The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria
suggests that ____ explains this change in G6PD allele frequency.
a. genetic drift
b. artificial selection
c. X-linked inheritance
d. the founder effect
e. natural selection
e
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Indicate whether this statement is true or false.
The alteration of the DNA sequence of gene will most often result in which of the following?
a normal protein b. a less functional or non-functional protein c. normal lipids d. less functional or non-functional lipids
Which of the following lowers the activation energy of a biochemical reaction?
A) Presence of a catalyst B) Low concentration of reactants C) High temperature D) Altering pH to 7 E) High concentration of products
Myasthenia gravis is a disease caused by the immune system that attacks the acetylcholine receptors found on muscle cells. What effect would blocking these receptors have on muscle contraction?
What will be an ideal response?