subject
Biology, 29.10.2020 16:50 damientran

A scientist found that a Petri dish from an experiment had not been cleaned several days earlier. In the dish, she discovered a bacterial culture that she had not seen during the experiment. How could she gather evidence to support a claim about whether the bacteria had developed from the material left from the earlier experiment? a)Take a sample of the bacteria and grow it in an incubator. b)Gather dirty Petri dishes from other labs to see if they grow the same bacteria. c)Check all the clean Petri dishes for residue from the previous experiment. D)Try the original experiment again, do not clean some of the Petri dishes, and see if the bacteria grow.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 00:30
Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
Answers: 2
question
Biology, 22.06.2019 01:30
All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.
Answers: 1
question
Biology, 22.06.2019 08:30
Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above
Answers: 1
question
Biology, 22.06.2019 14:00
Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !
Answers: 2
You know the right answer?
A scientist found that a Petri dish from an experiment had not been cleaned several days earlier. In...
Questions
question
Mathematics, 01.12.2020 16:20
Questions on the website: 13722367