Biochemistry

What is the function of nucleic acids?

• Stores energy
• Stores genetic information
• Movement
• Physical structure

Tags

NGSS.HS-LS1-1

What is a peptide bond?

• Bond that holds two amino acids together.
• A bond that holds hydrogen and oxygen molecules together.
• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
• A bond that is formed by the sharing of electrons.

What is the charge of an electron?

• Positive

• Negative

• Neutral

What is the charge of an proton?

• Positive

• Negative

• Neutral

What is the charge of an neutron?

• Positive

• Negative

• Neutral

Where are the protons and neutrons located within an atom?

• In the nucleus

• In the electron cloud

• Atoms don't have protons or neutrons

Tags

NGSS.HS-PS1-8

What does the atomic # tell you about an element?

• The number of electrons

• The number of protons

• The number of neutrons

• The average mass of the element

Which of the following best describes an ion?

• An atom that is neutral

• An atom that is moving really fast

• An atom that is sharing its electrons

• An atom that has a positive or negative charge.

Which of the following statements best describes a covalent bond?

• A bond where nitrogen is bonded to everything.

• A bond where electrons are shared.

• A bond where electrons are donated from one atom to another.

Which of the following is an example of a compound?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

Tags

NGSS.MS-PS1-1