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MrRa [10]
3 years ago
5

Describe the relationship and movement between Temperature and Density in a convection cell. Make sure you identify the directio

n of travel.
Biology
1 answer:
spayn [35]3 years ago
8 0

Answer:

There is an inverse correlation.

Explanation:

A convection cell can be described as an area of which it's boundries can be stated where two substances either fluid or gas can move due to the temperature changes.

Temperature and density in a convection cell have a relationship which is inversely correlated meaning that if the temperature increases, the density decreases and the matter which has a higher temperature and also lower density moves towards the part with the greater density. The direction of travel of the warmer substance is upwards and vice versa.

The mantle of the earth or the atmospheric movements between the land and the sea can be given as examples to convection cells.

I hope this answer helps.

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If a woman with vaginal bleeding reports syncope, the EMT should assume that she: Select one: a. has an ectopic pregnancy. b. is
sergiy2304 [10]

If a woman with vaginal bleeding reports syncope, the EMT should assume that she "is in shock".

<u>Option: B</u>

<u>Explanation:</u>

The most common form of syncope is the Vasovagal syncope. It is triggered by a dramatic drop in blood pressure, resulting in a decline in blood flow to the brain. When one stand up, gravity causes blood to settle down below one's diaphragm, in the bottom part of their body.

It is a component of a wider class of medical conditions which may lead in TLOC involving postural orthostatic tachycardia syndrome (POTS), orthostatic hypotension and neurologically mediated syncope (NMS). The overlapping of such clinical symptoms causes confusion about the category of syncopes which may complicate assessment approaches and present difficulties for diagnosis and treatment, especially in young women.

8 0
3 years ago
Explain how the Naked DNA exploits vector's DNA ability to make a vaccine.
mixer [17]

Answer:

DNA vaccines consist of DNA vectors or plasmids (small double-stranded DNA rings originally derived from bacteria, but unable to cause infection) into which the genes encoding one or more immunizing proteins of the infectious agent have been inserted causing the disease to be prevented.

Explanation:

Vectors are the functional unit of naked DNA vaccines. Genes that encode the proteins of interest and are of bacterial origin are inserted into these vectors. Bacterial plasmids are circular DNA molecules that self-replicate extrachromosomally in bacteria. The genes encoded in these plasmids are under the control of promoters, almost always of viral origin. When a plasmid is introduced into the cell it translocates to the nucleus, where transcription of the transgene begins; the transcripts are then taken to the cytoplasm and translated there. The newly synthesized proteins are degraded in the proteasome to 8-10 amino acid peptides, which are transported to the endoplasmic reticulum. Peptides of high affinity with their respective MHC I molecule stabilize and enter the secretory pathway, thus reaching the cell surface, where they are coupled with the T-lymphocyte receptor (TcR) present on the surface of T lymphocytes cytotoxic drugs (CD8 +) to induce their activation.

4 0
2 years ago
Scientific models are based on a set of observations.
faust18 [17]
The right anwser is true
3 0
3 years ago
Read 2 more answers
What weather follows a cold front?
disa [49]
A warm front brings gentle rain<span> or light </span>snow<span>, followed by warmer, milder weather.</span>
4 0
3 years ago
How did Gregor Mendel's research affect the science of his time?
Rufina [12.5K]

Answer:

The correct option is A. His research was not appreciated by the scientific community until after he died.

Explanation:

Gregor Mendel was an Austrian monk who laid the foundation of genetics. Mendel studies seven traits from the pea plants and formed the law of segregation and law of independent assortment.

The work of Mendel was not appreciated until his death. In the 20th century, his work was eventually rediscovered and appreciated.

However, Mendel's study did not include any explanations for polygenic traits. His results could predict heritability in both plants and animals.

7 0
2 years ago
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