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sergeinik [125]
3 years ago
6

What is gel electrophoresis used for?

Biology
2 answers:
geniusboy [140]3 years ago
6 0

Answer:

B. separating strands of DNA

Eva8 [605]3 years ago
6 0
The answer is option B
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a cell is placed in a solution of 3% starch and 3% glucose. After several hours, glucose is detected outside of the cell, but st
Alex17521 [72]

Answer and Explanation:

The cell was placed in a hypertonic solution. Glucose is a monosaccharide while starch is a polysaccharide. The concentration on the outside is higher compared to that on the inside. The cells have cell membrane that is semi-permeable.

Movement of molecules is dependent on the concentation gradient. However, the size of molecules determine the diffusion rate. Small and light molecules diffuse faster than large and heavy molecules thus glucose diffused faster than starch.

The cell membrane being permeable suggested that it allows molecules of small sizes to pass but not large ones.

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In a car accident, jane suffered a chest injury that resulted in impaired breathing and respiratory acidosis. how will her body
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  Her  body compensate  for  imbalance    by Kidney retain  bicarbonate  ions  .An  increase  in  hydrogen  ion  in  the body  causes  the  kidney  excrete more  acid.These  lowers  the  PH  of  the  blood  since  hydrogen ion  are  increased  while  bicarbonate  ion  are  decreased
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3 years ago
Word bank
Alekssandra [29.7K]

Answer:

Meiosis is a process in which sex cells, also known as gametes are made. Meiosis is different from mitosis in a lot of ways, one being that mitosis creates identical daughter cells and meiosis creates unique daughter cells. Meiosis is important because it allow for the creation of a meiosis nucleus. Cells produced by meiosis will be used in haploid, where each member of the next generation is genetically unique.

Cells produced in <u>sexual reproduction</u> will have half of the genetic information of body cells and will be genetically <u>unique</u>. This is necessary because when a sperm and an egg fuse together in sexual reproduction. They form a <u>zygote</u>: the first body of a new individual.

The new individual will now have cells that are <u>diploid</u>, meaning they have two sets of chromosomes. They zygote will have to do a lot of <u>mitosis</u> allowing it to grow quickly and ensure that all of its cells are genetically unique.

7 0
2 years ago
Name three ways that humans benefit from the use of seedless plants
AleksandrR [38]

Answer:

They support life by being the first vegetation to spring up on harsh terrain where soil is scarce. Even when they perish, seedless plants give back to nature. Certain seedless plants like moss and liverworts actually leave behind a layer of fertile soil for other plants when they perish.

Explanation:

Seedless plants have historically played a role in human life through uses as tools, fuel, and medicine. Dried peat moss, Sphagnum, is commonly used as fuel in some parts of Europe and is considered a renewable resource.

6 0
3 years ago
While it is true that stretching a "pumped" muscle will make it appear visibly smaller, it does not decrease the muscle's ______
Mazyrski [523]
While it is true that stretching the pumped muscle will make it appear visibly smaller, it does not decrease the muscle's size or inhibit muscle growth.  Pumped muscles is when the muscles swell up during workout or exercises, that is caused by excessive amount of blood going into the muscles and filling it up the same way you would fill up a water balloon. This causes the muscles to get a very full, tight feeling and your skin becomes tighter. 
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