Which of the following organisms have a cell wall composed of silicon?

a) cyanobacteria
b) diatoms
c) archaebacteria
d) euglena
e) dinoflagellates


Answer: b) diatoms

Biology & Microbiology

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In this representation of transcription, the first

genetic word of RNA is

a. ATG. b. ATA. c. UAU. d. GUG. e. AUG.

Biology & Microbiology

Which of the following is a function of the Golgi apparatus?

A) digestion of organic matter inside the cell B) protein modification C) drug detoxification D) cell respiration

Biology & Microbiology

Hfr cells can integrate the F factor and some genes into the bacterial chromosome. How do Hfr cells accomplish this?

a. through crossing-over b. through mitosis c. through meiosis d. through prophase

Biology & Microbiology

________ is the pigment produced by melanocytes that gives skin its color

Fill in the blank(s) with correct word

Biology & Microbiology