Which unit of measurement is most commonly used for expressing cell size?
a. centimetre (cm)
b. decimetre (dm)
c. micrometre (µm)
d. millimetre (mm)
Answer: c. micrometre (µm)
You might also like to view...
Which of the following is INCORRECTLY paired?
a. pancreas ? insulin b. thyroid gland ? thyroxine c. hypothalamus ? melatonin d. adrenal cortex ? glucocorticoids e. posterior pituitary ? oxytocin
Which of the following, produced from a blood protein as part of the chain of events in response to a significant drop in blood pressure, quickly raises blood pressure by constricting many arterioles?
a. atrial natriuretic factor b. renin c. aldosterone d. antidiuretic hormone e. angiotensin
The most commonly occurring mutation in people with cystic fibrosis is a deletion of a single codon. This results in _____
A) a base-pair substitution B) a frameshift mutation C) a polypeptide missing an amino acid D) a nonsense mutation
An mRNA may not contain information for
a. the frequency of its own transcription. b. the frequency of its own translation. c. where in the cell it will be translated. d. how long it may be translated. e. synthesizing a polypeptide.