AP Biology Unit 2 - Cell Structure and Function -Review 80 Q's

What is the smallest unit of living organism?

• Cell

• Tissue

• Organ

• Organism

Tags

NGSS.MS-LS1-1

What is the structure of the membrane in a cell?

• Fluid phospholipid bilayer with integrated proteins

• Solid layer of carbohydrates and proteins

• Single layer of nucleic acids

• Rigid cellulose wall

The rate at which a molecule diffuses across a lipid bilayer depends on its ________ and ________.

• electric charge and size

• temperature and color

• shape and density

• mass and volume

What is the function of the membrane in a cell?

• Works as a selectively permeable barrier, cell subdivision and compartmentalization

• Produces energy for the cell

• Stores genetic information

• Synthesizes proteins

The chemistry of the membrane consists of which three components?

• Lipids, protein, and carbohydrate

• Nucleic acids, water, and salt

• Vitamins, minerals, and enzymes

• Cholesterol, glucose, and starch

What is the structure of the membrane?

• Asymmetric and fluid

• Symmetric and rigid

• Homogeneous and static

• Uniform and solid

What is the function of the nucleus in a eukaryotic cell?

• Acts as the control center for cells

• Produces energy for the cell

• Breaks down waste materials

• Helps in protein synthesis

Tags

NGSS.MS-LS1-2

What is the function of the nuclear envelope?

• Envelopes the nucleus and is continuous with the membrane of the RER; dotted with ribosomes.

• Synthesizes proteins for export from the cell.

• Stores genetic information in the form of DNA.

• Produces energy in the form of ATP.

What is the function of nuclear pores?

• Responsible for molecular transport through nuclear envelope

• Site of protein synthesis

• Storage of genetic material

• Production of ATP

What does the nucleus contain?

• DNA and histones

• Mitochondria and ribosomes

• Cell wall and chlorophyll

• Cytoplasm and vacuole

Tags

NGSS.MS-LS1-2