chloroplast
nucleus
mitochondria
Golgi
30s - Q7
Why is the presence of chlorophyll in plants important?
it makes glucose
it creates ATP
it absorbs solar energy needed to create the sugar
30s - Q8
In an sunny aquatic ecosystem with photosynthetic algae, ___________ will ___________ the amount of carbon dioxide in the water.
photosynthesis; decrease
cellular respiration, increase
photosynthesis, increase
cellular respiration, decrease
30s - Q9
The purpose of photosynthesis is to
build protein
break down glucose to make ATP
store solar energy as sugar
30s - Q10
Do plants use glucose and oxygen?
yes
no
30s - Q11
Where do the light reactions occur?
stroma
thylakoid membrane
mitochondria
cytoplasm
30s - Q12
Where do the light independent reactions occur?
stroma
mitochondria
thylakoid membrane
cytoplasm
30s - Q13
How are mitochondria and chloroplast similar?
they both make ATP
they both use oxygen
They both have double membranes and their own DNA
they both make glucose
30s - Q14
Where does glycolysis, the first step in cellular respiration occur?
mitochondria
cytoplasm
chloroplast
nucleus
30s - Q15
Energy from food must be transformed into the bonds of __________ before it can be directly used by cells
oxygen
ATP
glucose
carbon dioxide
30s