Which scientist was responsible for disproving the theory of spontaneous generation? a. matthias schleiden b. theodor schwann c. rudolf virchow d. louis pasteur

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Nucleic acids offer variability because they contain alternate forms of genes called .