Molecular analysis of lactase DNA __________ in humans shows that genes for that enzyme have __________ evolved in Africa and Europe to produce the same result.
Fill in the blank(s) with the appropriate word(s).
Ans:
sequences
independently
You might also like to view...
What is the function of a Toll-like receptor?
A. to bind to surface molecules present on phagocytes B. to bind to cytokines C. to bind to surface molecules present on pathogens D. to facilitate the extravasation of phagocytes
If a toxin blocks the receptors for the neurotransmitter on the postsynaptic muscle cell,
____________________.
a. paralysis will occur b. the person will have a seizure c. the action potential in the presynaptic cell fails d. calcium, which can function as a neurotransmitter, will be released
Fats that are liquids at room temperature are considered ________ fats
Fill in the blank(s) with correct word
Which of the following is true about both sperm and egg production?
A) Millions of mature gametes are produced daily. B) Initiation of meiosis is continuous after puberty. C) All resulting gametes are haploid. D) All cells that result from meiosis function as gametes. E) All resulting gametes are the same size.