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Ne4ueva [31]
3 years ago
13

The procedure that uses liquid radiopaque contrast medium inserted into the rectum and colon​ is:

Biology
1 answer:
Evgen [1.6K]3 years ago
8 0
The right answer is barium enema.

The barium enema is a radiological examination that allows studying the rectum and colon. Its purpose is to detect inflammation, infection, polyps or tumors. It uses x-rays and a baryte-based contrast product.
Its principle is to opacify and visualize the large intestine. The barite is introduced into the colon by a small cannula placed in the anus. It progresses throughout the colon and lines its walls that will be visible on the pictures thanks to the opaque radio properties of this product.
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During cellular division, one cell divides to become two cells. Then, the two cells divide to become four cells. The four cells
Whitepunk [10]

Answer:

Cellular division causes organisms to grow primarily by increasing "the number of cells in an organism."

Explanation:

The parent cell is also making a copy of its DNA to share equally between the two daughter cells. The mitosis division process has several steps or phases of the cell cycle—interphase, prophase, prometaphase, metaphase, anaphase, telophase, and cytokinesis—to successfully make the new diploid cells. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.

7 0
3 years ago
How might an RNA-based genome result in an increased infection rate? What are some potential complications to this infection str
WITCHER [35]

Answer:

I think the question is "How might an RNA-based genome results display an increased in infection rate?" because current statement doesn't convey a message clearly.

Explanation:

To answer this question, we need to understand first that what is gene expression. Gene expression is a process in which genetic information is transcribed first to RNA and then into proteins. During transcription stage, only active genes would be transcribed to RNA and all other DNA material don't transcribe at all. Now, if there is an infection, host cell would express only those genes which would actively take part in the defense mechanism, e.g. R-genes, genes involved in production of reactive oxygen species, etc. Hence, to monitor the infection rate, we will look at the RNA-based genome. To do this, we will extract the total RNA and then would sequence it. Then we will annotate the genes and check the relative abundance (differential expression). Finally, we would have a clear that these genes were active against the infection. By doing temporal sampling and sequencing, we would be able to measure the rate as well.

For the second part, potential complications that could arise in doing analysis is the lower amount of RNA, or rapid degradation of RNA in case of presence of RNAses. RNA can be degraded easily at room temperature.

3 0
3 years ago
Before the kindney filters it out, where does urea exist
ipn [44]

Answer:

In the bloodstream  

Explanation:

The metabolic breakdown of amino acids creates ammonia, which is especially toxic to the brain. The liver converts ammonia to urea, and it is then released into the bloodstream, where it travels to the kidneys and is excreted in the urine.

7 0
3 years ago
If two different animal species are found to go through equivalent stages of embryonic development until the very last stage, wh
AleksandrR [38]
The answer is <span>A. The two animal species are very closely related.

If the two animal species are very closely related, that means their genome information is very similar and that information for embryonic development is also very similar, but it will not be identical. Stages of embryonic development from the beginning to the end are same only in the same species. In different species, they will differ in lesser or greater extent which depend on how closely this different species are related.</span>
6 0
3 years ago
Can some one help me please
SOVA2 [1]
Observable traits- phenotype
the second one is recessive. good luck!
6 0
4 years ago
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