Ques: Q: Sickle-cell disease significantly impairs the function of what? Choices: - limbic system - nervous system - metabolism system - circulatory system A:
Ans: circulatory system

Ques: Q: Cycloalkanes are hydrocarbons whose molecules are closed rings rather than straight or branched chains. a cyclic hydrocarbon is a hydrocarbon with a ring of these? Choices: - oxygen atoms - hydrogen atoms - barium atoms - carbon atoms A:
Ans: carbon atoms

Ques: Q: Unlike prokaryotic cells, dna and rna synthesis in eukaryotic cells occurs in a separate compartment from synthesis of what? Choices: - membrane - phenotype - acids - protein A:
Ans: protein

Ques: Q: What kind of joints does the skull have that do not allow any movement? Choices: - fixed particles - fixed cells - fixed plates - fixed joints A:
Ans:
fixed joints