Question

1. which two types of cell structures are present in a plant cell, but not an animal cell? a. nucleus and chloroplasts b. cell membrane and cell wall c. chloroplasts and mitochondria d. chloroplasts and cell wall 3. which type of cell structure is included in all three cells? a. a cell membrane made of a lipid bilayer b. a nucleus that contains dna c. mitochondria that contain dna d. a cell wall made of cellulose

Explanation:

1. Plant cells have cell walls and chloroplasts which are not present in animal cells. Animal cells lack a rigid cell - wall made of cellulose and chloroplasts used in photosynthesis.
2. All cells (prokaryotic and eukaryotic) have a cell membrane made of a lipid bilayer which acts as a barrier for the cell.

Answer:

1. b. cell membrane and cell wall
2. a. a cell membrane made of a lipid bilayer