Hormones are released from one cell and act on other cells in distant organs and are thus an example of ____.

A. paracrine signaling
B. intercellular signaling
C. endocrine signaling
D. contact-to-contact signaling
E. autocrine signaling


C. endocrine signaling

Biology & Microbiology

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The types of bonds found in nucleic acids are:

A. phosphodiester bonds. B. peptide bonds. C. ionic bonds. D. non-polar covalent bonds.

Biology & Microbiology

Which of the following is considered an opportunistic pathogen?

A) Toxoplasma gondii B) Trichomoniasis vaginalis C) Candida albicans D) Plasmodium vivax

Biology & Microbiology

Over ________ species of fungi have been named with an estimated ________ still to be named

a. 5,000, 15,000 b. 280, 1,000 c. 70,000, 1 million d. 20,000, 5 million e. 200,000, 2 million

Biology & Microbiology

Several human disorders are the result of abnormalities in chromosome number. The most common are trisomies of chromosome numbers________ ,________ , or _________ , or abnormalities in the number of sex chromosomes.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology