Bell Work 11-29

Prokaryotes do not contain a _______, nor ________-_____ organelles whereas eukaryotes do. Prokaryotes have a _________, whereas eukaryotes do not.

Which 3 features are present in a plant cell but not an animal cell?

• cell membrane

• cell wall

• mitochondria

• chloroplasts

• large permanent vacuole

What is the function of the nucleus?

• Controls the substances moving in and out of the cell

• Contains genetic material

• Controls the activities of the cell

• Respiration to release energy from food

• Site of most chemical reactions

What is the function of the cell membrane?

• Controls the substances moving in and out of the cell

• Contains genetic material

• Controls the activities of the cell

• Respiration to release energy from food

• Site of most chemical reactions

What is the function of the chloroplast?

• Site of photosynthesis, where energy is stored in food

• Site of protein synthesis, where new proteins are made

• Contains cell sap (water and sugar) and enzymes

• Site of respiration where energy is released from food

• Site of most chemical reactions

This macromolecule carries hereditary information and instructions for building molecules

• carbohydrate

• lipids

• protein

• nucleic acid

Which of the following statements is true about catalysts (enzymes)?

• Catalysts slow down the rate of chemical reactions.

• Enzymes help regulate pH.

• Catalysts are used up during a chemical reaction.

• Catalysts lower the activation energy of a chemical reaction.

Letter D...

• active site
• enzyme
• substrate
• products