The negative logarithm of the hydrogen ion concentration in the solution is referred to as:
A. pH
B. atomic mass
C. -OH concentration
D. electronegativity
E. specific heat
A
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Eyeglasses correct deficiencies in the function of the ____ in a near-sighted person
a. ciliary muscle b. cornea c. iris d. lens e. pupil
Which of the following is the fundamental organizational unit of structure and function in living things?
a. Atoms b. Molecules c. Cells d. Organelles
The endocrine gland that controls homeostasis in terms of blood glucose levels is the
A. parathyroid gland. B. adrenal gland. C. pineal gland. D. pancreas. E. testis.
Which of the following is a mismatch?
A. thermoacidophiles - live in high temperatures and acidic environments B. methanogens - prefer anaerobic environments C. thermophiles - live in extremely cold temperatures D. halophiles - live in high salt environments