Hardy-Weinberg equilibrium will not occur in a population in which
A. mutations do not occur.
B. individuals mate at random.
C. natural selection does not occur.
D. individuals immigrate or emigrate.
E. sexual selection does not occur.
Answer: D. individuals immigrate or emigrate.
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Match the following item:
A) GDP B) stimulation of Gi C) endocrine hormones D) inhibition of Gi E) IP3 F) Ras G) calcium ions H) catalyzes formation of second messenger diacylglycerol (DAG) I) calmodulin J) GTP K) potassium ions L) thrombin M) catalyzes formation of cAMP from ATP N) paracrine hormones 1) phospholipase C 2) precursor of diacylglycerol 3) second messenger associated with prevention of penetration of an animal egg by multiple sperm cells 4) primary signal associated with platelet activation 5) protein that, when bound with calcium, can be a second messenger 6) hormones acting over long distances 7) monomeric G protein 8) adenylate cyclase 9) pertussis toxin 10) necessary for the activation of heterotrimeric G proteins
What does evolutionary fitness measure?
A) physical health B) longevity C) relative reproductive success D) population size
Atoms in which the number of electrons does not equal the number of protons are known as
A. valences. B. isotopes. C. ions. D. isomers.
Mitochondria perform cellular respiration, a process that uses oxygen, generates carbon dioxide, and produces chemical energy for the cell
Which answer below indicates a correct pairing of material "burned" and the form of energy produced during cellular respiration? (a) fat, ADP (b) sugar, fat (c) sugar, ATP (d) fat, protein