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atoms ions and molecules
properties of water
carbon based molecules
enzymes
100
smallest basic unit of matter
What is a atom?
100
polar molecule
Water is a..
100
straight chains, branded chains, and rings
What are the three fundamental structures of carbon based molecules
100
catalysts for chemical reactions in living things enzymes allow chemical reactions to occur under tightly controlled conditions
What are enzymes?
200
atoms of different elements
What do living things consist of?
200
attraction between a slightly positive hydrogen atom and slightly negative atom
What is a hydrogen bond?
200
non polar molecules that include fats, oils, and cholesterol.
What are lipids?
200
lowers activation energy
A catalyst...
300
one particular type of atom that cannot be broken down by ordinary chemical means
What is an element?
300
the attraction among molecules of a substance
What is cohesion?
300
a polymer made of monomers
What are proteins?
300
proteins
almost all enzymes are...
400
a substance made of atoms made of different elements bonded together in a certain ratio
What is a compound?
400
the attraction among molecules of a substance
What is adhesion
400
molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.
What are amino acids?
400
increase in temperature
the activation energy for a chemical reaction comes from an...
500
forms when atoms share a pair of many electrons
What is a covalent bond?
500
mixture of substances that are the same through out
What is a solution
500
polymers that are made of monomers called nucleotides
What are nucleic acids?
500
TRUE
TRUE OR FALSE: enzymes are involved in almost every process in organisms