What is the study of life?
Biology
What is science?
A way of knowing, an approach to understanding the natural world.
What is evolution?
The process of change that has transformed life on Earth from its earliest forms to the bast array of organisms living today.
What are the four main elements that make up living matter?
1. Oxygen
2. Carbon
3. Hydrogen
4. Phosphorus
What are organisms composed of?
Cells
What is the main requirement for a scientific hypothesis?
It must generate predictions that can be tested by experiments or gathering further observations.
How does the structure of your hand support its function?
The finger joints and opposable thumb allow you to manipulate objects.
What are the three types of bonds?
1. Covalent Bonds
2. Ionic Bonds
3. Hydrogen Bonds
C3H6O3
1. Domain Bacteria
2. Domain Archaea
3. Domain Eukarya
What do you need in a controlled experiment?
1. Independent Variable
2. Dependent Variable
3. Control
What are ecosytems characterized by?
What bond is a weak bond that is important in the chemistry of life?
Hydrogen bonds
Why are fats hydrophobic?
They contain a non-polar C--H bond -- which does not mix well with polar water molecules.
What of the three domains of life do we belong?
Domain Eukarya
What is the difference between Science and Technology?
Scientists usually speak of "discoveries", whereas engineers more often speak of "inventions".
What is the DNA molecule made up of?
Water is...
The solvent of life
By what process do you digest the proteins you eat into their individual amino acids?
By hydrolysis, adding a molecule of water back to break each peptide bond.
How would you define life?
Life can be characterized by its properties and process
Are hypotheses and theories the same thing?
No, they are different -- you can test a hypothesis.
What are the two main points of Charles Darwin?
1. Species living today arose from a succession of ancestors that were different from them
2. Proposal of a mechanism for evolution, natural selection
What is ocean acidification?
The effects of rising atmospheric CO2 on the coral reef ecosystems and other marine organisms.
What is the difference between unsaturated fatty acids and saturated fatty acids?
Unsaturated fatty acids contain one or more double bonds, saturated fatty acids have no double bonds.