unit 2 test Flashcards
miller and urey experiment product
trace of amino acids
which type of organisms developed first due to early environmental conditions on earth
prokaryotic and anaerobic
earths earliest atmosphere may have contained which elements
water , ammonia, methane, nitrogen
most scientists agree on the state of earths environment when life first appeared what was the state of the environment when life first appeared on earth
the environment was very high
biology - or informally life itself is characterized by elegant macromolecules that have evolved over hundreds of millions of years to serve critical functions . what macromolecules life on earth as we know exist. which type of macromolocule is made up of chon
protein
carbohydrates are a type of biological macromolecules required to carry out life functions . which of the following statement regarding carbohydrates is true .
carbohydrates are used by living things as the main source of quickly available energy .
to build muscle body builder need
proteins
which macromolecule serves the main source of energy and is the main component of cell wall in plants (cellulose)
carbohydrates
which of the following is a function of carbohydrates
carbohydrates are used by living things as the main source of quickly available energy
long hydrocarbon chain
lipids
nitrogen protein
protein
which is not a part of the cell theory
cell come from spontaneous generation
pasteur experiment concluded
cells come from preexisting cells
according to the cell theory plants and animals cells . what can you infer about the two different living things
they are made of one or more cells
Zx what organelle releases energy in animal cells
mitochondria