Intro to Biology

Question 1

Define prokaryotes and eukaryotes

Answer 1

Prokaryotes: unicellular organisms that have no organelles/nucleus

Eukaryotes: unicellular or multicellular organisms that have organelles and nucleus

Question 2

Levels of organization

Answer 2

Subatomic particles -> atoms -> elements -> molecules -> macromolecules -> cell parts -> cells -> tissues -> organs -> systems -> organisms -> populations -> communities -> ecosystems -> biomes -> biosphere

Question 3

Define monomer

Answer 3

A molecule that can be bonded to other identical molecules to form a polymer
- Fatty acids, amino acids, glucose, nucleotides

Question 4

Define macromolecule

Answer 4

Polymers
- Lipids, proteins, carbohydrates, nucleic acids (RNA, DNA), vitamins

Question 5

Define amino acid

Answer 5

Monomers that link up to form proteins

Question 6

Characteristics of life

Answer 6

Ability to…
- Respirate
- Grow and develop
- Respond to stimuli
- Adapt to surrounding environment
- Maintain homeostasis