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A prokaryotic cell is...

• Cells that don't contain a nucleus but do contain other membrane-bound organelles.

• Cells that contain a nucleus but no other membrane-bound organelles.

• Cells that contain a nucleus and other membrane-bound organelles.

• Cells that don't contain a nucleus or any other membrane-bound organelles.

The cell membrane main purpose is...

• Selective Permeability

• Energy Production

• Locomotive

• Looking good

The flower of the yucca plant provides the only location where the yucca moth can lay her eggs. In the process, the moth pollinates the yucca flower. 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

What is composed of several food chains in an ecosystem that intersect and depend on one another?

• niche

• feeding level

• energy pyramid

• food web

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 
• Variation 
• Adaptation
• Natural Selection 

Which word equation best represents the process of cellular respiration?

• carbon dioxide + glucose --> oxygen + water

• carbon dioxide + water --> glucose + oxygen

• glucose + oxygen ---> carbon dioxide + water

• oxygen + water ---> carbon dioxide + glucose

An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.

• lower
• equal
• higher

Four different types of macromolecules and their characteristics are listed below. What type of macromolecule is D?

• carbohydrate

• lipid

• nucleic acid

• protein