Biology, 03.02.2020 23:48 simiyi1983
Bacteria are grown in 15n (heavy) medium and then transferred to 14n (light) medium and are allowed to replicate for 1 generation. the dna is subsequently isolated and centrifuged in a cscl2 gradient to yield what type of gradient band(s)? a. one intermediate bandb. one heavy and one light bandc. one heavy bandd. one light bande. one heavy and one intermediate band
Answers: 2
Biology, 21.06.2019 23:00, carlie4charlie
Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?
Answers: 1
Biology, 22.06.2019 01:00, dahn
What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.
Answers: 3
Bacteria are grown in 15n (heavy) medium and then transferred to 14n (light) medium and are allowed...
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