Biology Quiz

Which of the following statements about fats is NOT true?

• saturated fats are solid at room temperature

• unsaturated fats come from plants

• unsaturated fats have all single bonds between carbon atoms

• saturated fats contain the maximum number of hydrogen atoms

Which of the following is NOT a function of proteins?

• defend the body from harmful microorganisms

• act as a main fuel for cells

• build structures such as muscle

• control chemical reactions in cells

Which of the following statements about carbohydrates is NOT true?

• glucose is a monosaccharide

• excess sugar is stored in the body in the form of glycogen

• cellulose is found in the cell walls of plants

• specialized carbohydrates that speed up chemical reactions are called enzymes

Which of the following statements about proteins is NOT true?

• proteins are monomers that link together to form enzymes

• proteins are composed of 20 different amino acids

• each protein has a specific shape that determines its function

• a chain of amino acids is called a polypeptide

A specific reactant an enzyme works upon is called the

• catalyst

• sucrose

• active site

• substrate

Which statement is true?

• Simple sugars are made of polysaccharides

• Glycerol is made of fatty acids

• Polymers are made of monomers

• Amino acids are made of proteins

Tags

NGSS.HS-LS1-6

Which of the following statements is NOT correct?

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-6

Enzymes affect the reactions in living cells by lowering the

• active site energy of the reaction

• speed of the reaction

• temperature of the reaction

• activation energy of the reaction

Which of the following statements is NOT correct?

• molecules such as water that are not carbon-based are inorganic

• a molecule of water is lost during a hydrolysis reaction

• a hydrogen can form one covalent bond

• some molecules may contain more than one functional group

Tags

NGSS.HS-PS1-2

The reaction that adds a monomer to a chain is called a

• monomer reaction

• dehydration synthesis reaction

• hydrolysis reaction

• polymer reaction