Enzymes + photosynthesis revision

Enzymes + photosynthesis revision

Multiple Choice

Letter C...

• active site
• enzymes
• substrate
• products

Multiple Choice

Letter D...

• active site
• enzyme
• substrate
• products

Multiple Choice

In the diagram, what is letter A? 

• product
• substrate
• enzyme-substrate complex
• active site

Multiple Choice

The graph shows the effect of temperature on an enzyme. Which statement explains the trend from 10-70^oC?

• As temperature increases, enzyme activity increases

• 70^oC is the optimum temperature for this enzyme

• As temperature increases, enzymes become denatured.

• As temperature increases, enzyme activity decreases.

• As temperature increases, molecules gain more kinetic energy and have more successful collisions

Multiple Choice

Which statement is true about enzymes?

• The shape of an enzyme's active site matches the shape of its substrate

• Enzymes are used up in biological reactions

• Enzymes work faster at higher temperatures

• Every enzyme has one specific substrate that it breaks down or builds up.

Multiple Select

Which solutions are used to test for the presence of carbohydrates?

• Buiret

• Benedict's

• Iodine

• Ethanol

Multiple Choice

Starch is a carbohydrate. Which building block is starch made from?

• Amino acids

• Fatty acids

• Glycerol

• Simple sugars

Multiple Choice

Which element is not found in carbohydrates?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

Multiple Choice

Which of these is not a biological molecule?

• Carbohydrates

• Proteins

• Lipids

• Carbon dioxide

PLANT NUTRITION

- Balanced chemical equation for photosynthesis

-outline the subsequent use and storage of carbohydrates made in photosynthesis

-limiting factor

-leaf structure

-mineral requirements

Open Ended

State 3 uses in a plant of the carbohydrate

Open Ended

State 3 uses in a plant of the carbohydrate produced in photosynthesis

LIMITING FACTOR

• something present in the environment in low supply restricting the process of photosynthesis

Open Ended

list the examples of limiting factors in photosynthesis