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Dafna11 [192]
3 years ago
9

There is nothing inherent in the nature of a large quadruped well-suited for long-distance running that requires us to call this

creature a "horse." This illustrates the linguistic design feature of...
Biology
1 answer:
zzz [600]3 years ago
4 0

Answer:

There is nothing inherent in the nature of a large quadruped well-suited for long-distance running that requires us to call this creature a "horse." This illustrates the linguistic design feature of <u>arbitrariness</u>

<h2>Explanation:</h2><h3>Arbitrariness : </h3>
  • No resemblance between the language signal and the thing that it represents. It means there is no connection or relationship between the linguistic forms and the meaning e.g when we pronounce the word house, it has nothing to do with the shape of the house.
  • In animal communication, there is often a strong recognizable link between the actual signal and the message an animal wishes to convey.
  • In human language, there is no link whatsoever between the signal and the message.
  • There is no intrinsic connection between, for example the word elephant and the animal it symbolizes.
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One of Loraine's friends, Marie, started purchasing raw, unpasteurized milk for her children. Marie insists that pasteurization
lana66690 [7]

The given question is incomplete, the complete question is:

One of Loraine's friends, Marie, started purchasing raw, unpasteurized milk for her children. Marie insists that pasteurization reduces the nutritional quality of milk and raw milk contains phytochemicals that are destroyed during pasteurization. What should Loraine tell her friend about pasteurization?

A: The pasteurization process heats foods to kill pathogenic microorganisms and reduce the total number of bacteria.

B: The pasteurization process denatures protein and kills harmful prions.

C: The pasteurization process evenly distributes fat particles throughout the milk so the cream doesn't rise to the top of the milk.

D: The pasteurization process releases bound calcium and increases absorbable dietary calcium in cow's milk.

Answer:

The correct answer is option A, that is, by the process of pasteurization food is heated in order to eliminate the pathogenic microbes, which eventually diminishes the bacterial number.

Explanation:

The process by which some of the components of food like dairy products and juice are heated slightly so that the harmful bacteria and pathogens get eliminated from the food is known as pasteurization. It is important to kill such bacteria and pathogens as it may cause certain diseases after consumption.  

Pasteurization is the process of treating non-packaged and packaged foods with a mild heat, which is generally less than 100 degree C. The process helps in extending the shelf-life of the food product by eliminating the harmful bacteria and pathogens from it.  

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Most organisms obtain energy from food by the process of cellular respiration. Which is the most likely explanation for what pre
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The answer is C because plants use photosynthesis and animals use cellular respiration, so they balance each other out.
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Drag the words to complete the sentences.
lina2011 [118]

The Replication process in eukaryotic and prokaryotic cells is quite similar. Almost the same enzymes are involved. 1)eukaryotic, 2)multiple, 3)circular.

<h3>What is the prokaryotic DNA replication process?</h3>

In prokaryotic cells,  DNA Replication consists of the unwinding and opening of the double-stranded DNA molecule, a process that starts at the replication origin.

The process is completed in three stages,

⇒ Initiation, in which helicase and topoisomerase are the first enzymes involved.

Helicase works in the replication origin.

  • It separates the DNA into two strands allowing the replication fork to advance by unwinding the DNA.
  • It breaks hydrogen bonds between nitrogenated bases pairs.

Topoisomerase impedes the DNA double helix near the replication forks to get too coiled when the DNA is opening.

⇒ Elongation, in which DNA polymerase I and III, primase, and ligase act,

Polymerase I and III are responsible for DNA elongation.

  • They are in charge of adding nucleotides to the growing chain, from 3' to 5' extremes.
  • It includes only nucleotides that complement the original strand.
  • They need to recognize a primer to begin.
  • The new chain grows in 5’-3’ direction

Primase is in charge of synthesizing primers.

DNA polymerase I eliminate ARN primers and substitute them with DNA.

DNA ligase seals the gaps that remain after replacing the primers.

⇒ Mistakes correction

Endonuclease cuts the wrong segment

Polymerase I and III are in charge of correcting errors and filling empty spaces.

Ligase seals the corrected extremes.

The prokaryotic replication result is two DNA molecules, each of them carrying an old strand and a new strand.

<h3>What is the eukaryotic DNA replication process?</h3>

Eukaryotic DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The main difference concerning the prokaryotic replication process is that in eukaryotic cells there are

  • 5 different polymerase enzymes
  • several replication origins per chromosome
  • involves histones

The origin of the replication requires

  • The helicase enzyme breaks hydrogen bonds and separates the two original strands.
  • The topoisomerase enzyme is necessary to release tension.
  • Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks.

  • DNA polymerase makes the new nucleotides enter the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs thymine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3'direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment. These are later eliminated by Polymerase.

Ligase seals the gaps.

<u>Complete sentenses</u>

Before a cell divides, its DNA must be replicated without errors so that the genetic codes for proteins are expressed properly. In<u> </u><u>eukaryotic</u><u> </u>cells, which have linear chromosomes, replication occurs in<u> </u><u> multiple  </u>locations and ends when all the chromosomes are copied. In prokaryotic cells, which have<u>  </u><u>circular  </u>DNA, replication starts in only a single location and proceeds until the entire chromosome is copied.

You can learn more about replication process in prokaryotic and eukaryotic cells at

brainly.com/question/21675925

brainly.com/question/12250616

brainly.com/question/13762319

brainly.com/question/13064177

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