Which of the following groups of photosynthetic bacteria are capable of oxygenic photosynthesis?
A. The cyanobacteria
B. The purple bacteria
C. The green bacteria
D. All of the choices are correct.
Answer: A
Biology & Microbiology
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For mechanisms of sex determination, which of the following is incorrectly paired?
A. X-Y, cow B. X-O, grasshopper C. ZZ-ZW, bluebird D. 1n-2n, pea plant E. high temperature-low temperature, alligator
Biology & Microbiology
The sheaths that surround neurons are composed of
a. amino acids. b. lipids. c. cholesterol. d. carbohydrates e. polysaccharides.
Biology & Microbiology
Which of the following features do bivalves share
with sponges? a. lack of symmetry b. flagellated collar cells c. similar mode of feeding d. siphons e. none of these
Biology & Microbiology
Sac fungal yeasts most commonly reproduce asexually by_______________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology