Bio Ch. 22 Review

the units of and structure and function of living things

• cells
• atoms

• amino acids

• seeds

the study of cells

• cytology
• biology

• zoology

• botany

the first scientist to observe cork cells through a microscope

• Robert Hooke

• Matthias Schleiden

• Theodore Schwann

• Albert Einstein

all living things are composed of cells

cells come from preexisting cells

it is universally accepted as a fundamental law of biology

• cell theory
• kinetic theory of matter

• law of universal gravitation

• law of cellular products

the size of an organism depends on the number of its cells, not the size of its cells

• true

• false

the slush of amino acids, carbs, proteins, and fats that were originally thought to make up a cell

• protoplasm

• prototype

• cytosol

• cytoplasm

Choose the elements that make up a cell.

• oxygen

• hydrogen

• nitrogen

• carbon

• chlorine

the barrier that separates the contents of a cell from the environment

regulates what comes in and out of the cell

• cell membrane

• cell wall

• cytosol

• organelles

special lipid molecules in the cell membrane

• amnio lipids

• protolipids

• phospholipids

• protoplasm

only in plants, helps them stand up right

• cell wall
• cytoskeleton

• cell membrane

• vacuole