Briefly describe the bacterial nucleoid and the molecules required for its folding
What will be an ideal response?
Ans: The bacterial nucleoid is about 80% DNA, with the remaining 20% being protein and RNA. It is clear that proteins are responsible for its folding, but the specific proteins have yet to be identified. RNA is also likely to play a role in nucleoid folding.
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A form of natural selection favoring the spread of alleles that promote behaviors that help close relatives is called ____ selection
Fill in the blank with the appropriate word.
Which of the following is not a characteristic of echinoderms?
A. They have radial symmetry in adults. B. They have spiny skin. C. They exhibit cephalization. D. They have bilateral symmetry in larvae. E. They have a complete digestive tract.
In the chemical shorthand 14C, the 14 represents the
number of a. excess neutrons. b. protons plus neutrons. c. electrons. d. protons plus electrons. e. radioactive particles.
Bioaugmentation is a process that involves ________
A) using plants for bioremediation B) ex situ bioremediation C) adding microbes to a cleanup site D) bioventing E) sludge removal