Life Science Semester One Review

Which statement is NOT part of the cell theory?

• All living things are made of one or more cells

• Cells are the basic unit of life

• Cells can survive independently of other cells

• All cells come from pre-existing cells

What is the primary function of mitochondria?

• Storage of water

• Production of energy

• Protein synthesis

• Protection of the cell

A scientific theory differs from a scientific law because:

• Laws are more important than theories

• Theories explain why something happens

• Laws explain why something happens

• Theories are just guesses

During photosynthesis, what is the primary energy source?

• Water

• Oxygen

• Soil

• Sunlight

The cell membrane's main function is to:

• Control what enters and exits the cell

• Store genetic material

• Create proteins

• Break down waste

In an experiment testing plant growth with different amounts of water, the dependent variable is:

• Time of day

• Type of plant

• Plant height

• Amount of water

Which organelle is known as the "powerhouse" of the cell?

• Nucleus

• Chloroplast

• Mitochondria

• Ribosome

During cellular respiration, what is produced?

• Carbon dioxide, ATP and water

• Glucose, oxygen and water

• Chlorophyll

• Proteins

The independent variable in an experiment is:

• The result being measured

• What the scientist changes

• The control group

• The time period

Which organelle is responsible for protein synthesis?

• Golgi apparatus

• Ribosome

• Lysosome

• Vacuole