Biology EOC review Goal 4

What type of bond hold amino acids together  to make proteins?

• peptide
• amino acid 
• hydrogen
• nitrogen

Which class of biomolecules includes DNA and RNA?

• carbohydrates
• lipids
• proteins
• nucleic acids

Which class of biomolecules is considered the main structural molecule?  This same class also makes up enzymes..

• carbohydrates
• lipids
• proteins
• nucleic acids

Which class of biomolecules include fats, oils, and steroids?

• carbohydrates
• lipids
• proteins
• nucleic acids

Which organic molecules are used for long term energy storage?

• lipids
• proteins
• nucleic acids
• carbohydrates

Many enzymes in the human body function best at 37^oC.  What is the most likely result of a great increase in body temperature?

• enzymes become hormones
• enzymes become denatured
• enzymes become more active
• enzymes become more sluggish

Which best explains why enzymes are important in biological systems?

• they hold all genetic information of a cell
• they are necessary to maintain skin moisture
• they accelerate the rate of chemical reactions
• they support structures to maintain body temperature

Which best explains how the structure of enzymes is related to their function?

• enzyme structures release the energy in their substrates
• enzyme structures react with their substrates
• enzymes' unique active site allows it to fit with only one substrate molecule
• enzymes interact with their substrates like welders building a steel skyscraper

Which best describes the importance of carbohydrates to organisms?

• they provide storage for water molecules
• they provide an immediate energy source
• they provide an additional source for amino acids
• they provide permanent storage for genetic information

Which organic compound is correctly paired with its subunit?

• nucleic acid and DNA
• protein and amino acid
• carbohydrate and glycerol
• lipid and monosaccharide