Which of the following is an important mineral ion that is a component of chloroplasts and stabilizer of membranes and ribosomes?
A) iron
B) zinc
C) calcium
D) magnesium
E) potassium
Correct Answer:
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Q11: Which of the following is the largest
Q12: An organic nutrient that cannot be synthesized
Q13: The term heterotroph refers to an organism
Q14: The methanogens, producers of methane gas, require
Q15: Microorganisms require small quantities of this nutrient
Q17: Which term refers to a nutrient that
Q18: Organisms that feed on dead organisms for
Q19: The type of photosynthesis that does not
Q20: Growth factors
A)are inorganic.
B)are synthesized by the organism.
C)contain
Q21: When whole cells or large molecules in
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