Which of the following techniques has been used to clone sheep, cats, cows, and several other types of mammals?

A) DNA cloning
B) Somatic cell nuclear transfer
C) Therapeutic cloning
D) Electroporation
E) Gene knockout


B

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. _______2. _______3. _______4. _______5. a. Cryptosporidium parvum b. Ebola virus c. Escherichia coli O157:H7 d. Hantavirus e. Legionella pneumophila

Biology & Microbiology

What would the result be if histamine and nitric oxide were NOT secreted during a puncture injury?

A. The blood vessels would dilate. B. The blood vessels would be more permeable. C. The blood mast cells would constrict. D. Healing would be slower. E. Healing would not take place at all.

Biology & Microbiology

Archaea and bacteria diverged:

a. before archaea and eukarya diverged. b. after archaea and eukarya diverged. c. when archaea and eukarya diverged. d. after bacteria and eukarya diverged. e. before bacteria and eukarya diverged.

Biology & Microbiology

During HIV reproduction, spike glycoproteins

A. are embedded in the infected cell membrane. B. do not enter the cell with the virus. C. are released into the cytoplasm by cellular enzymes. D. are assembled into the virus along with reverse transcriptase. E. are embedded in the viral capsid.

Biology & Microbiology