How many Barr bodies does a normal human female contain in each diploid cell?
A. 0
B. 1
C. 2
D. 3
Answer: B
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Bulimia nervosa is a disorder that involves:
(a) paranoia (b) psychosis (c) excessive anxiety in social situations (d) bingeing and purging
define muscle dysmorphia
What will be an ideal response?
Four nucleic acid samples are analyzed to determine the percentages of the nucleotides they contain. Which of the following DNA sample(s) could be double-stranded DNA?
Sample 1: A(22%), G(28%), T(22%), U(0%), C(28%); Sample 2: A(30%), G(30%), T(0%), U(20%), C(20%); Sample 3: A(18%), G(32%), T(0%), U(18%), C(32%); Sample 4: A(29%), G(29%), T(21%), U(0%), C(21%) a. Sample 1 b. Samples 1 and 2 c. Samples 1 and 4 d. Samples 2 and 3 e. Samples 3 and 4
The Earth completes one rotation about its axis every
A. 1 month. B. 1 year. C. 1 day. D. 12 hours.