Biochemistry - Practice Test Questions

Chemicals that help chemical reactions occur at faster rates in living organisms are known as ___________

• Biotic resources

• Simple sugars

• Oxygen molecules

• Organic catalysts

Tags

NGSS.HS-PS1-5

Forming a chain of amino acids would produce a __________ molecule.

• Carbohydrate

• Protein

• Nucleic Acid

• Lipid

Tags

NGSS.HS-LS1-6

What are the monomer units of a protein?

• Fatty Acid

• Amino Acid

• Nucleotide

• Sugar

Tags

NGSS.HS-LS1-6

A sugar, a phosphate group and a nitrogen base make up the building blocks of which organic compound?

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

Fructose, sucrose, and starch are all examples of ________.

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

What are the repeating units that form a DNA molecule?

• Fatty acids

• Nucleotides

• Amino Acids

• Chromosomes

What are the monomer units of a lipid?

• Fatty acid

• Amino Acid

• Nucleotide

• Sugar

Most carbohydrates in the human body are .....

• Used as building blocks for proteins

• Used as a catalysts for reactions in cells

• consumed as a source of energy

• not easily absorbed into the bloodstream

Tags

NGSS.MS-LS1-7

A scientist removed the cell membranes from bacteria cells in a culture. She analyzed the cell membranes for specific molecules. Which of these was probably the most common type of molecule present in the bacteria cell membranes?

• Lipid

• Amino Acid

• Nucleic Acid

• Carbohydrate

Which statement describes the major role of lipids within a cell?

• They cause DNA to replicate

• They move RNA in the cytoplasm

• They catalyze chemical reactions in the cell cytoplasm

• They are the main structural components of membranes