Assertion (A): Active transport is uphill transport. Reason (R): Active transport uses energy to pump molecules against the concentration gradient.
Options:
A . Both A & R are true and R explains A
B . Both A & R are true and R doesn't explain A
C . A is true and R is false
D . Both A & R are false
Answer: Option A : A Active transport uses energy to pump molecules against concentration gradient i.e from the region of lower concentration to higher concentration and hence the transport is referred as uphill transport.
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