Which of the following is a possible outcome of activation of the complement system?

A. inflammation
B. enhanced phagocytosis
C. bacterial cell lysis
D. All of the answer options are correct.


D

Biology & Microbiology

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The oxygen production measured in the experiments of this exercise

(a) is a consequence of the breakdown of hydrogen peroxide. (b) is an index of enzyme activity. (c) may depend on pH, temperature, or enzyme concentration. (d) is all of the above.

Biology & Microbiology

The main reason sodium and potassium ions CANNOT easily diffuse through plasma membranes is

A. these are large atoms and size prevents their diffusion through membranes. B. they have a high solubility in lipids. C. they have a low solubility in lipids. D. they have a high solubility in water. E. they have both a high solubility in water and a low solubility in lipids.

Biology & Microbiology

Nutrients are often transformed and cycled by oxidation-reduction reactions that can change the chemical and physical characteristics of the nutrients.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The concept of a prokaryote was first fully outlined in 1962 by  

A. Hershey and Chase. B. Gilbert and Cech. C. Stanier and Van Niel. D. Watson and Crick.

Biology & Microbiology