Science of Life
The focus of study for a biologist.
What is life?
What are the three subatomic particles that make up an atom?
proton, neutron, electron
What are the four macromolecules in living things?
carbohydrates, proteins, lipids, nucleic acids
List the five properties of water that make it special for sustaining life on earth?
Adhesion, Cohesion, Density, High Heat Capacity, Universal Solvent
List the three types of microscopes used in biology.
Light, SEM, TEM
The variable that the researcher is manipulating in an experiment.
What is the Independent Variable?
How many atoms are in a molecule of glucose?
C6H12O6?
24
What is the ratio of CHO in a carboyhdrate?
Why is water a polar molecule?
Unequally shared electrons between the H and O in the molecule make water have a slight positive side and a slight negative side.
List the 3 limitation of science
The type of variable the researcher is measuring as a result of the controlled experiment?
What is the dependent variable?
What type of bonds does a molecule of water have?
Two covalent bonds
What macromolecule is the primary source of energy for the cell?
carbohydrates
Water's tendency for it to attract other charged substances.
Adhesion
What process is used to make food for autotrophs?
Photosynthesis
The 5 steps of the scientific method.
OHEATL
Observation, hypothesis, experimentation, analysis, theory/law
Ionic bonds
What is the building block (monomer) for proteins?
Amino Acids
Water's ability to absorb a large amount of heat before its temperature raises
High Heat Capacity
What process coverts food into a usable form of energy?
Cellular Respiration
The six criteria of living things.
Cells
Grow & develop
Sense & respond
DNA & reproduction
Energy & metabolize
Homeostasis
What elements are found in living things?
Which macromolecule stores an organism's genetic information?
Nucleic Acids
Water's tendency to be attracted to itself.
Cohesion
What is the difference between anabolism and catabolism?
Anabolism builds up
Catabolism breaks down