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Leto [7]
3 years ago
10

A student investigated how the pressure in a diving pool varied with depth. He filled a

Biology
1 answer:
topjm [15]3 years ago
8 0
Pressure of water increases with depth. Thus, the balloon decreases in volume as it is forced deeper. The correct answer is C).
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Carbon dioxide diffuses into the ocean carbon cycle via the air-sea surface exchange. Molecules of CO2 enter the ocean by diffus
Inessa05 [86]

C is the correct answer for this one

6 0
3 years ago
A DNA molecule produced by combining DNA from different sources is known as
Digiron [165]

Answer:

A DNA molecule produced by combining DNA from different sources is known as recombinant DNA.​

Explanation:

Recombinant DNA (rDNA) can be obtained by coupling DNA fragments from different sources, a process that is performed at the restriction site level and uses enzymes.  

Once rDNA has been designed —cutting out fragments of DNA that are then reassembled— it must be brought to a specific location in the cells, to be copied and expressed, using means of transport called vectors.

<u>DNA recombination</u> is performed in biotechnology laboratories specialized in the manipulation of genetic material.

The other options are not correct because:

  • <u><em>Mutant or mutated DNA</em></u><em> is a DNA molecule with an alteration of its nitrogenous base sequence </em>
  • <u><em>Hybrid DNA</em></u><em> is a variant of recombiant DNA, in which only two DNA molecules from different sources are used. </em>
  • <u><em>Polyploid</em></u><em> refers to cells containing the genome of different species.</em>
8 0
3 years ago
Marisol has been chewing and swallowing her food, but her digestive system is not doing what it usually does. Why is this a prob
Yakvenalex [24]

Answer:

Digestion is the process of breakdown of the large food particles into the small substances and absorbed by the body. The digestive enzymes and digestive juices are required for the digestion.

The Marisol digestive system is not working although she swallow her food. This may affect her exercise as the cells are not able to get work. The food particles are not broken down and absorbed by the cells, This causes the energy deficiency in her cells and she is not able to do normal physical work properly.

5 0
3 years ago
Can someone help me with this please thank you
meriva
I have solved part of it 2. is constantly 6.compass and part of number 3.is sun
4 0
3 years ago
I GIVE BRAINLIEST!!
Eva8 [605]

Answer:

B

Explanation:

Thermos keeps the thermal energy from escaping therefore it minimises it's transfer.

Hope that helped.

4 0
2 years ago
Read 2 more answers
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