Compare and contrast facilitated diffusion and active transport

What will be an ideal response?


Both require membrane transport proteins. However, facilitated diffusion does not require energy and moves substances down a concentration gradient. Active transport requires energy and moves substances against a concentration gradient.

Biology & Microbiology

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One mechanism of genomic imprinting silences an allele by DNA ____

a. methylation b. mutation c. transposition d. deletion e. inversion

Biology & Microbiology

A muscle that causes any type of movement in a joint when it contracts is called a(n) ____

a. flexor b. agonist c. depressor d. antagonist e. extensor

Biology & Microbiology

How is breathing rate regulated in humans before and during physical exercise?

What will be an ideal response?

Biology & Microbiology

When plants are produced by cloning, which process is most directly involved?

a. mitotic cell division b. binary fission c. meiotic cell division d. gamete production e. budding

Biology & Microbiology