Which of the following processes is the flow of heat between atoms or molecules in direct contact?

a. conduction
b. radiation
c. evaporation
d. convection
e. radiative cooling


A

Biology & Microbiology

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Imagine that you are an interior architecture/biology double-major. While at home during break, one of your friends asks you to design and help build a spiral staircase that is modeled after a DNA molecule

The stair case must have 12 steps, and each step needs to be 6-feet wide. You say, "OK, as long as you provide the materials." So, your friend asks you for a list of materials needed to build the staircase. Which of the following includes the items necessary to make a staircase that is based on the molecular structure of a DNA molecule? A. 1 railing and 12 boards (each of which is 6- feet wide) B. 2 railings and 12 boards (each of which is 6-feet wide) C. 2 railings and 24 boards (12 that are 2-feet long and 12 that are 4-feet long) D. 2 railings and 24 boards (each of which is 3-feet long) E. 1 railing and 24 boards (12 that are 2-feet long and 12 that are 4-feet long) F. 1 railing and 24 boards (each of which is 3- feet long)

Biology & Microbiology

The phrase "one gene-one enzyme" is associated with the work of

A. Lederberg. B. Watson and Crick. C. Beadle and Tatum. D. Mendel.

Biology & Microbiology

Most (90 percent) of all cases of ____________________ cancer involve mutations of the MSH2 or

MLH1 genes, which destabilize the genome. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The immune system uses which of the following mechanisms to generate antigen receptor diversity?

a. stepwise rearrangements of Ig-encoding genes b. rearrangement of heavy- and light-chain genes in B cell development c. somatic recombination d. all of the above

Biology & Microbiology