A hormonal signal is detected by ____.

A. chloroplasts
B. transport proteins
C. receptor proteins
D. statoliths
E. plasma membranes


Answer: C

Biology & Microbiology

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The "X" shaped chromosomal hereditary material can be packaged in this organelle in eukaryotic cells but not in prokaryotic cells. This organelle is the:  

A.  ribosomes. B.  mitochondria. C.  nucleoid. D.  chloroplast. E.  nucleus.

Biology & Microbiology

The selective medium, thiosulfate citrate bile salts sucrose (TCBS) agar, is especially formulated for isolating what pathogen from stool cultures?

a. Vibrio b. Salmonella c. Shigella d. Plesiomonas

Biology & Microbiology

If each of two bacteria have a %GC of 50%, this means that they are both definitely closely related

Indicate whether this statement is true or false.

Biology & Microbiology

The muscles we call the hamstrings get their names from the long tendons (the strings) that these muscles have. When a pig was slaughtered, the cut of meat we call a ham was strung up in the smokehouse by these tendons. Where on a pig, then, does the ham come from?

a. upper front leg b. neck region c. upper back leg d. the belly region e. the shoulder region

Biology & Microbiology