All of the following are found in the cell walls of gram+ bacteria EXCEPT:
a. lipids
b. teichoic acids
c. peptidoglycan
d. n-acetylglucosamine
Ans: a. lipids
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Which statement about electrons is true?
a. Electrons reside outside of the nucleus and have a charge of -1. b. Electrons reside inside of the nucleus and have a charge of +1. c. Electrons have a mass of 1 and a charge of +1. d. Electrons have a mass of 1 and a charge of -1.
In a family pedigree that followed several
generations, Gaucher’s disease was found in family members every other generation and equally in males and females. Gaucher’s disease is most likely a ______ disease.
a. dominant b. recessive c. X-linked d. epistatic e. pleiotrophic
A rock on the top of a mountain contains ________ energy
A) potential B) no C) kinetic D) conserved
Which of the following must be true for a female to have hemophilia?
a. Her mother is not a carrier and her father has the disease. b. Her mother is homozygous normal and her father is a carrier. c. Her father and mother are heterozygous. d. Her mother is a carrier and her father has the disease. e. Her father is heterozygous.