Science? and the Scientific Method(ology)
the use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through the process
science
Which variable goes on the x-axis of a graph?
Independent
what type of reproduction produces identical offspring?
asexual
Because lipids can take on a variety of structures, they are defined by this quality instead of monomers and polymers
hydrophobic
Water is a polar molecule because the different parts have different charges. Which part is negative?
oxygen
a tenative explanation that can be tested by further observation or experiment
hypothesis
which axis does the dependent variable go on?
y-axis (vertical)
A signal that causes an organism to respond
stimulus
Which macromolecule has a monomer that includes a carbohydrate in 1 of its 3 parts
Nucleic Acid
monomer: nucleotide
the name of the bond water can form with other (polar) molecules because it's polar
hydrogen bond
other factors, besides the independent variable, that could affect the dependent variable
controlled variables
How many titles does a proper graph have?
Generically name them
3 -
1 Main title
2 axis titles
What kind of organism makes their own food?
autotroph
Which macromolecule has a monomer with an "R" group
Protein
(monomer: amino acids)
The type of adhesion that allows plants to get water to their leaves
capillary action
identify the step of the scientific method:
A study where the focus level of teenagers who ate breakfast before school vs those who didn't was measured. It showed that students who ate breakfast reported higher focus.
results/data
What form does data need to be in to generate a bar or line graph in excel?
table
Amoebas are made up of how many cells?
1 - unicellular
What are the names of the 2 shapes the secondary structure of proteins can take?
a-helix
B-sheet
Which property of water is responsible for surface tension?
cohesion
identify the step of the scientific method:
Rosie wanted to measure the growth of different plants. However, she didn't know much about the growing conditions on plants so she asked the librarian for books on the topic.
research
In an experiment, what provides a baseline to compare results to?
Control group
List the 8 characteristics of living things
(2) can reproduce
(3) has DNA
(4) Grows [and develops]
(5) Uses Energy
(6) Responds to the environment
(7) Maintains homeostasis
(8) Evolves [as a population]
Name the monomer of each macromolecule:
Carbohydrates
Lipids (the example)
Proteins
Nucleic Acid
Carbs - monosaccharide
Lipids - phospholipids
Proteins - amino acids
Nucleic Acid - nucleotide
what property of water keeps both oceans and our bodies at a stable temperature even when the outside temperature changes?
heat capacity