The era during which the earliest signs of life appeared was the

a. Archean
b. Paleozoic
c. Mesozoic
d. Cambrian
e. Cenozoic


A

Biology & Microbiology

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The DIRECT yield of ATP from the electron transport system is

a. 2. b. 8. c. 32. d. 36. e. 48.

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Most conifers are dioecious

____________________ Indicate whether the statement is true or false.

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Interstitial fluid is _____

A) the internal environment inside animal cells B) identical to the composition of blood C) a common site of exchange between blood and body cells D) found only in the lumen of the small intestine

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In an enveloped virus, the part of the virus including the nucleic acid genome and the surrounding protein coat but not the envelope is called the ________.

A. capsid B. virion C. nucleocapsid D. matrix

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