Test #2 Review for Quarterly

No matter what type of cell (plant, animal, or bacteria), this organelles surrounds the cell and controls what goes in an out.

• Cell wall
• Cell membrane
• Nucleus
• Chloroplast

What structures distinguish a plant cell from an animal cell?

• Plant cells have cell walls and ribosomes.
• Plant cells have cell walls and chloroplasts.
• Plant cells have chloroplasts and ribosomes.
• Plant cells have chloroplasts and mitochondria.

Where are proteins made?

• Golgi body
• Mitoichondria
• Chromosomes
• Ribosomes

Some cells, such as human nerve and muscle cells, contain many more mitochondria than do other cells, such as skin cells.  Why do some cells have more mitochondria than others?

• The cells use more energy
• The cells store more nutrients
• The cells degrade more proteins
• The cells divide more frequently

A cell with numerous ribosomes is probably specialized for 

• enzyme storage
• energy production
• cell division

• protein synthesis

A cell stores food, water or waste products in

• chloroplast
• nuclei
• ribosomes
• vacuole

Which number represents the ribosomes?

• 6
• 5
• 2
• 7

Which number represents the mitochondria?

• 1
• 7
• 4
• 2

The brain, spinal cord, and nerves are all organs that work together to send messages throughout the body. This is an example of ____.

•  an organ system
• an organ
• a cell
• an organelle

The brain is composed, or made of, many different types of cells and tissue. What level of organization is the brain?

• A. organ system
• B. organ
• C. cell
• D. tissue