biology 🧬🔬

unit for mass

kilogram

unit for temp

celsius

unit for volume

liter

unit for length

meter

8 characteristics of life

• made of cells

• respond to environment

• reproduce

• maintain homeostasis

• based on universal genetic code

• grow and develop

• change over time

• obtain and use materials and energy

what are lipids composed of?

fatty acids and glycerol

what are proteins composed of

amino acids

what are nucleic acids composed of

nucleotides

what are carbohydrates composed of

sugars

pH scale

1-6(acidic) 7 (neutral) 8-14(base)

what is Redi known for

father of bio

conducted maggot experiment

What is Leewenhoek known for

created the first microscope

what is pasteur known for

completely disproving spontaneous generation

what is hook known for

discovering cells in cork

protons

positive charge

electron

negative charge

neutron

sub particle with negative charge

atomic number

number of protons in the nucleus

mass number

amount of protons and neutrons

dependent variable

responding variable or measured result

independent variable

manipulated variable or changes made in an experiment

control group

group that doesn’t change in the experiment

qualitative data

data using your senses

quantitative data

data using numbers

covalent bond

a bond in which electrons are shared

scientific theory

well tested explanation of natural events

scientific law

a pattern in nature that is always true

element

pure substance that consists entirely of one atom

isotope

atom of the same element with different number of neutrons

ion

charged atoms

cohesion

attraction of water molecules to the same substance

adhesion

attraction of water molecules to different substances