Biology, 09.12.2019 19:31 genyjoannerubiera
In contrast to the urey-miller experiment in which organic molecules were produced in conditions mimicking earth’s early atmosphere, how does the data in the table inform scientific models of the origins of life?
a) it restricts the first organisms to extraterrestrial sources.
b) it provides an alternative source for the first building blocks of life.
c) it suggests that simple organic compounds could not have formed in earth’s early atmosphere.
d) it extends the urey-miller results to say that early atmospheric conditions must have resembled those in space.
Answers: 1
Biology, 22.06.2019 04:30
Types of scientific inquiry that biologist engage in that cannot be completely controlled
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Biology, 22.06.2019 07:00
An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?
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Biology, 22.06.2019 12:30
Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls
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Biology, 22.06.2019 15:10
Abacteriophage typically attaches to the bacterium and then
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In contrast to the urey-miller experiment in which organic molecules were produced in conditions mim...
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