Biology, 19.03.2020 23:53, jet0120996
A certain restriction enzyme digest results in DNA fragments of the following sizes: 4,000 bp, 2,500 bp, 2,000 bp, and 400 bp. Sketch the resulting separation by electrophoresis. Show starting point, positive and negative electrodes, and the resulting position of the DNA bands. ( this will all be in one column or well)
Answers: 1
Biology, 21.06.2019 16:30, Abbymay17
Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.
Answers: 2
Biology, 21.06.2019 22:00, vegeta8375
(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?
Answers: 3
Biology, 22.06.2019 11:30, yarrito20011307
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
A certain restriction enzyme digest results in DNA fragments of the following sizes: 4,000 bp, 2,500...
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