What is Biology?
What is science?
way of gaining knowledge about the natural world
Cells have different shapes based on their ____
Purpose
First step
1. Observation
Matter Definition
Anything that has mass and takes up space
Function
Goal of science
nature can be understood through systematic study
scientific ideas are open to revision
sound scientific ideas withstand the rest of time
science cannot provide answers to all questions
Surface Area is greater or less than volume
Greater
Second Step
2. Question
Organic Compounds
Contains carbon and are found in living organisms
Adenine
Thymineand
Cytosine
Guanine
What is the Scientific Law?
Statement that cannot change under certain natural conditions
All organisms are made of one or more cells
Life functions occur in these cells
Cells come from other cells
Third Step
3. Hypothesis
Carbohydrates
Sugar or starch used to store energy
Type of RNA
Messenger
Ribosomal
Transfer
Experiment definition
Controlled investigation
Who discovered cells
Robert Hooke
Forth Step
4. Experiment
Lipids
Fat or oils
Making Proteins
Scientific Theory
Broad explanations that are well supported by data can change over time.
When were cells discovered
1665
Fifth
6. Conclusion
3 Types of Lipids
triglycerides
phospholipids
Steroids
Transcription
Transfer of genetic info. from DNA to mRNA makes a complementary copy (opposite)