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Whitepunk [10]
3 years ago
5

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are

Biology
1 answer:
exis [7]3 years ago
6 0

The right answer is B.

Cholera vaccination is only recommended for staff who have to intervene with patients in an epidemic situation. In all other cases, effective prevention is provided by good personal hygiene (washing hands) and food.

It is also important to know that this vaccine does not protect permanently: It protects only about 90% within 6 months, then to 50% within 3 years.

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If a scientist were to study the organisms in your ecosystem what questions might they ask
aliina [53]

Answer:

I would write a question about relationships between predators and prey of a given ecosystem.

Explanation:

An example question is:

a.) "Draw a predator-prey graph that shows the relationship between lions and zebras."

b.) "Explain the trends of the above graph with regard to increase and decrease of the prey of predators."

I hope that made sense :)

Good luck.

5 0
3 years ago
Read 2 more answers
Question is below :)
cricket20 [7]
For the first question-a bicep is a large muscle in the upper arm which flexes the arm and forearm, a tricep is a large muscle at the back of the upper arm and a deltoid is a thick triangular muscle covering the shoulder joint and used for raising the arm away from the body.
3 0
3 years ago
Put yourself in the role of each of the following people:
Sergeu [11.5K]

Answer:

idc

Explanation:

i dont understand bc i dont have this class

4 0
3 years ago
Imagine you are a student trying to decode the genetic code. An artificial mRNA molecule consisting of poly-CA (5ʹ... CACACACACA
Semmy [17]

Answer:

ACA: Threonine

CAC: Histidine

Explanation:

To answer this question we need to remember that the ribosome reads every three bases or 'codon' in order to assign the right tRNA carrying the amino acid.

In the first artificial mRNA we see two patterns of three letter:

CAC and ACA.

In the second artificial mRNA we are able to identify three different patterns:

CAA

AAC

ACA

And they repeat, so we end with three different polypeptides: polythreonine, polyglutamine and polyasparagine. This will depend on the initial letter the ribosome starts reading.

The only amino acid that repeats in both artificial mRNAs is Threonine,  and we see its pattern ACA also repeated.

So, we could assign this codon (ACA) to threonine.

We can then assume that the pattern CAC codifies for histidine since we only get this two polypeptides in the first mRNA.

Lastly with the information provided we cannot determine the codons AAC and CAA for glutamine or asparagine. We would need further experiments.

5 0
3 years ago
A child with allergic rhinitis is prescribed a nasal antihistamine spray. when advising the parents about the use of the sprays,
Lana71 [14]
Rhinitis is an allergic condition characterized by inflammation in the mucus membrane lining of the nose. The anti-histamine nasal sprays controls the symptoms of allergy but it has rebound effect which means that though the sprays works well in controlling the disease, it still causes inflammation and damage to the mucus membrane lining of the nose that may lead to nausea and bleeding of nose.
4 0
3 years ago
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