8. Changes in temperature and pH can decrease an enzyme's activity by breaking
A. amino acids
B. peptide bonds
C. hydrogen bonds
D. sulfur-sulfur bonds

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

What makes a dominant allele different from a recessive allele

¿cómo demostraron los experimentos de griffith que un factor hereditario estaba involucrado en la transformación bacteriana?