Biological Molecules

Control Groups Are used to compare your results to the experimental group

Experiment A scientist is testing mild for the presence of bacteria. Exactly 100 ml of a test solution must be added to each milk sample. Which of these instruments would most accurately measure the volume of the test solution?

Measurement Which unit is best for measuring the height of a newly sprouted plant?

Water Is polar And a universal solvent

Acids and Bases

Double Helix

Nucleotide

Microscopes

Proteins Are made up of amino acids

Vitamin D Responsible for proper bone formation

Enzymes Help to speed up chemical reactions Help to break down substances

Nucleic Acids Store hereditary information Are found in our DNA

Carbohydrates Are a good source of food Are found in starches

Toxins any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., weight and such plant and animal toxins as ricin and snake venom.

Rates of Reactions Are affected by temperatures: Colder temperatures slow down reactions Warmer temperatures speed up reactions As pH decreases so will reaction rates

Lab Safety Wear goggles when using chemicals and glass Know your safety symbols

Benchmark I on Monday