Given that a human normally contains 46 chromosomes, give the chromosome number for each of the following conditions:
Turner syndrome (female, no Barr bodies)
Klinefelter syndrome (male, one Barr body)
A) 45, 47 B) 47, 47 C) 47, 45 D) 45, 46 E) 46, 47
Answer: A
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Which of these statements is true?
a. Plasma membranes can rupture if the cell absorbs too much water or is compressed. b. Proteins and carbohydrates embedded in the plasma membrane cannot shift positions. c. Plasma membranes containing saturated fatty acids are more resistant to freezing. d. Carbohydrates represent the largest portion of the plasma membrane by volume.
MacConkey agar is selective for Haemophilus influenzae
Indicate whether the statement is true or false
An infection of the membranes covering the brain is called
A. encephalitis. B. meningitis. C. arachnitis. D. ventriculitis.
When Louis Kunkel discovered the gene associated with Duchenne's Muscular Dystrophy in the 1980s, he then
needed to determine _____. a. the MIM number of the gene b. whether the gene was linked to blood type c. how the mutant gene produces the disease phenotype d. whether to use positional cloning to clone the gene e. how many copy number variants were present in the gene