The cell wall component algin is

a. found in the brown algae.
b. used in the production of ice cream.
c. used as a medium on which microorganisms are grown.
d. both a and b.


a

Biology & Microbiology

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In humans, XO individuals are females with Turner syndrome and XXY individuals are males with Klinefelter syndrome. Which of the following events cannot give rise to a Klinefelter male?

A) nondisjunction at meiosis I in the mother B) nondisjunction at meiosis II in the mother C) nondisjunction at meiosis I in the father D) nondisjunction at meiosis II in the father E) All of the choices could give rise to a Klinefelter male.

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Frameshift mutations may involve

a. substitution of nucleotides. b. substitution of codons. c. substitution of amino acids. d. insertion of one to several base pairs. e. all of these

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The term ________ involves the study of the blood components that fight infection

A) antisepsis B) chemotherapy C) etiology D) serology E) bioremediation

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What is the next frontier in the drinking water industry?

A- bottling B- evaporation C- distillation D- condensation E- desalination

Biology & Microbiology