biology

The cytoskeleton is important because

• It gives the cell its shape

• It strengthens the cells

• It helps the cells move and divide

• All of the above

The nucleus is the

• Power house of the cell

• Waste collector in the cell

• Control center of the cell

• protein factory in the cell

Jelly-like substance found inside cell that acts as a medium for chemical reactions within the cell

• Nuclear Membrane
• Golgi Body
• Cytoplasm
• Ribosome

Rigid outer layer made of cellulose that supports and protects the cell (plant, fungi, and bacterial cells)

• Nucleolus
• Golgi Body
• Cell Wall
• Cytoskeleton

Which number is the arm in the image?

• 3
• 6
• 9
• 12

What is the role of a ribosome?

• Link amino acids together

• Bind messenger RNA

• Synthesize polypeptides and proteins

• Make other ribosomes

This occurs when organisms try to get the same resources.

• Symbiosis

• Competition

• Predation

• Parasitism

The animal that is hunted and killed for food.

• Decomposer

• Predator

• Scavenger

• Prey

A clownfish lives in a sea anemone. The anemone is not hurt, but the clownfish can live in its safety. This is an example of what symbiotic relationship?

• Mutualism

• commensialism

• predator

• parasitism

Capillary action is the result of adhesion. Which aspect of water is responsible for this?

• Nonpolar covalent bonds that enable water to dissolve other substances
  
• Polar covalent bonds that join molecules of water to other substances
• Hydrogen bonds between water and another substance
• Ionic bonds that enable electrons to flow through water and into another substance