Q: Unlike fibrous or cartilaginous joints, the articulating bone surfaces at what joint type are not directly connected to each other with fibrous connective tissue or cartilage? Choices: - proximal joint - knee joint - polymeric joint - synovial joint A:
synovial joint

Q: How many sets of chromosomes does each somatic cell have? Choices: - one - four - six - two A:
two

Q: Q: Australopithecus afarensis is an ancestor of what primate? Choices: - lemurs - orangutans - gorillas - humans A:
A: humans

Question: Q: As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what? Choices: - waves - patterns - obstacles - boundaries A:
Answer: boundaries

*Question*
Q: What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes? Choices: - thyroid disorders - immune system disorders - emotional disorders - genetic disorders A:
**Answer**
genetic disorders

Q: Compounds that form from two or more nonmetallic elements are called what? Choices: - ionic bonds - valent bonds - hydrogen bonds - covalent bonds A:
covalent bonds