pH scale

What will be an ideal response?


a scale ranging from 0 to 14 that measures the approximate concentration of hydrogen ions of a substance

Biology & Microbiology

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Complex tissues are tissues consisting of ____

a. two or more cell types b. only one cell type c. only parenchyma cells d. only collenchyma cells

e. only sclerenchyma cells

Biology & Microbiology

The tissue that is used for defense against bacteria and other foreign agents is the

a. spleen. b. tonsil. c. liver. d. thymus. e. lymph node.

Biology & Microbiology

The process of fertilization produces a/an:

A) blastula. B) zygote. C) embryo. D) morula. E) gastrula.

Biology & Microbiology

Which equation represents cellular respiration?

A C6H12O6 + 6O2 eq115500_a1 6CO2 + 6H2O B 6CO2 + 6H2O eq115500_b1 C6H12O6 + 6O2 C C3H8 + 5O2 eq115500_c1 3CO2 + 4H2O D 3CO2 + 4H2O eq115500_d1 C3H8 + 5O2

Biology & Microbiology