Biology AAC Midterm Review

How do the 20 amino acids differ from one another?

• amine group

• carboxylic acid group

• hydrogen

• R group

A hypothesis must be testable.

• True

• False

In an experiment, the scientist

• Tests one variable

• Tests multiple variables

• Tests the conclusion

Which type of molecule provides quick energy?

• Nucleic Acids

• Lipids

• Carbohydrates

• Proteins

Select the lipid

• starch

• oil

• sugar

• disaccharides

Why do multicellular organisms have different types of cells?

• cell transport

• cell communication

• perform more than one function

• tp be less complex

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Organisms maintain homeostasis by

• keeping conditions constant

• changing internal conditions

Tags

NGSS.HS-LS1-3

Water is

• made of hydrogen and oxygen

• polar

• less dense as a solid

• all of these

Tags

NGSS.MS-PS1-1

Which compound is most abundant in mammals?

• carbon dioxide

• oxygen

• water

• glucose

In a solution is made up of a solute dissolved in a

• reaction

• solvent

• gas

• liquid