The release of chemical signals into the extracellular fluid to affect nearby target cells is an example of ____ regulation
a. autocrine
b. endocrine
c. paracrine
d. systemic
e. exocrine
ANSWER: c
Biology & Microbiology
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Explain why a eukaryotic cell needs membrane-enclosed lysosomes and peroxisomes
What will be an ideal response?
Biology & Microbiology
The ________ zone is also known as the shallow subtidal zone
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Most or all protist cells have
a. a nucleus. b. a cytoskeleton. c. larger ribosomes than those of prokaryotes. d. mitochondria, ER, and Golgi bodies. e. all of these.
Biology & Microbiology
An organism whose decline or removal from a habitat causes many other species numbers to change dramatically is called ________ species.
A. a synergistic B. a nominal C. an introduced D. a keystone
Biology & Microbiology