Which of the following pairs is correctly matched?

a. middle lamella?cellulose
b. integrins?receptors
c. primary cell wall?pectin
d. fibronectins?wood
e. secondary cell wall?glycoproteins


b

Biology & Microbiology

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Multidrug therapy is always used when a patient is diagnosed as having:

A) an infection caused by MRSA. B) diphtheria. C) strep throat. D) tuberculosis.

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The first known member of the genus, Homo,

a. H. erectus. b. H. sapiens. c. H. neanderthalensis. d. H. habilis. e. H. floresiensis

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In polygyny, one female mates with several males

____________________ Indicate whether the statement is true or false.

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Oxygen has six electrons in its second outer shell, and hydrogen has one. With how many hydrogen atoms will oxygen form covalent bonds?

A) three B) eight C) six D) two E) one

Biology & Microbiology