What is the major function of the prokaryotic cell wall?

a) to determine the shape of the cell
b) osmotic protection
c) adherence onto pathogens
d) protection from phagocytosis


Answer: b) osmotic protection

Biology & Microbiology

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Molecular biologists rely on many, often sophisticated, techniques to pursue their discipline. Ultracentrifugation, electron microscopy, X-ray diffraction, electrophoresis, and computer interfacing are fundamental tools

Model organisms provide the raw materials for study. List three organisms (or organismic groups) often used by recombinant DNA technologists and describe a major advantage of each group.

Biology & Microbiology

The pH of the body is maintained at

A. 7.00-8.00. B. 6.00-7.00. C. 6.25-7.45. D. 7.35-7.45. E. 7.65-7.85.

Biology & Microbiology

Compare and contrast mitosis and meiosis using words, diagrams or both

What will be an ideal response?

Biology & Microbiology

If a cell contains 20 chromosomes, how many chromatids will be present during prophase?

A) 30 B) 20 C) 40 D) 5

Biology & Microbiology