Trachoma is caused by
a) Chlamydia trachomatis.
b) Neisseria gonorrhoeae.
c) Aspergillus.
d) Haemophilus influenzae.
Ans: a) Chlamydia trachomatis.
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Regulatory transcription factors: (Select all correct choices)
A. bind to DNA sequences in or near enhancer genes. B. recruit components of the transcriptional complex of proteins. C. recruit the components of the RNA polymerase complex.
Homoplasies are similarities that result from shared ancestry
1.True 2.False
Any substance that is present at the end of a reaction or a pathway is called a(n)
a. reactant. b. end product. c. substrate. d. intermediate. e. chemical.
Taking this exam might have caused your adrenal cortex to produce cortisol, the most common glucocorticoid. Cortisol is usually produced in response to
A) a drop in blood pressure. B) the release of adrenaline. C) increased brain activity. D) stress or anxiety. E) inactivity.