Chemoorganotrophic bacteria can facilitate the formation of soil through the secretion of organic acids
Indicate whether the statement is true or false.
Answer: TRUE
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Rho-independent termination results in formation of a specialized structure that causes polymerase to stall. What is this structure called?
a. stable hairpin b. holoenzyme c. rho protein d. polyribosome
An insect such as a moth or cricket detects sound
a. though specialized tympanic membranes located near the head. b. through a thinned region of the exoskeleton. c. through general mechanoreceptors on its skin. d. by using a specialized organ that measures the frequency of vibration of the surrounding air particles. e. through a series of mechanoreceptors arranged in a lateral line.
The sternum is a major site of red blood cell
formation. The bones in the sternum must be ___ bones.
a. compact b. spongy c. cartilaginous d. fibrous e. synovial
Referring to the above diagram, which letter
represents the beginning of chemical digestion?
a. A b. E c. D d. H e. I