Stanley Miller and Harold Urey were the first to demonstrate
that
A. the earliest genetic mat...
Biology, 02.02.2021 23:40 taraupchurch23
Stanley Miller and Harold Urey were the first to demonstrate
that
A. the earliest genetic material was RNA, rather than DNA.
B. meteorites contain amino acids, many of which exist on
Earth.
C. earth formed from a nebula approximately 4.6 billion years,
Ago.
D. organic molecules can be formed from inorganic molecules
Answers: 3
Biology, 21.06.2019 22:30
How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?
Answers: 1
Biology, 21.06.2019 23:30
Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.
Answers: 1
Biology, 22.06.2019 00:40
Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation
Answers: 1
Biology, 22.06.2019 01:00
When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
Answers: 2
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