Dr. Mickster combined several nitrogen atoms together in a chemical reaction. Which did he create?

a. a nitrogen compound

b. a nitrogen mixture

c. a nitrogen molecule

What has the most influence on the zone of inhibition of an antibiotic, antiseptic, or disinfectant?

Red and white roses are cross-bred (neither are dominant). The offspring would be, because of

Which is the smallest cell in a humanbody?

The surface of the earth is mainly water. true or false

Which best summarizes the process of protein synthesis? a. RNA instructs DNA to make proteins. b. DNA unzips, resulting in the formation of two protein molecules. c. RNA moves the DNA code to the ribosomes for protein synthesis. d.

Species that colonize the newly exposed land first are called

Chromosomes other than sex cells are known as

3 types of reactions that can be catalyze by enzymes

Which type of sedimentary rock forms from weathered sediment? chemical clastic coal organic

suppose you mix baking soda and white vinegar. what signs might indicate that a chemical change is occurring?