Multiple sigma factors are essential to induce the biosynthesis of endospores, all of which are encoded by genes,
so a complex regulatory mechanism such as this likely has a higher chance of mutations leading to incorrect functioning compared to a simple repression mechanism.
Indicate whether the statement is true or false.
Answer: TRUE
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The cells that carry electric signals from one part of the body to another in the nervous system are ________
A) dendrites B) neurons C) effectors D) synapses
Which tissue lines all internal surfaces and the lining of the gut?
A. Epithelial B. Loose connective C. Supportive connective D. Fibrous E. Adipose
Aortic and carotid bodies are
Select one: a. the same as the SA and AV nodes. b. types of valves in the heart. c. present in the lungs. d. sensitive to changes in CO2 and H+ in the blood. e. sensitive to oxygen changes.
If neutral mutations occur at the rate of 0.000005 per individual, the rate of substitu-tions in that population will equal:
a. 2Ne*0.000005. b. (1/2Ne)*0.000005. c. 2Nek?*0.000005. d. 0.000005. e. None of the above.