Honors Biology Final Exam Review

Water's temperature stays relatively________

• stable
• unstable 
• different
• changing 

Tags

NGSS.MS-PS1-4

Proteins are made of monomers called ___________

• nucleotides

• monosaccharides

• amino acids

• fatty acids

To what class of macromolecule do enzymes belong?

• protein

• carbohydrate

• lipid

• nucleic acid

Which class of macromolecules is the main source of energy for living things, and is therefore most closely involved in photosynthesis and respiration?

• carbohydrates

• lipids

• nucleic acids

• proteins

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

• lipids
• proteins
• carbohydrates
• nucleic acids

What are the four macromolecules?

• proteins, nucleic acids, carbohydrates, and lipids
• monosaccharides, lipids, polysaccaharides, and proteins
• RNA, DNA, proteins, and carbohydrates
• proteins, DNA, RNA, and steroids

Which of the following carbohydrate polymers stores energy in plants?

• cellulose

• chitin

• glycogen

• starch

Capillary action is the result of adhesion. Which aspect of water is responsible for this?

• Nonpolar covalent bonds that enable water to dissolve other substances
  
• Polar covalent bonds that join molecules of water to other substances
• Hydrogen bonds between water and another substance
• Ionic bonds that enable electrons to flow through water and into another substance

Where do substrates bind on an enzyme?

• voltage-gated channels
• surface receptor
• calcium channels
• active site

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants