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bagirrra123 [75]
3 years ago
11

Which of the following was NOT a job available to English colonists?

Biology
1 answer:
ankoles [38]3 years ago
3 0
I believe the answer is B.
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A. Watch the video B. Answer questions below 0:00 5:05 This In The Clinic video will task you 1x O 1.Briefly explain why S. sali
masya89 [10]

The <em>S. salivarius</em> is chosen because it the predominant gram positive bacteria that colonizes the oral cavity shortly after birth.

<h3>What is PCR?</h3>

Polymerase chain reaction(PCR) test is a type of test that is used to identify a particular deoxyribonucleic acid of an organism.

<em>Streptococcus salivarius</em> cannot be cultured especially when the test sample is contaminated with other body normal flora.

The steps of PCR testing include the following:

  • Denaturation by heat

  • Annealing Primer to Target Sequence

  • Extension

  • End of the First PCR Cycle

On a crime scene, the specimen that can be used for PCR testing are blood and body secretions.

PCR testing can be done on a scene with blood spills.

Learn more about gel electrophoresis here:

brainly.com/question/6885687

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8 0
2 years ago
Use what you know about atmospheric circulation and seasonal changes in the sun’s orientation to earth to explain the highly sea
viva [34]

Answer:

The Inter-Tropical Convergence Zone (ITCZ)region gets the most direct sunlight at any given period in time. This in turn causes air to be unstable with a drop in pressure and rise of air which cools and condenses into clouds to form precipitation causing the wet season in the tropics.

In this region, the sun is directly or almost overhead as seen during summer periods in the tropics.

Only in areas of the North and South of the ITCZ known as doldrums which at times are parallel to the ITCZ do we have high pressure that aren't conducive to precipitation causing dry season in the tropics.

In the ITCZ zone, we also have the tropical rain forests along the equator with huge amount of all round rain for the year.

Along the equator, on either side of the rain forests we have the dry and wet forests with the savannah to the North of this region and the southern hemisphere to the south of these forests since these forests are seen mostly in the ITCZ than the savannahs.

Rain shadows and ocean cueeebts may at times cause some savannahs to be along the equator and some rain forests -wet and dry forests- to be positioned further form the equator.

4 0
3 years ago
Which of the following diseases is caused by a virus?
Greeley [361]
I would say B is the answer because Athlete's Foot is an infection, African Sleeping Sickness is caused by a parasitic disease, and tuberculosis is a disease.
7 0
3 years ago
Whats similar between a suspension and a solution
kari74 [83]
Not a lot besides the fact that they are both mixtures in water, because a solution is a mixture in which the solutes ( solids) dissolve, and suspension is a mixture in which the solutes don't dissolve.
6 0
3 years ago
What path does pollen need to travel for the plant to reproduce?.
FrozenT [24]

Answer:

stigma

Explanation:

Pollination occurs when pollen grains from the anther land on a stigma. After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.

6 0
2 years ago
Read 2 more answers
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