Properties of water and biomolecules

Which of the following compounds may be polymers?

• carbohydrates
• proteins
• nucleic acids
• all of these

Tags

NGSS.HS-LS1-6

The various enzymes in our body are

• lipids
• proteins
• nucleotides
• carbohydrates

Tags

NGSS.HS-LS1-6

When molecules of glucose and fructose combine to form sucrose, they do so by ___

• electron clouds
• dehydration synthesis
• hydrolysis
• radiation

Which of the following does not describe a polymer

• polymers form by covalent bonding
• polymers are broken down by hydrogenation
• polymers are made of monomers
• polymers are large molecules

Tags

NGSS.HS-LS1-6

Carbon compounds that come from living organisms are called ____ compounds.

• organic
• water
• homogenous
• biological

What are the building blocks of proteins?

• peptide bonds
• amino acids
• glycerol and fatty acids
• nucleic acids

Tags

NGSS.HS-LS1-6

How many electrons can a carbon atom share?

• one
• two
• three
• four

Water dissolves many ionic and molecular compounds because of its ___.

• hydrogen bonding
• covalent bonding
• ionic bonding
• polarity

Tags

NGSS.HS-ESS2-5

An organic compound with a ratio of about 2 hydrogen atoms and one oxygen atom for each carbon atom is a(n)

• nucleic acid
• amino acid
• carbohydrate
• lipid

Two atoms that share electrons are held together by ___bonds.

• hydrogen
• covalent
• ionic
• molecular