The DNA binding motif for many prokaryotic regulatory proteins, such as the lac repressor, is:

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#Question id: 14776

#Unit 13. Methods in Biology

A single letter is selected at random from the word “PROBABILITY”. The probability that it is a vowel is

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#Question id: 23773

#Unit 7. System Physiology – Animal

Which of the following describes the duplicity theory of vision?

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#Question id: 3330

#Unit 11. Evolution and Behavior

Which of the following Population have Hardy- Weinberg equilibrium?

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#Question id: 12484

#Unit 2. Cellular Organization

Match the following.

Column I	Column II
A. APC/CCdc20	i . responsible for ubiquitinating proteins, such as mitotic cyclins
B. APC/CCdh1	ii. responsible for destroying proteins, such as securin
	iii. promotes the metaphase–anaphase transition
	iv. Promotes exit from mitosis

Which of the following is correct?

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#Question id: 4942

#Unit 11. Evolution and Behavior

Which of the following has not yet been synthesized in laboratory experiments studying the origin of life?