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3 years ago

Name at least two limitations of using models in science.

2 answers:

6 0

Models may be oversimplified, leading to misunderstanding about the subject. Sometimes models cannot represent all aspects of an object or system. Finally, models are only as accurate as current scientific knowledge.

Ilya [14]3 years ago

3 0

Models are very helpful, but they also have limitations.Details - Models cannot include all the details of the objects that they represent. For example, maps cannot include all the details of the features of the earth such as mountains, valleys, etc.Approximations - Most models include some approximations as a convenient way to describe something that happens in nature. These approximations are not exact, so predictions based on them tend to be a little bit different from what you actually observe. Models do not behave exactly like the things they represent.Accuracy - In order to make models simplistic enough to communicate ideas, some accuracy is lost. For example, ball and stick models of atoms do not show all the details that scientists know about the structure of the atom.

Hope that helped! :)

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Select all the advantages of a multienzyme complex over a metabolic pathway

Kazeer [188]

Answer:

Option A, B, C

Explanation:

The major advantages of multienzyme complex over a metabolic pathway is that it do not require individual pathway for each enzyme activation or inhibition. Instead it responds efficiently to the equilibrium changes of substrate supply and demand as compared to that of enzymes.

It tightly regulates the processes and is also faster than that of the metabolic pathway.

Hence, option A, B and C are correct

8 0

3 years ago

Linnaeus lived hundreds of years before scientists discovered DNA, genes, and the roles of DNA and genes in determining the trai

erma4kov [3.2K]

D. The discoveries confirmed many but not all of the classifications that were based on observable traits, and scientists revised classifications when necessary.

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4 years ago

Which of the following statements is true about the three processes that can occur

Ivan

Answer:

b) The solar radiation can be absorbed by clouds and the atmosphere

Explanation:

The clouds consist of water vapour and the atmosphere consists of mixture of ai for example the carbon dioxide and methane. The water vapour and these two gases can all absorb sunlight. Reason for this is that the bonding pairs of electrons come from different atoms in the molecule and the bonds are distorted. Symmetrical molecules but with distorted bonds or bond electron pairs.

Thank you.

3 0

3 years ago

Read 2 more answers

Janelle was telling her mom about a dream where she was being chased by wolves. She said she ran and ran and when she woke up, h

Lesechka [4]

Answer:

The thyroid.

Explanation:

This controls your adrenaline.

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3 years ago

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A student makes a claim that a cell is undergoing the process of transcription what evidence would be present to support this cl

MaRussiya [10]

Question: A student makes a claim that a cell is undergoing the process of transcription. What evidence would be present to support this claim?

A) tRNA with anticondos is carrying amino acids to the ribosomes.

B) DNA polymerase is using both strands of DNA to produce multiple RNA molecules.

C) Ribosomes are reading mRNA molecules three nucleotide at a time to synthesis proteins

D) RNA polymerase is using a single strand of the DNA molecule as a template for mRNA production

Answer:

The evidence that the student have to produce as an evidence is the "RNA polymerase using the single strand of the DNA molecule as a template for mRNA production."

Explanation:

We know, that in transcription the genetic information from the DNA is copied into RNA for production of the proteins. According to various research methods, to know whether the cell is going through the transcription, a student can use the bacteriophage coat protein, which must have labelled with the fluorescent protein for studying it under microscope. After, this has been done, in the right location stem loop present, the RNA will be seen initiating of the elongation step, hence the transcription site will be more visible when the coat protein binds to the new RNA, which has happened in the transcription site. We can know see the transcription as fluorescent which will help the student to determine the process of transcription in the cell. Presence of promoters are important to demonstrate the process.

8 0

4 years ago