Describe how NO3-is transported into a plant cell
What will be an ideal response?
ANSWER: Both of these ions are transferred by secondary active transport powered by a H+ gradient.
NO3- moves into plant cells by a process called symport. Here, the potential energy
released as H+ follows its gradient is coupled to the uptake of ions such a NO3–.
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Mitochondrial DNA can be used to trace ancestry and population history
A. true B. false
Enzymes work by___
Fill in the blank(s) with the appropriate word(s).
Chronic inhalation of particular fungal allergens would lead to a(n)
A) type I hypersensitivity reaction. B) type II hypersensitivity reaction. C) type III hypersensitivity reaction. D) type IV hypersensitivity reaction. E) autoimmune disease.
Proteins are long chains or polymers made up of
A. nucleotides B. carbohydrates C. amino acids D. lipids