A radical change from previous thinking
Breakdown of fat
Begins in the small intestine
Breakdown of carbohydrates
Begins in the mouth
Breakdown of proteins
Begins in the stomach
Breakdown of fiber
The increase of alleles of certain genes from generation to generation that allows a species to survive and reproduce better.
Deals with numbers that can be measured
Water undergoes relatively minor temperature and phase changes compared to other substances due to:
High specific heat and high heat of vaporization.
Hydrocarbons with double bonds follow what formula:
CnH2n. The number of hydrogen atoms is always double the number of carbon atoms
What is the correct order of the scientific process?
Hypothesis, data, analysis
Provide the body's cells with oxygen and nutrients
Supplies the body with oxygen and removing carbon dioxide
Responsible for the peristalsis that occurs in the digestive tract
A proton should have which two characteristics when compared to the charge and mass of an electron?
An opposite charge and a larger mass
What charge do protons have?
What charge to electrons have?
What pH values do acidic solutions have?
Range from 1-7.
Where are immune cells produced?
Where is the heart located?
Behind the sternum
Necessary for growth in all animals
The structures in the respiratory system in the which the exchange of gas occurs
determined by the number of protons and neutrons
enzyme activity is driven by what internal factor?
lack a membrane-bound nucleus
Where do mutations in human DNA orginate?
require the sharing of electrons
Are viewed as as having electrons donated and accepted by atoms
The only type of cell capable of passing along mutations to offspring
During cell replication, what material is duplicated by polymerase enzyme?
What nitrogenous base is unique to RNA?
What nitrogenous base is unique to DNA?
Where does meiosis occur
only in germ cells
Which star provides the greatest energy for earth?