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Pachacha [2.7K]
2 years ago
10

Which of these can be used as fuel, garden mulch, and packing material?

Biology
1 answer:
kramer2 years ago
8 0

Answer: peat moss

Explanation:

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Why did the invention of pcr make dna fingerprinting possible
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With the invention of the PCR technique , DNA profiling took huge strides forward in both discriminating power and the ability to recover information from very small or degraded starting samples.

The process of PCR mimics the biological process of DNA replication but confines it to specific DNA sequences of interest.

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3 years ago
Describe the characteristics of the keratinocyte membrane that restrict water movement across the membrane. If isolated keratino
elena-14-01-66 [18.8K]

Answer:

It has four layers and attach with each other with desmosome.

Explanation:

The keratinocytes are arranged in four different layers which are the stratum basale, stratum spinosum, stratum granulosum, and stratum corneum. These cells are attached with desmosome which is a membrane protein. The presence of these four layers made a barrier against damage done by heat, UV radiation, water loss, pathogens etc. There are fewer cells at the end of the time as compared to the start because may be of the water pressure on the membrane or these cells for a long time.

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4. A living cell is not a simple geometric shape, like a sphere or a cube. What sort of weird cell shape might increase the rati
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Answer:

Gabriel's horn

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What the question is asking for is a 3-dimensional shape that has a lot of surface area and only a little volume. The first thing I thought of was a geometric figure called Gabriel's Horn. A quick search on Wikipedia will explain better than I can, but basically it has infinite surface area but finite volume. You probably couldn't test the shape in any experiment, though, since it's only theoretical and can't exist in real life.

Let me know if I can explain anything in a clearer way!

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