Q: Who first proposed that earth is a magnet? Choices: - Albert Einstein - Isaac Newton - Marconi - william gilbert A:
william gilbert

Q: Where do most biochemical reactions take place? Choices: - stomach - upper atmosphere - outside of cells - within cells A:
within cells

Q: Q: Which group of the periodic table consists of hydrogen and the alkali metals? Choices: - group 2 - group 4 - group 3 - group 1 A:
A: group 1

Question: Q: Iron is oxidized to fe2+(aq) at an anodic site on the surface of the iron, which is often an impurity or this? Choices: - displacement defect - spontaneous mutation - ladder complex - lattice defect A:
Answer: lattice defect

*Question*
Q: What determines which codon in the mrna the trna will bind to? Choices: - gene - amnion - exon - anticodon A:
**Answer**
anticodon

*Question*
Q: The oxygen regions of the water molecules have what kind of charge? Choices: - positive - neutral - certain - negative A:
**Answer**
negative