Biology
Biology, 25.02.2021 01:00, ineedhelp2285

You decide to sample the bacteria growing on several items in a laboratory space. You follow aseptic techniques and use applicator swabs dipped in a sterile broth solution to sample from the floor, the sink, and your shoe. You spread each sample on separate labeled agar plates for incubation. a. You want to be sure that the sterile solution you used for sampling was not contaminated. How would you set up a negative control to test this?

b. What result for your negative control would indicate that something is contaminated?

answer
Answers: 2

Other questions on the subject: Biology

image
Biology, 21.06.2019 16:50, brenton14
Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.
Answers: 1
image
Biology, 21.06.2019 23:30, bigg3826
Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries
Answers: 2
image
Biology, 22.06.2019 01:30, youngboymark123
What abo controlling alleles could kim give her child
Answers: 2
image
Biology, 22.06.2019 03:00, elishaheart21
Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.
Answers: 3
Do you know the correct answer?
You decide to sample the bacteria growing on several items in a laboratory space. You follow aseptic...

Questions in other subjects: