macroevolution
chemistry
macromolecules
100

what is natural selection?

Traits that are better suited for the particular environment become more common in the population over time.

100
when charge are electrons?

negative

100

what 4 nucleotides are in DNA?

ATGC

200

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.

200

what charge are protons?

positive

200

what 4 nucleotides are in RNA?

AUGC

300

What is artificial selection?

when a species gets new adaptation due to humans changing them.

300

what charge are neutrons?

neutral

300

What is the purpose of enzymes?

to lower the activation energy

400

why do some species have similar traits?

because they all came from a common ancestor

400

does the substance become more acidic or basic as it goes up the pH scale?

basic

400

what type of molecules r used for long term energy storage?

lipids

500

if A has 1 different amino acid and B has 4 different amino acids then humans, which organism is closer related to humans?

A

500

how do u form an ionic bond?

exchange of electrons to form oppositely charged atoms

500

a major type of lipid found in cell membrane is:

phospholipids