A plate of solid growth medium with colonies on it is pressed gently onto sterile velveteen. The
velveteen "stamp" is used to make identical plates. This technique is called:
a. replication.
b. replica plating.
c. plating.
d. plate making.
e. horizontal gene transfer
B
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Microsatellites and minisatellites are distinguished from each other by the number of repeats
Indicate whether the statement is true or false
When studying fluid and electrolyte loss during exercise, Robert Cade found that human sweat has sodium and chloride concentrations that are ______ those found in the blood.
A. higher than B. lower than C. equal to D. extremely variable from person to person relative to E. There is no sodium or chloride in sweat.
A(n) ________ organism is generally harmless in its normal host but can become pathogenic in a compromised host.
Fill in the blank(s) with the appropriate word(s).
When non-sister chromatids exchange pieces of DNA, it is called _______.
a) independent assortment b) mitosis c) crossing over d) fertilization