In E. coli O157:H7, the O157:H7 refers to the
A. specific type of DNA present.
B. specific genus.
C. general family.
D. the specific LPS and flagella type present.
D
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In the chemical shorthand 14C, the 14 represents the
number of a. excess neutrons. b. protons plus neutrons. c. electrons. d. protons plus electrons. e. radioactive particles.
Mucinase has the greatest effect on the ________.
A. gastrointestinal system B. respiratory system C. genital system D. skin E. urinary system
The members of a homologous pair of chromosomes
a. are identical in size and appearance. b. contain identical genetic information. c. separate to opposite poles of the cell during mitosis. d. are found only in haploid cells. e. are present only after the S phase.
________ is the angiosperm tissue that is intended for nutrition of the embryo and not animal seed dispersal but is nonetheless an important food source for people. ________ and ________ are examples of crops in which the endosperm is an important food
source for people. Fill in the blank(s) with correct word