AP Bio Unit 1 Biochemistry

Which of the following are the 4 essential elements that make up 96% of living matter?

• H, O, N, P

• C, O, N, H

• C, O, S, H

• O, S, P, N

Which macromolecules ALWAYS contains nitrogen?

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

Which macromolecule ALWAYS contains phosphorus?

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

Which macromolecule sometimes contains sulfur?

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

Tags

NGSS.HS-LS1-6

Which of the following describes an isotope?

• Same number of neutrons, different number of protons

• Same number of neutrons, different number of electrons

• Same number of protons, different number of electrons

• Same number of protons, different number of neutrons

Tags

NGSS.HS-PS1-8

Which energy level has the highest amount of energy?

• First shell (closest to the nucleus)

• Second shell

• Third shell (farthest from the nucleus)

This type of bond results from unequal sharing of electrons.

• Polar covalent bond

• Nonpolar covalent bond

• Hydrogen bond

• Ionic bond

This type of bond results from the gain or loss of electrons.

• Polar covalent bond

• Nonpolar covalent bond

• Hydrogen bond

• Ionic bond

Tags

NGSS.HS-PS1-2

This type of bond results from an electronegative atom bonded to a hydrogen attracted to another electronegative atom.

• Polar covalent bond

• Nonpolar covalent bond

• Hydrogen bond

• Ionic bond

This type of bond results from equal sharing of valence electrons.

• Polar covalent bond

• Nonpolar covalent bond

• Hydrogen bond

• Ionic bond