Biomolecules

Which of these influence the rate of a chemical reaction

• nature of the reacting substances

• concentration of reactants

• temperature of reactants and products

• presence of an enzyme

• All the the above

Tags

NGSS.HS-PS1-5

A substance that increases the rate of a chemical reaction without being changed itself

• enzyme catalyst

• reactant

• product

• base

Tags

NGSS.HS-PS1-5

Which of these are considered organic

• H₂O

• C₂H₄

• NaCl

• CaF₂

Which statement is true

• carbohydrates are formed from amino acids

• monosaccharides are inorganic

• monomers of nucleic acids are amino acids

• proteins are formed by chains on amino acids held together with peptide bonds

Tags

NGSS.HS-LS1-1

Sucrose is a

• nucleic acid

• carbohydrate

• lipid

• protein

Glycogen and starch are

• lipids

• carbohydrates

• proteins

• nucleic acids

Amino acids are the monomers of

• lipids

• carbohydrates

• proteins

• nucleic acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Enzymes function by

• increasing activation energy

• having a specific shape that allows it to bond with specific reactants (like a lock and key)

• greatly decreasing reaction rates

• acting as a catalyst for many different reactions

When protein loses its 3D shape it's nonfunctional and is said to be

• essential

• structural

• denatured

• saturated

What is the monomer of lipids

• amino acids

• glycerol and fatty acid

• monosaccharide

• nucleic acid