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Arada [10]
3 years ago
15

What treatment is being compared to the control in the experiment?

Biology
1 answer:
Anarel [89]3 years ago
5 0

Answer: Interventional Study

Explanation: When a treatment group is compared to standard (control) group it is called Interventional Study

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If you extract the DNA of the coliphage φ X174, you willfind that its composition is 25 percent A, 33 percent T,24 percent G, an
kifflom [539]

Answer:

This composition of nucleotide given in the question do not obey the chargaff"s rule.

Explanation:

According to chargaff"s rule the total number of purine bases will be same to the total number of pyrimidine bases that is

         Adenine+Guanine=Thymine+Cytosine

But here the above quation is not maintained because according to the question A+G=49%

        and T+C = 51%.

Such DNA is replicated by rolling circle model.

5 0
2 years ago
You are walking around LSU campus after the Aggies crush the Tigers in their SEC match. You find an unusual tree with fan-shaped
sergey [27]

Answer:

exposed ovules

Explanation:

Gymnosperms are a type of flowerless plant that tend to produce cones and seeds. This is why the name refers to "naked seed", seeing since the gymnosperm seeds are not positioned within an ovary. Therefore the presence of exposed ovules or the structure that contains the seeds in a place would immediately indicate that this is, in fact, a gymnosperm.

3 0
3 years ago
What have scientists learned about elephant shrew based on DNA evidence ?
Alex777 [14]
<span>Most elephant shrew species were first describedin the 1800s by scientists who ... DNA evidence is very conclusive and some say 99% accurate, however it is possible to challenge it based upon faulty collection and/or faulty lab techniques.</span><span>
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3 0
3 years ago
Two years of dry weather are followed by two wet years, causing the grass population to rise. How will the increase in grass aff
Ulleksa [173]

Answer is;

The animal population in the environment will increase.

This is because the grass is the main producer in a habitat. Its plentifulness directly influences that of the consumers up the food web. Increase in grass population means reduced competition for primary consumers and their population will therefore increase. This will also reduce competition for secondary consumers and tertiary consumers up the chain.  


8 0
3 years ago
Which of the following would indicate that a person has developed a hereditary form of hypertension
Salsk061 [2.6K]

The hereditary form of hypertension is detected when the adrenal gland produces too much aldosterone.

<u>Explanation:</u>

Hypertension is an important risk factor for several cardiovascular disease. If prolonged it damages the blood vessels causing malfunctioning of the heart, kidneys and brain. Hypertension can be caused due to various genetic or environmental factors.

There are cases where familial hypertension are detected. This is caused due to the mutation in a single gene which is passed on to the generations where even in young age the children are seen affected with hypertension.

This in medical terms is termed as familial hyperaldosteronism type II. This is occurred due to the mutation in CLCN2 gene. It tends to produce too much of aldosterone hormone which causes high blood pressure.

5 0
3 years ago
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