During facilitated transport, a carrier protein assists the movement of

What will be an ideal response?


a molecule down its concentration gradient. No energy is required.

Biology & Microbiology

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Medically important bacteria are often

A. grown on agar containing blood. B. grown at 37?C. C. grown on agar containing chocolate. D. grown at a pH of 5. E. grown on agar containing blood AND grown at 37?C.

Biology & Microbiology

As environments change, poorly adapted organisms will not survive and reproduce; therefore, we can expect species

to disappear at some low rate, called the ____.

a. background extinction rate b. punctuated equilibrium c. rate of phyletic gradualism d. rate of adaptive radiation

e. mass extinction rate

Biology & Microbiology

Individuals in this group often have intracellular shells of interlocking plates

a. green algae b. red algae c. euglenoids d. dinoflagellates e. diatoms

Biology & Microbiology

A ribosome has one binding site for mRNA and two binding sites for tRNAs

__________________ Indicate whether the statement is true or false.

Biology & Microbiology