*Question*
Q: What determines the length and thickness of dna chromosomes? Choices: - degree of rna coiling - type of dna - number of chromosomes - degree of dna coiling A:
**Answer**
degree of dna coiling

*Question*
Q: What is the name of the disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall? Choices: - arthritis - anemia - paralysis - atherosclerosis A:
**Answer**
atherosclerosis

*Question*
Q: The fossil record indicates that anthropoids began diverging from other primates about how many million years ago? Choices: - 70 - 40 - 60 - 50 A:
**Answer**
50

*Question*
Q: Kidney stones are considered a disease that affects which system? Choices: - muscular system - reproductive system - digestive system - urinary system A:
**Answer**
urinary system