Life Science Unit 1 A & B Quiz

Prokaryote

A unicellular organism that lacks a nucleus and membrane bound organelles

Eukaryote cell

Has nucleus, many organelles. examples are: animals and plants; larger than Prokaryote cells

Number of Kingdoms of Life

6

Number of Domains of Life

3

Eukarya

Domain with unicellular and multicellular

Polymer

A long molecule consisting of many similar or identical monomers linked together.

Monomer

small chemical unit that makes up a polymer

Polysaccarides are

carbohydrates

Lipids

Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.

Protein

A three dimensional polymer made of monomers of amino acids.

amino acids

monomers of proteins

First cells

prokaryotes

All living things are made of

one or more cells

Cells come from

pre-existing cells

Cells are the

Basic unit of life

Earth is how old?

4.6 billion years

First cells came into existence in...

aquatic environments

Bacteria are

prokaryotes

All Eukaryotes are

not multicellular - some are unicellular

Protista

Kingdom composed of eukaryotes that are not classified as plants, animals, or fungi

Animals

multicellular heterotrophic organisms that lack cell walls

Plants

multiceuular eukaryote with cell wall of cellulose

Fungi

multicellular eukaryotes with cell wall of chitin

Archeabacteria

kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan

What came first, cells, monomers or polymers

probably monomers

Theory

A hypothesis that has been tested with a significant amount of data

Fact

A statement that can be proved.

Can not be proven, but can be disproved

Theory and Hypothesis