Given the following table:
Supplement
1 2 3 4
Strain A + - + -
Strain B + + + -
Strain C + + + +
Strain D - - + -
where numbers 1 through 4 indicate four supplements that must be added to sustain growth of the organism, determine a
possible metabolic pathway that would give the results seen for the four mutant strains, A through D.
X ? + ? 4 ? + ? 2 ? + ? 1 ? + ? 3
? ? ? ?
C B A D
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Oogeneis is a gametogenic process following ________ that produces _______
A. binary fission ; sperm cells B. mitosis ; egg cells C. meiosis ; egg cells D. meiosis ; sperm cells E. mitosis ; sperm cells
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_____ pigments protect many phototrophic organisms from photochemically produced singlet oxygen
Fill in the blank(s) with the appropriate word(s).