Are viruses alive? the scientific debate continues. viruses exhibit some characteristics of life, but others are missing. the most obvious reason why scientists still refer to viruses as non-living is that they a) do not change over time. b) do not contain any genetic material. c) are much smaller than anything alive. d) are not composed of one or more cells.
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Biology, 22.06.2019 01:30
Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina
Answers: 2
Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
Answers: 3
Biology, 23.06.2019 02:40
Which of the items below would represent the phenotype of an individual? a.gg b.hh c.brown fur
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Biology, 23.06.2019 04:31
Which is not a reason to gentically modify an organism? a.changing the dna of a crop plant to make it resistant to pesticides b.changing the dna of a crop plant to make it produce more yield per acre c.changing the dna of a crop plant to make it resistant to insects d.changing the dna of a crop plant to make it more susceptible to pest insects
Answers: 2
Are viruses alive? the scientific debate continues. viruses exhibit some characteristics of life, b...
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