Living Environment Enzymes

Which statement best describes substance X?

• it is oxygen released by protein synthesis

• it is glucose which is produced by photosynthesis

• it is starch that is produced by digestion

• it is carbon dioxide released by respiration

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

In which organelle will autotrophic nutrition occur?

• the small black dots - ribosomes

• the solid black ovals - chloroplasts

• The large gray circle with a black dot inside - nucleus

• The outermost outline of the cell - cell wall

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which statement is most closely associated with the diagram?

• small molecules are obtained from large molecules during digestion

• certain molecules are replicated by means of a template

• receptor molecules play an important role in communication between cells

• energy from nutrients is utilized for waste disposal

The diagram best illustrates the relationship between

• enzymes and synthesis

• amino acids and glucose

• antigens and immunity

• ribosomes and sugar

Tags

NGSS.HS-LS1-6

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Letter D...

• active site
• enzyme
• substrate
• products

Letter C...

• active site
• enzymes
• substrate
• products

Based on the graph, what is the optimal temperature for this enzyme? 

• 15^oC
• 40^oC
• 30^oC
• 35^oC

Enzymes are considered to be 

• Lipids
• Carbohydrate
• Protein
• Nucleic Acid

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile