Biological Molecules

The most abundant compound in most living things is

• sodium chloride

• sugar

• carbon dioxide

• water

Which of the following pairs is unrelated

• Sugar and carbohydrate

• Amino acid and protein

• Fat and lipid

• Glycogen and nucleic acid

Tags

NGSS.HS-LS1-1

A macromolecule is composed of smaller units called

• Cells

• Monomers

• Isomers

• Polymers

Water is polar which means that

• Both ends of the molecule have a positive charge

• Both ends of the molecule have a negative charge

• One end of the molecule has a positive charge, while the other end has a negative charge

• The molecule is neutral

The framework of all organic macromolecules is made of straight chains, branched chains, and rings of

• Hydrogen

• Carbon

• Oxygen

• Phosphorous

• Nitrogen

Tags

NGSS.HS-LS1-6

Which of the following best describes water and the relation to specific heat capacity?

• Water has a high specific heat capacity meaning it requires very little energy to change temperature

• Water has a low specific heat capacity meaning it requires very little energy to change temperature

• Water has a high specific heat capacity meaning it requires a lot of energy to change temperature

• Water has a low specific heat capacity meaning it requires a lot of energy to change temperature

Which of the following represents the correct ranking of terms from smallest to largest

• Polymer→monomer→carbon atom

• Carbon atom→polymer→monomer

• Monomer→carbon atom→polymer

• Carbon atom→monomer→polymer

What does it mean that water is a universal solvent?

(a)  

Tags

NGSS.HS-ESS2-5

Carbohydrate's monomer is

• monosaccharide

• amino acid

• fatty acid

• Nucleotide

Lipid's monomer is

• monosaccharide

• amino acid

• fatty acid

• Nucleotide