Biology Review

The cell membrane main purpose is...

• Selective Permeability

• Energy Production

• Locomotive

• Looking good

Controls what enters/leaves a cell

• cell membrane
• Nuclear membrane
• cell wall
• cytoplasm

The cell theory is...

• All living organisms are composed of at least one cell.

• building blocks of life. All cells come from

• All of the above

• Cells arise only from previously existing cells.

Which part of the cell is often called "the brain of the cell"?

• nuclear membrane
• endoplasmic reticulum
• nucleus
• mitochondria

Which organelle uses energy from sunlight to make sugar?

• mitochondria
• nucleus
• chloroplasts
• vacuoles

A coyote captures, kills, and eats a rabbit. What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• predation

A Eukaryotic cell is...

• Cell that has no membrane.

• Cell with no membrane-bound organelles.

• A cell containing a nucleus and other membrane-bound organelles.

• A cell containing a nucleus and other nucleus-bound organelle.

A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• predation

True or False: The main function of a lipid is to store energy.

• True

• False

Which of the following is found in plant cells but not in animal cells? 

• Cytoplasm
• Mitochondria
• Cell Wall 
• Ribosomes