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Bad White [126]
3 years ago
6

A __________ is a large area of flat or gently rolling land.

Biology
1 answer:
topjm [15]3 years ago
7 0

Answer:

plains Is the awnser, hope this helps

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Why choose that gene for PCR in the bacterial identification lab?
Reika [66]

Answer:

Background

During the course of a bacterial infection, the rapid identification of the causative agent(s) is necessary for the determination of effective treatment options. We have developed a method based on a modified broad-range PCR and an oligonucleotide microarray for the simultaneous detection and identification of 12 bacterial pathogens at the species level. The broad-range PCR primer mixture was designed using conserved regions of the bacterial topoisomerase genes gyrB and parE. The primer design allowed the use of a novel DNA amplification method, which produced labeled, single-stranded DNA suitable for microarray hybridization. The probes on the microarray were designed from the alignments of species- or genus-specific variable regions of the gyrB and parE genes flanked by the primers. We included mecA-specific primers and probes in the same assay to indicate the presence of methicillin resistance in the bacterial species. The feasibility of this assay in routine diagnostic testing was evaluated using 146 blood culture positive and 40 blood culture negative samples.

Explanation:

Results

Comparison of our results with those of a conventional culture-based method revealed a sensitivity of 96% (initial sensitivity of 82%) and specificity of 98%. Furthermore, only one cross-reaction was observed upon investigating 102 culture isolates from 70 untargeted bacteria. The total assay time was only three hours, including the time required for the DNA extraction, PCR and microarray steps in sequence.

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3 years ago
As a result of an injury in gallbladder of a person, it had been removed surgically, which of the following processes can be aff
shepuryov [24]

Answer:

D

Explanation:

5 0
2 years ago
Which of the following is defined as the location and density of a population in an area?
Ymorist [56]
It is Distribution (b).
3 0
3 years ago
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These are barrel shaped microtubules in most animal cells, that organize the spindles during cell division.
DanielleElmas [232]
The centrioles are the barrel shaped microtubules that organize the spindles during cell division.

:)
3 0
3 years ago
Which process is driven by the energy from earth’s interior?
tensa zangetsu [6.8K]

Answer:

solar energy

Explanation:

Solar energy mainly drives the processes that happen at the earth's surface, like the water cycle, wind, weathering, erosion, and growth. Energy from inside the earth is responsible for internal processes like volcanism, metamorphism, and plate tectonics.

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