Taxol, a drug treatment for breast and ovarian cancer, was isolated from ____
a. frog skin
b. vascular cambium of a tree
c. roots of a tree
d. insects
e. primates
ANSWER: b
Biology & Microbiology
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__________ secrete products such as sweat or
digestive enzymes through ducts.
Biology & Microbiology
The peripheral nervous system consists of the brain and spinal cord
Indicate whether the statement is true or false
Biology & Microbiology
Secretion of _____ stimulates breakdown of bone
a. glucagon c. thyroid hormone b. melatonin d. parathyroid hormone
Biology & Microbiology
What was the likely fate of the first life on
earth?
a. destroyed by a meteorite b. outcompeted by multi-celled organisms c. consumed by dinosaurs d. poisoned by oxygen gas e. starvation
Biology & Microbiology