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miskamm [114]
3 years ago
15

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

Biology
2 answers:
Vedmedyk [2.9K]3 years ago
7 0

Answer:

The correct answer would be bones.

X-rays are high energy electromagnetic waves which have an ability to penetrate most of the biological tissues.

In the X-ray machine, a beam of high energy X-rays is passed through the filters and subject and then fall on the detector or photographic film to produce X-ray.

Dense tissues like bone, teeth, tumors et cetera blocks or stops most of the X-ray particles from reaching the detector or photographic film.

It forms glowing pictures on the X-ray film or photographic film.

The denser the material the brighter the image will be formed on the photographic film.

scoray [572]3 years ago
4 0
Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

Answer: Out of all the options available the best one that blocks X-ray particles and can therefore be observed more closely through the use of this technology are the bones.

I hope it helps, Regards.
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In squash, yellow seeds are dominant over green seeds. If two heterozygous yellow seed squash were crossed, what are the genotyp
Umnica [9.8K]

Answer:

The result of cross two squashes with yellow seeds is an offspring of squash with green seeds -dominant caracter- heterozygous and yellow seeds squashes in a genotype proportion 1:2:1  and phenotype proportion 3:1

Explanation:

The cross of two heterozygous individuals for a characteristic results in an offspring that will have both characteristics in pure and heterozygous form. It is a cross monohybrid which complies with the principle of independent segregation exposed by Mendel.

For the characteristic "seed color" the green color would be G and yellow represented as g.

At the cross of two heterozygous squashs:

- Parents: Gg X Gg

- <u>Punnett's Square</u>:

Alleles    G         g

G           GG       Gg

g           Gg        gg

Offspring:

  • A pumpkin of green seeds GG (25%)
  • Two pumpkins of green heterozygous seeds Gg (50%)
  • One pumpkin of yellow seeds gg (25%)

Genotype proportion 1:2:1

Phenotype proportion 3:1

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3 years ago
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Answer:

Answer is C, the precautionary principle

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The precautionary principle is finding a way to cope with likely risk that can occur where scientific understanding is still in process.

It can also be explained as of being conscious when involving in an activity that raises threat of harm to the environment by taking precautionary measures.

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Answer: Explain why two different enzymes are needed for the synthesis of glycogen from glucose phosphate. This is because enzymes are substrate specific, in that each enzyme only catalyzes one substrate. This is because enzyme activity increases with concentration, or availability of the substrates.

Explanation:

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