A mass of hyphae is commonly referred to as
a. a mycelium
b. a mycorrhiza
c. a conidium
d. a sporangium
e. an oomycota
Ans: a. a mycelium
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Which part(s) of the brain, when impaired by alcohol, play an important role in memory:
A. Nucleus accumbens
B. Hypothalamus
C. Hippocampus
D. All of the above
Acetogens are anaerobic organisms that produce acetate as the main product of their metabolism. They are important in
A) the production of vinegar. B) the carbohydrate metabolism of the human gut. C) hydrothermal vent communities. D) the production of vitamin C.
Which of the following is an example of a protein that is inhibited when bound to its regulatory subunit(s) but becomes active when free?
a. Adenylyl cyclase b. cAMP-dependent protein kinase c. Protein kinase C d. Phosphorylase kinase
Chemical signaling molecules, such as interleukins and interferons, secreted by white blood cells are called ______.
A. histamines B. neutrophils C. hormones D. cytokines E. complement