Photosystems are:

A) arrangements of chloroplasts within the cells lining the surface of leaves.
B) the wavelengths of light that reach the earth from the sun.
C) arrangements of light-catching pigments within chloroplasts.
D) arrangements of thylakoid membranes within the plant cell wall.
E) arrangements of ATP-synthase molecules within chloroplasts.


C) arrangements of light-catching pigments within chloroplasts.

Biology & Microbiology

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Fungi that grow as yeasts at one temperature but as molds at another temperature are called ________.

A. saprobes B. spores C. pseudohyphae D. parasites E. dimorphic

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During transcription which strand will act as the template for coding? a. The DNA strand

b. Both can be used as a template. c. The RNA strand. d. Neither is used as a template. e. None of these choices.

Biology & Microbiology

In animal skeletal muscles, red muscle fibers ____

a. have an abundance of myoglobin b. are mainly anaerobic c. have few mitochondria d. are good for short bursts of activity e. make ATP by lactate fermentation

Biology & Microbiology

Translation is initiated at the ____

a. AUG codon b. UAG codon c. anticodon d. promoter e. downstream sequence

Biology & Microbiology