Thomas Brock discovered the heat-resistant bacterium ________, the source of heat-resistant DNA polymerase, in Yellowstone Park hot springs

a. Euglena mutabilis
b. Escherichia coli
c. Bacillus infernus
d. Thermus aquaticus


d

Biology & Microbiology

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Which of the following contains hydrolytic enzymes?

A) lysosome B) vacuole C) mitochondrion D) Golgi apparatus E) peroxisome

Biology & Microbiology

Enzymes speed up a chemical reaction by ____

a. lowering the activation energy b. lowering the optimal pH c. increasing the reaction temperature d. increasing the energy in the system e. increasing the activation energy

Biology & Microbiology

Reshaping the cornea using lasers is often used to treat

a. astigmatism. b. retinoblastoma. c. myopia. d. glaucoma. e. cataracts.

Biology & Microbiology

Multicellularity is a trait that has evolved independently in

A. animals B. plants C. fungi D. all of the above

Biology & Microbiology