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Evgen [1.6K]
3 years ago
12

Describe the movement of oxygen molecules if there were more oxygen molecules outside the cell

Biology
1 answer:
Molodets [167]3 years ago
6 0

Explanation:

Because there's a higher concentration of oxygen molecules outside the cell compared to the cell's cytoplasm, you'll see that oxygen diffuses into the cell along this concentration gradient. ... Because the molecules are moving at random, some will move out of the cell, but most will be moving in in this case.

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How dose uv light affect folate
Ivan

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 (UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.

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Match these cell division phases with the appropriate processes:
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Answer:

1) Break down of the nuclear membrane allowing mitotic spindles to connect to kinetochores:A. Metaphase

2)APC degrades securin which allows separase to become active which degrades the cohesin rings: E. Anaphase

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4) cleavage of plasma membrane by actin and myosin contractile ring:D.Cytokinesis

5) copying of the genome:C. Interphase

6) formation of the metaphase plate:B. Prometaphase

Explanation:

7 0
3 years ago
Which of the following is NOT an indication of tectonic activity?
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Similarities in vegetaion
5 0
3 years ago
Dan "threw out his back" after lifting heavy furniture and complained of pain radiating down the back of his right leg. Use anat
shepuryov [24]

Answer:

When Dan "threw out his back", the anatomical terminology regions where the injury occurred corresponds to the lumbar segment of the spine, affecting the sciatic nerve and causing pain referred to the posterior face of the lower right limb. The imaging technique that could be used for diagnostics is nuclear magnetic resonance imaging.

Explanation:

One of the consequences of physical exertion - such as lifting heavy objects - is lower back injury, which can range from painful muscle contraction, muscle tearing, or inter-vertebral disc injuries in the lumbar spine.

In Dan's case, the effort to lift the furniture may have caused:

  • Protrusion of the disc that lies between two vertebrae, called a herniated disc.
  • Lumbar disc hernias can cause compression of the sciatic nerve.
  • Sciatic nerve injuries produce a number of symptoms such as pain or neurological disorders - such as tingling, numbness, painful current, among others - in the territory of that nerve.
  • Dan experiences pain in the back of the right lower limb, where the affected sciatic nerve passes.
<h3> Which imaging technique would you prescribe to diagnose a spinal problem?</h3>

The best imaging study to show that this lesion has occurred and diagnose a spinal problem is the magnetic resonance imaging, which allows to observe both the bone structures and the soft tissue (cartilage, muscle) of the affected area.

The X-rays only allow to see the structures of the bones, useful to diagnose fractures, deformities or structural alteration, but they do not show the state of the ligaments, inter-vertebral discs or muscle.

Learn more:

brainly.com/question/1017175

3 0
3 years ago
Why is circulation in humans called closed double circulation?
Hatshy [7]
The majority of mammals (including humans<span>) utilize a </span>double circulatory<span> system. This means we have two loops in our body in which blood circulates. One is oxygenated, meaning oxygen rich, and the other is deoxygenated, which means it has little to no oxygen, but a lot of carbon dioxide.</span>
7 0
3 years ago
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