The proportion of oxygen in our atmosphere today is about:
A) 30%.
B) 2%.
C) 5%.
D) 10%.
E) 20%.
Correct Answer:
Verified
Q1: Organisms that consume preexisting organic molecules are
Q3: Examples of accessory pigments for photosynthesis are:
A)chlorophyll
Q4: A nanometer is:
A)one billion meters.
B)one millionth of
Q5: The organelle that carries out photosynthesis in
Q7: The reactant (reactants)of photosynthesis is (are):
A)oxygen.
B)water and
Q8: A membrane studded with photosynthetic pigments in
Q9: A gelatinous matrix inside the chloroplast containing
Q10: The main byproduct of photosynthesis that is
Q11: The primary pigment needed for photosynthesis is:
A)sunlight.
B)oxygen.
C)carbon
Q12: The energy source for the process of
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