Biology, 11.02.2021 20:40 kimlyn58p0wyn0
Scenario
Justin lives in Evanston, Illinois, U. S.A. The following table shows the times of sunrise and sunset at his hometown for the past five days. He has a friend
named Mateo on social media in Buenos Aries, Argentina.
External Data
Day 1
Day 2
Day 3
Day 4
Day 5
Sunrise and Sunset Table
Sunrise (am) Sunset (pm)
5.45
8:59
5:46
8.58
5:47
8.56
5.48
8:55
5:49 18:54
Prompt
Write a scientific explanation that justifies what season Mateo experienced in Argentina during the past five days.
Write a scientific explanation that justifies what seasons Mateo experienced in Argentina the past five days.
Claim:
Evidence:
Reasoning:
Answers: 1
Biology, 21.06.2019 20:00
You have been asked to lead a demonstration for the undergraduate microbiology lab course about the uses of negative staining when studying bacteria. a "negative" stain does not stain the bacterial cell itself but stains the space between cells. under magnification, the acidic (negativelycharged) nature of the stain will be repelled by the negatively charged bacterial cell wall and willleave the cell colorless in a stained background. negative stains are used primarily to reveal the presence of negatively charged bacterial capsules; therefore, they are also called capsule stains. encapsulated cells appear to have a halo surrounding them. the negative stain procedure does not require heat fixation, which limits any chances of alteration in bacterial cell shape and size. the bacterial suspension is added to a drop of stain, such as nigrosin or eosin, and drawn across the glass slide using a coverslip.nigrosin staining-not safranin staining-of klebsiella pneumoniae will allow for the visualization of the cell shape and the determination of the presence of a capsule.true/false
Answers: 1
Biology, 21.06.2019 20:10
Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus
Answers: 1
Scenario
Justin lives in Evanston, Illinois, U. S.A. The following table shows the times of sunrise...
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