Unit 1 Test Review 2020: Biochemistry

What type of macromolecule is shown in the image below?

• Carbohydrate
• Nucleic Acid
• Fatty Acid
• Protein

An unknown molecule contains a sugar and a phosphate group. It is likely what?

• carbohydrate
• protein
• lipid
• nucleic acid

Tags

NGSS.HS-LS1-6

Larger polymers are formed when monomers are joined together by a _______ reaction.

• dehydration synthesis
• digestion
• hydrolysis
• redox

Tags

NGSS.HS-LS1-6

What is the function of lipids for living organisms?

• short term energy storage

• store hereditary information

• long term energy storage

• catalyze metabolic reactions

Identify the macromolecule in the image below.

• carbohydrate
• nucleic acid
• protein
• lipid

How are the subunits of proteins linked together?

• ionic bonds
• amino acids
• monomers
• peptide bonds

The image depicts which level of structure in proteins?

• primary
• secondary
• tertiary
• quaternary

When atoms share electrons unequally...

• a nonpolar covalent bond is formed.
• an ionic bond is formed.
• a polar covalent bond is formed.
• a hydrogen bond is formed.

Which type of lipid forms the primary structure of the cell membrane?

• triglycerides
• wax
• cholesterol
• phospholipid

When water freezes the molecules form a matrix by forming hydrogen bonds and

• sinking in water
• becomes more dense than water
• becomes less dense than water
• becoming more tightly packed

Tags

NGSS.HS-PS1-3