Unit 2: Characteristics of Life Review

What is the Cell Theory?

• All living things are made of cells

• Cells are the basic unit of life

• All cells come from preexisting cells

• All of the above

What is the function of the cell membrane?

• Filter nutrients and waste

• Let substances in and out

• Maintain homeostasis for the cell

• All of the above

Which organelle contains DNA for genetic instructions?

• Mitochondria

• Ribosomes

• Nucleus

• Cell membrane

What is the location of photosynthesis?

• Mitochondria

• Ribosomes

• Chloroplast

• Cell wall

What is the process occurring in chloroplast of plant cells?

• Photosynthesis

• Cellular respiration

• Carbohydrate synthesis

• Protein synthesis

What are carbohydrates made of?

• Sugars

• Lipids

• Proteins

• Amino acids

What are lipids used for?

• Storing energy

• Making proteins

• Providing structure for cells

• Filtering nutrients and waste

What are proteins made of?

• Sugars

• Lipids

• Amino acids

• Nucleic acids

What are abiotic factors?

• Non-living materials

• Living materials

• Plants

• Animals

What are biotic factors?

• Non-living materials

• Living materials

• Water

• Air