Which color of light has the least important role in photosynthesis?

a. red
b. green
c. blue
d. orange
e. yellow


B; Chlorophyll is green and therefore reflects green light. Only light that is absorbed can be used in photosynthesis.

Biology & Microbiology

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The ascomycetes are named for their characteristic reproductive structure called a(n) ________.

A. ascocarp B. hypha C. thallus D. ascus

Biology & Microbiology

Which of the following provides some evidence that RNA probably evolved before DNA?

A. DNA polymerase has proofreading function. B. RNA polymerase makes a single-stranded molecule. C. RNA polymerase uses DNA as a template. D. RNA polymerase does not require localized unwinding of the DNA. E. DNA polymerase uses primer, usually made of RNA.

Biology & Microbiology

How does the C. elegans gene lin4 control the expression of lin14?

What will be an ideal response?

Biology & Microbiology

The (bacilli/Lactobacilli/bacteroids) are a group of Gram-negative bacteria that include obligate anaerobes normally found in the intestinal tracts of animals and humans.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology