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Neko [114]
3 years ago
11

Which of the below battles was a German victory during World War II

Biology
1 answer:
Allisa [31]3 years ago
6 0
Wheres the multiple choice question?

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You want to make a grilled cheese sandwich. The weight of each slice of bread is 1.4 grams and the cheese weighs 21 grams. What
Flauer [41]

Answer:

The answer is 23.8 grams

Explanation:

3 0
3 years ago
In a field of flowering plants known as evening primrose, a genetic doubling event produces a few individuals that are still in
Mice21 [21]

Answer:

sympatric

Explanation:

Speciation is the process by which new species originate and there are several mechanisms and processes by which speciation can take place.

When speciation occurs in a common geographical area where there are no barriers preventing the mating of species and the members of the species lie in close proximity to one another however, even in such conditions new species arise because of some differential characteristics. Such a speciation is termed as sympatric speciation.

In the given situation, the individuals that undergo genetic doubling get reproductively isolated from the original population because of incompatibility to mate even though they have close proximity with each other.

Therefore, the new species of evening primrose have arisen due to sympatric speciation.

3 0
3 years ago
Anomalous development of 3rd and 4th branchial pouches leading to thymic hypoplasia is the mechanism of defect for
melisa1 [442]

The anomalous development of 3rd and 4th branchial pouches which leads to thymic hypoplasia particularly the 22q11.2 deletion is the mechanism of defect for Di-George Syndrome or DGS.

This is a primary immunodeficiency disease caused due to abnormal migration and development of tissues and certain cells during the course of foetus development.

There are certain functional deficiencies such as decrease in number of the T-cells, normal or decreased serum Ig, and normal B-cells.

The Di-George syndrome has a micro deletion of the chromosome 22q11.2 also known as the DGS critical region is also referred to as 22q11.2 deletion syndrome.

The symptoms of Di-George syndrome include developmental delay, congenital heart problems, cleft palate and frequent infections.

The Di-George syndrome is caused by deletion of 30 or 40 genes in the middle of chromosome 22, the particular location known as 22q11.2. Every person has 2 copies of chromosome 22, one inherited from each parent. If a person has Di-George syndrome, one copy of the chromosome 22 is missing a segment which includes around 30 to 40 genes.

The deletion of the genes from the chromosome 22 is a random event of father’s sperm or the mother’s egg.

The effects of this syndrome vary widely and have its effect on several parts of the body. Infections are common in this syndrome due to the problems arising in the immune system’s mediated response as in some patients the hypo plastic thymus is absent.

Children diagnosed with Di-George syndrome have a particular profile of neuropsychological test.

Patients who have Di-George syndrome can develop some autoimmune disorders at a higher rate than the general population. The exact mechanism which causes this syndrome and the features associated with it are still not known completely.

The diagnosis of the Di-George syndrome is done basis the symptoms at the time of birth or which develop soon after birth and get confirmed through genetic testing. Exact treatment and cure for Di-George syndrome is still not known but certain individual features are treated using the available standard treatments.

6 0
3 years ago
Read 2 more answers
place the following levels or organization in the correct order from smallest to largest: organelles, atom, tissue, organism, or
STALIN [3.7K]
Atom, molecule, organelle, cell, tissue, organ, organ system, organism!
4 0
3 years ago
1.  Which of the following are factors that both unicellular and multicellular organisms actively balance in order to achieve ho
satela [25.4K]
1) Wastes, nutrients, and water are all maintained by both unicellular and multicellular organisms alike.
2) The organism would die.
8 0
3 years ago
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