biochemistry

Which macromolecules contain nitrogen? Select all answers

• Carbohydrates

• Lipids

• Nucleic Acids

• Proteins

Which macromolecule is shown?
 View Figure 2 (if not visible)

• amino acid

• protein

• nucleic acid

• nucleotide

Which macromolecule is shown?
 View Figure 3 (if not visible)

• nucleotide

• RNA

• nucleic acid

• DNA

Water is considered neutral because it

• doesn't release or accept H+ ions

• releases all its H⁺

• does not dissolve any acids or bases

• releases all its OH-

The activation energy needed for a chemical reaction is decreased by a

• reactant
• product
• catalyst
• substrate

What is most likely being shown?

• amino acids
• chromosomes
• DNA
• RNA

What is the term for the amount of energy that needs to be added for a chemical reaction to start?

• bond energy
• chemical energy
• activation energy
• reactant energy

What is being represented by letter C? 

• Enzyme
• Active site
• Substrate
• Lipid

Which major macromolecule is being represented in this image? 

• carbohydrate
• lipid
• protein
• nucleic acid

Letter C...

• active site
• enzymes
• substrate
• products