Chemistry of Life Review

A covalent bond is the result of 

• transferring electrons
• sharing a proton pair
• sharing an electron pair
• transferring protons

A pH of 5 is

• neutral
• an acid
• a base

What is the most abundant compound in living things?

• sugar
• sodium choride
• carbon dioxide
• water

Which is not a monomer?

• nucelotide
• protein
• glucose
• amino acid

Which end of the water molecule is slightly positive?

• neutron end
• oxygen end
• hydrogen end
• rear end

What is the main source of energy for living things?

• proteins
• lipids
• carbs
• water

Tags

NGSS.HS-LS1-7

What is a catalyst?

• They slow the rates of reaction.
• They speed up the rates of reaction.
• They are used up in a reaction.
• They are always carbohydrates.

The 3 particles that make up an atom are

• positives, negatives, electrons
• protons, neutrons, electrons
• neutrons, isotopes, electrons
• protons, neutrons, isotopes

Tags

NGSS.MS-PS1-1

The 4 macromolecules are

• vitamins, lipids, water, micronutrients
• micronutrients, macronutrients, water, vitamins
• Lipids, Waxes, Vitamin A, Water
• Carbohydrates, Lipids, Proteins, Nucleic Acids

Tags

NGSS.MS-LS1-7

NGSS.MS-LS3-1

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile