Your brain is a structure composed of different kinds of tissue. What is this kind of structure called?

a) organ system
b) cell
c) tissue
d) organ


Ans: d) organ

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

Taste buds contain clusters of _____ and supporting cells inside special epithelial papillae

1.chemoreceptors 2.mechanoreceptors 3.photoreceptors 4.thermoreceptors

Biology & Microbiology

Microorganisms placed in high concentrations of salts and sugars undergo lysis

Indicate whether the statement is true or false

Biology & Microbiology

A woman is missing one of her X chromosomes. With which of the following conditions would she be diagnosed?

A) Turner syndrome B) polyploidy C) cancer D) Klinefelter syndrome E) a chromosomal deletion

Biology & Microbiology