1st 6 wks Benchmark Review

What determines the function of an enzyme?

• environment
• shape
• size
• pH

How do enzymes act as catalysts?

• Lower activation time
• Lower activation energy
• Increase activation time
• Increase activation energy

Which of these cellular activities would greatly affect an enzyme's activity?

• the nucleolus
• high temperature
• average hydration
• proteins in the cell membrane

Which is true regarding photosynthesis and cellular respiration?

• The reactants in photosynthesis match the products of cellular respiration
• The useful products of both photosynthesis and cellular respiration are the same
• Bothe photosynthesis and cellular respiration turn light energy into chemical energy
• The process of photosynthesis happens in plants only while the process of cellular respiration happen in  animals and fungi

Which represents the equation for photosynthesis?

• carbon dioxide + water  = glucose + oxygen
• glucose + carbon dioxide = oxygen + water
• oxygen + water = glucose + carbon dioxide
• water + glucose = oxygen + water

Which molecule provides the most available source of energy for cell organelles?

• carbon dioxide
• glucose
• starch
• ATP

When ATP becomes ADP, what happens to the energy?

• It is gained
• It is stored
• It is released
• It is destroyed

Which carbohydrate is found in the cell walls of plant cell?

• cellulose
• glucose
• glycogen
• starch

Which cells has the potential to develop into different cell types?

• brain cells
• muscle cells
• embryonic stem cells
• white blood cells

Which components are found in many lipids but are unlikely to be found in nucleic acids? 

• amino acids
• monosaccharides
• glycerol and fatty acids
• glucose and phosphates