If you are cast up on a desert island with no fresh
water to drink, the level of which of the following
will rise in your bloodstream in an effort to conserve
water?
a. erythropoietin
b. oxytocin
c. insulin
d. antidiuretic hormone
e. glucose
Answer: d
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What is the primary beneficial function of fungi?
a. Breaking down insoluble organic matter b. Defending plants against pests and diseases c. Serving as food for most aquatic species d. Removing pesticides and fertilizers from soil
Also called an ovum; haploid cell that is usually fertilized by a sperm to form a diploid zygote.
What will be an ideal response?
Glycoprotein spikes protruding from the outer surface of viral envelopes function as ________.
A. toxins B. cell lysis factors C. factors needed for site specific recombination D. factors that bind to host cells
In photosynthesis, plants use carbon from __________ to make sugar and other organic molecules.
Fill in the blank(s) with the appropriate word(s).