atoms
what is an atom?
The smallest part of a substance that cannot be broken down chemically.
what is considered the foundation element for molecules in living things?
carbon
What is protein?
large, complex molecules that play many critical roles in the body.
what is an nucleic acid?
They carry the genetic blueprint of a cell and carry instructions to the functioning of the cell
Another names/example for lipids is?
Fats,oils, phospholipids, and steroids.
what are the three parts of an atom?
Protons, neutrons, electrons
what are some natural examples of carbohydrates?
grains, fruits, vegetables
Are all proteins the same? true or false
false
two main type of nucleic acids?
deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)
what is one major purpose for lipids.
store up energy
What do atoms produce when they combine together?
molecules
what do carbohydrates do for the body?
They provide energy to the body
what is an enzyme?
are produced by living cells, are catalysts in biochemical reactions (like digestion) and are usually proteins
what is the purpose of RNA?
helps in protein synthesis
saturated fat examples?
butter, lard, fatty meat, and cheese.
How do you tell the mass of an atom?
protons+neutrons
what are the three sub-types of carbohydrates?
monosaccharides, disaccharides, and polysaccharides
what are some purposes of proteins?
structural, regulatory, contractile, or protective; they may serve in transport, storage, or membranes; or they may be toxins or enzymes.
what is the purpose of DNA
contains the instructions needed for an organism to develop, survive and reproduce
unsaturated fat examples?
peanut butter, olives, fatty fish, and avocados.
How can you tell what element you are dealing with?
number of protons in an atom
They form when two monosaccharides undergo a dehydration reaction.
what are proteins of polymers of?
amino acids
what is a nucleotide made up of?
a nitrogenous base, a pentose (five-carbon) sugar, and a phosphate group
what are triglyceride molecules?
glycerol and 3 fatty acids combined.