Intro to Cells

Animal cells can be distinguished from plant cells easily because of which of the following?

• Animal cells have mitochondria and plant cells do not.

• Plant cells have lysosomes and animal cells do not.

• Only plant cells have centrioles around their nucleus.

• Only plant cells have large central vacuoles and cell walls.

Jared observes a cell in biology lab with the light microscope. The cell has the following structures: nucleus, cell wall, and chloroplast. Identify the type of cell that Jared is observing.

• animal

• plant

• fungus

• bacteria

Hair and nails are mostly filled with the PROTEIN keratin. Keratin. The cells that make keratin must contain several of which of the following organelles?

• mitochondria

• endoplasmic reticulum

• ribosomes

• lysosomes

What are the small protein structures that unicellular organisms like the paramecium use as tiny paddles to swim around with?

• cilia

• pseudopodia

• flagella

• cytoskeleton

Due to energy needs, muscle cells usually have a lot of which organelle?

• ribosomes

• mitochondria

• Golgi apparatus

• lysosomes

the jelly like substance in the plant cell.

• cytoplasm
• choroplast
• vacuole
• nucleus

Photosynthesis happens in this part of the plant cell.

• The cell wall
• The vacuoles
• The nucleus
• The chloroplast

True or false, diffusion is passive.

• True
• False

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

• High, low
• Low, high
• Low, low,
• High, high

_________ is the movement of water particles through a membrane?

• diffusion
• osmosis
• equilibrium
• cells