Week 17 Homework

A group of cells that come together to perform a specific function is a

• cell

• tissue

• organism

• organ

A group of tissues that come together to perform a specific function are a/an

• cell

• tissue

• organ system

• organ

Which of the following correctly lists the levels of biological organization from LEAST complex to MOST complex?

• cell, tissue, organ, organ system, organism

• cell organism organ system organ tissue

• organ system organism organ tissue cell

• organism organ system organ tissue cell

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.

• Mitochondria
• Vacuoles
• Lysosomes
• Chlororplasts

What is one basic function of the vacuoles?

• circulating oxygen
• producing food
• controlling cell processes
• storing water

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?

• chloroplasts
• mitochondria
• nucleus
• vacuoles