Which of the following has the greatest amount of kinetic energy?

A) The cool air surrounding the car engine
B) A moving car
C) A tank of gasoline
D) A hot car engine
E) An unlit firecracker


B

Biology & Microbiology

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Archaea and Bacteria dominate the upper 100 m of the open ocean while viruses dominate depths greater than 100 m

Indicate whether the statement is true or false.

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Yeast cells grown in a nutrient-rich medium and then shifted to a medium lacking essential amino acids rapidlyreduce their level of splicing of transcripts for:

A. iron response genes. B. mating factor genes. C. AU-rich elements. D. ribosomal protein genes.

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This material provides a mechanism for the maintenance of normal human skin that prevents drying and also is involved in the production of an acid pH to prevent the colonization of poten-tially pathogenic organisms

a. sweat b. bacterocins c. antibodies d. sebum

Biology & Microbiology

A primer comprised of ________ is needed at the origin of nucleotide addition.

A. DNA B. helicase C. polymerase III D. RNA E. polymerase I

Biology & Microbiology