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3 years ago

When doing medical research with human subjects, which four limitations are unavoidable?

Biology

2 answers:

Deffense [45]3 years ago

7 0

Answer:

While doing medical research on the human subject, following limitations are unavoidable:

a). Privacy: The privacy of the subject involved in the research should be maintained.

b). the subject must be allowed to the minimal exposure to risks and it must be tested on animals first to avoid deaths.

c). The risk associated with the physiological and physical well being of the subject must be considered.

d). The subject must be well instructed about all the risk and procedure involved in the research.

xenn [34]3 years ago

5 0

Answer:

At the time of performing research with human subjects, there are limitations that can be unavoidable are as follows:

a. Firstly there will be ethical concerns, that is, there are privacy or ethical concerns to look after.

b. It is generally not possible to repeat trials on a similar subject.

c. It can be tough to monitor all the probable variables.

d. The subjects may report an imprecise medical past.

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The Y chromosome in human males...?

pishuonlain [190]

Answer: C, Appears to be genetically almost inactive.

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3 years ago

Read 2 more answers

NEED HELP QUICK PLEASE HELP

kozerog [31]

Answer:

Question 1

Question 2

Question 3

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

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3 years ago

Which is true of the thylakoids? have a small surface area hold a small number of electron-transporting molecules are surrounded

Maslowich

The thylakoids contain two photosystems. They are the site of light-dependent reactions and are a <span>membrane-bound compartment inside chloroplasts and cyanobacteria.</span>

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4 years ago

PLEASE HELP DUE TODAY!!

Shalnov [3]

The genetic fault that usually causes colour vision deficiency is passed on in what's known as an X-linked inheritance pattern.

This means:

1) it mainly affects boys, but can affect girls in some cases

2) girls are usually carriers of the genetic fault – this means they can pass it on to their children, but do not have a colour vision deficiency themselves

3) it's usually passed on by a mother to her son – the mother will often be unaffected as she'll normally just be a carrier of the genetic fault

4) fathers with a colour vision deficiency will not have children with the problem unless their partner is a carrier of the genetic fault

5) it can often skip a generation – for example, it may affect a grandfather and their grandson

6) girls are only affected if their father has a colour vision deficiency and their mother is a carrier of the genetic fault

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3 years ago

The central portion of an intervertebral disc is the ________.

Aleks04 [339]

The center portion of each intervertebral disc is a filled with a gel-like elastic substance. Together with the annulus fibrosis, the nucleus pulposus transmits stress and weight from vertebra to vertebra.

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3 years ago