organism
what is the basic unit in an organism
A cell
what are the three substances in the periodic table
acids, neutrals, bases
sum of all the reactions within an organism
metabolism
how does proteins are made ?
made of chains of amino acids
what are the two first step in the scientist methods
observation and question
whats a group of same kind of cells
a tissue
what is the chemical formula of water
H2O
exothermic reactions which build up large molecules and supply energy
catabolic reaction
Long chains of amino acids have four levels of organization which affects their job some jobs include
polypeptide
what is the third step for the scientist methods
hypothesis
what the structure made of one or more tissues
An organ
what does the number 7 represent in the periodic table
neutral
endothermic reactions which build up large molecules and require energy
anabolic reaction
give 2 exemple of what can be include
muscle tissue, speed up reactions, antibodies, carry messages or materials, hemoglobin
what is the fourth step for the scientist methods
experiment
what is the group of organs that work together
The organ system
0-7 in the periodic table are...
the acids
speed up reactions in cells, without them most life would die
enzyme
A. AG/TC B. TG/AC C. AT/GC
C
what is the fifth step for the scientist methods
analysis
What is individual with more than one organ system
Organism
7 to 14 in the periodic table are...
the bases
energy required to start a chemical reaction
activation energy
what does nucleic acids contain ?
sugar, phosphate, nitrogen base
what is the last step for the scientist methods
conclusion