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Rus_ich [418]
3 years ago
7

What is the mean of the highlighted section

Biology
1 answer:
RoseWind [281]3 years ago
3 0
I wish i knew the answer to this.
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Which organ is responsible for most of the absorption of nutrients into the body?
Xelga [282]
Either the duodenum or the jejunum
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3 years ago
Help? You are studying an outcrop where the lower layer is limestone and the layer directly on top of the limestone is sandstone
ELEN [110]

Answer:

Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.

Explanation:

The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.

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3 years ago
Burning of coal plays a role in which of the following cycle?
Anestetic [448]
Coal is made up of carbon, so burning coal releases carbon
4 0
2 years ago
What is the difference between a grasshopper's skeleton and yours?
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<span>Your skeleton is internal, which means it is contained inside of you. A grasshopper has an external skeleton, or exoskeleton, with everything contained inside it. </span>
5 0
3 years ago
Read 2 more answers
Which of the following statements regarding restriction enzymes is NOT true? See Section 15.1 (Page 554) . Which of the followin
irinina [24]

Answer:

Most restriction enzymes recognize sequences of 20-25 bp in length

Explanation:

Sequences of DNA that are recognized by restriction enzymes are called recognition (or restriction) sites are usually are between 4 and 8 bases long. Many of them are palindromic, which means that they are the same when you read it backwards and forwards (mirror-like).

Restriction enzymes are endonucleases, which means they cut phosphodiiester bonds within DNA. These enzymes are from prokaryotic organisms (archea and bacteria) which use them as defending mechanism against viruses. Prokaryotes protect their own DNA via methylation, performed by methyltransferase.

7 0
2 years ago
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