bio review unit 1 cell biology. what are the three tenets of the cell theory? 1.all living things...

Bio ReviewUnit 1 Cell Biology

What are the three tenets of the cell theory?1. All living things are composed of cells2. Cells are the basic unit of structure and function in living things3. New cells are made from existing cells

True or False? 1. A scientific theory can never change.2. A scientific theory is a hunch, a guess or an opinion.3. Scientific investigations progress from a hypothesis to a theory and

then to a law.4. The scientific method describes a sequence of steps that all

scientists follow. 5. A scientific theory has been proven true in many cases but a

scientific law has been proven true in every case. 6. Science knowledge is based upon logical and conceptual

connections between evidence and explanations.

Which macromolecule?

Which macromolecule?

Which macromolecule?

Which macromolecule?

Which macromolecule?

Which macromolecule?

Which macromolecule?

Which macromolecule?

Flow Chart

Does it have a ring structure in its main chain?

Does it have a nitrogen in its main chain

Lipid Protein

Is there a phosphate group attached?

Nucleic Acid Carbohydrate

Yes

YesYes

No

No No

Flow Chart

Does it have only C, H, & O

?

Does it have a ring?

Protein Nucleic Acid

Is it a ring?

Carbohydrate Lipid

Yes

YesYes

No

No No

Prokaryote or Eukaryote? Explain

Prokaryote or Eukaryote? Explain

Prokaryote or Eukaryote? Explain

Prokaryote or Eukaryote? Explain

Describe what is happening to the cells in the beakers. Use your vocabulary

Fill in the blanks

Chloroplast