Biology, 15.10.2020 03:01, TheOriginal2x

What is negative controls used for?

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 13:30, trodgers0202

The afrikaners are an example of a founder effect that occurs when a new colony is started by a few members of the original population and the random decrease in genetic variation is an example of

Answers: 1

continue

Biology, 22.06.2019 00:50, bvghchg8812

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

Answers: 2

continue

Biology, 22.06.2019 01:00, meandmycousinmagic

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Answers: 1

continue

Biology, 22.06.2019 01:00, justhereforanswers13

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.