Which of the following scientists discoverell that in DNA there is the same amount of 1 point adenine as thymine and the same amount of guanine as cytosine?

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

How do chloroplasts set plants apart from other living things

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