Molecules of Life 2021 (MS22)

Water is a versatile solvent due to its

• low viscosity.

• polar molecules.

• high specific heat.

• high boiling point.

What type of bonds can be found between water molecules

• covalent
• ionic
• hydrogen
• peptide

At what temperature is water at its densest?

• 0°C

• 4°C

• 36°C

• 100°C

Which of the following characteristics of water are essential for the proper functioning of tissue fluid?

I. Water has low viscosity

II. Water has high surface tension

III. Water has maximum density at 4ºC

• I only

• I and II

• II and III

• I, II and III

Which macromolecule is made of simple and complex sugars?

• lipids
• proteins
• carbohydrates
• nucleic acids

These molecules are examples of ________.

• monosaccharides
• amino acids
• triglycerides
• fatty acids

Tags

NGSS.HS-LS1-6

What type of carbohydrate is this?

• polysaccharide
• disaccharide
• monosaccharide
• it isn't a carbohydrate

Which of the following is TRUE of both starch and cellulose?

• they are both polymers of glucose.

• they are both used for storing energy in plants.

• they are both used for structure in plant cells.

• they both make up a considerable part of the plasma membrane.

Another name for fats and oils

• proteins
• sugar
• lipids
• nucleic acids

Lipids are made up of which of the following?

• glycerol and fatty acids
• glycerol and monolipids
• fatty acids and phosolipids
• amino acids and nucleotides