Which of the following is not a protein or group of proteins required for conjugation to occur?

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#Question id: 29583

#Unit 6. System Physiology – Plant

The specialized bacteria that are obligate parasites of the phloem tissue known as

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#Question id: 23731

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

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#Question id: 2234

#Unit 2. Cellular Organization

Which of the following statement(s) is (are) true of transmembrane proteins?

a. All contains a hydrophobic α helix.

b. Some serve as membrane attachment sites for peripheral membrane proteins.

c. Some contain more than one membrane-spanning domain.

d. All are asymmetrically oriented in the lipid bilayer.

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#Question id: 11760

#Unit 9. Diversity of Life Forms

Which of the following produce the dense glassy ooze found in certain areas of the deep-ocean floor?

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#Question id: 14503

#Unit 13. Methods in Biology

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?