A DNA sequence is shown.

AAT - CCG - GTG

Which sequence best shows the result of a substitution mutation in the DNA?

A. AAT - CCG - GTG

b. AAT - CCA - GTG

c. ACA - TCC - GGT - G

d. AAT - CAC - AGT - G

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils