The crater believed to be the site of the meteor impact that caused the extinction of the dinosaurs is on the coast of:

A. Alaska
B. Kenya
C. Mexico
D. India
E. China


Answer: C

Biology & Microbiology

You might also like to view...

Cholera can be transmitted by water or food

Indicate whether the statement is true or false.

Biology & Microbiology

How is initiation at oriC regulated in bacteria?

A. SeqA binds to hemimethylated DNA and sequesters the newly replicated origin. B. DnaA-ADP, formed when DnaA hydrolyzes its ATP, cannot maintain the destabilization of the origin so the closed complex reforms. C. The Hda protein binds the ? clamp causing DnaA to hydrolyze its ATP. D. RNA polymerase activity produces superhelical twisting that promotes melting of the origin by DnaA. E. All of these choices are correct.

Biology & Microbiology

Which statement is true of Planaria?

a. They have a well-developed circulatory system. b. They have a mouth located in their anterior end. c. They expel wastes via the action of ciliated flame cells. d. They contain a primitive, ladder-like skeletal system.

Biology & Microbiology

Antibiotics generally reduce the severity of septic shock by lysing the target bacteria.

a. true b. false

Biology & Microbiology