Ques: Q: What functional units of chromosomes determine specific characteristics by coding for specific proteins? Choices: - chromosomes - DNA - cells - genes A:
Ans: genes

Ques: Q: What phenomenon involves the forcing of a substance into a cell against its concentration gradient? Choices: - active absorption - osmosis - secondary transport - primary active transport A:
Ans: primary active transport

Ques: Q: What type of scale is the richter scale? Choices: - dimensional - algorithmic - asymmetric - logarithmic A:
Ans: logarithmic

Ques: Q: The testes produce sperm and secrete what? Choices: - thyroxine - melanin - estrogen - testosterone A:
Ans:
testosterone