macroevolution
what is natural selection?
Traits that are better suited for the particular environment become more common in the population over time.
negative
what 4 nucleotides are in DNA?
ATGC
How do bacteria over time become resistant to traditional drugs that used to eliminate them?
Some bacteria exposed to antibiotics survive and pass their traits onto their offspring.
what charge are protons?
positive
what 4 nucleotides are in RNA?
AUGC
What is artificial selection?
when a species gets new adaptation due to humans changing them.
what charge are neutrons?
neutral
What is the purpose of enzymes?
to lower the activation energy
why do some species have similar traits?
because they all came from a common ancestor
does the substance become more acidic or basic as it goes up the pH scale?
basic
what type of molecules r used for long term energy storage?
lipids
if A has 1 different amino acid and B has 4 different amino acids then humans, which organism is closer related to humans?
A
how do u form an ionic bond?
exchange of electrons to form oppositely charged atoms
a major type of lipid found in cell membrane is:
phospholipids