Schizophrenia, hypertension, and diabetes are ____
a. caused by a mutation to the same common allele
b. believed to be diseases carried on the Y chromosome
c. caused only by environmental factors
d. caused by a single gene mutation
e. considered to involve complex traits
ANSWER: a
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A phospholipid has ______ fatty acids attached to glycerol, whereas a fat has _______.
A. 3; 4 B. 3; 2 C. 2; 3 D. 2; 4 E. 4; 2
An orchid benefits by growing on a tree trunk and the tree is unaffected by the orchid's presence. What is this type of reterm describes this relationship?
a. mutualism b. commensalism c. predation d. symbiosis e. herbivory
Water moves via osmosis from an area with a lower solute concentration to an area with a higher solute concentration
Indicate whether the statement is true or false
What is the normal length of a poly(A) tail?
a) about 100 adenosine residues b) about 500 adenosine residues c) about 700 adenosine residues d) about 1000 adenosine residues