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rodikova [14]
3 years ago
10

30 POINTS HELP ASAP! WRITE IN YOUR OWN WORDS!!! I WILL MARK BRAINLIEST HELP PLEASE ITS DUE TODAY AND I REALLY NEED TO GET IT DON

E THANK YOU!
Write a paragraph of at least three sentences about stem cells. The paragraph should include what stem cells are, the controversy around them, and your opinion about using them for research.
Biology
1 answer:
Elis [28]3 years ago
7 0

Answer:

Stem cells are cells in the human body that have the ability to develop into many other body cell types. Stem cells are very useful for drug development, research, they aren't likely to be rejected in transplants, and are used to repair damaged or diseased cells and tissues. However, they cannot be grown for long periods of time, there are very small numbers in each tissue and cell making them very hard to find, and for certain studies they have been shown to cause cancer. To be honest, using them in research does have its pros and cons, they are very useful and easier to use in research, plus they can help repair damaged and diseased cell tissues. But at the same time they can be difficult to use correctly and properly, it can cause serious health problems if cancer doesn't take place. I think that using them in research is okay, as long as they are used correctly and properly.

Hope this helps! :)

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What would the most accurate model for the theory of evolution look like?
Vesna [10]

Answer:

Comparing DNA

Explanation:

Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.

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This picture shows the weather station model at a location.
Westkost [7]

Answer:

thunderstorm

Explanation:

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Which type of cells form new cells with specialized functions?
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C. nerve cells.............................

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We covered transcription and translation in our lab this week. Below, you'll find several steps required for protein synthesis.
AlladinOne [14]

Answer:

The correct answer is :

  • The 2 strands of DNA separate
  • mRNA is built based on the DNA template
  • mRNA leaves the nucleus
  • tRNA brings an amino acid into the P site.
  • tRNA brings an amino acid into the A site.
  • tRNA leaves the P site and a peptide bond is formed between the amino acids.
  • The mRNA+attached tRNA shifts, moving the 6-tRNA from A site to the P site.
  • The entire mRNA strand is translated into amino acids and a polypeptide is formed.

Explanation:

Protein synthesis is a process that is made up of two distinct processes namely transcription and translation.

Transcription: this process include several steps where the segment of DNA which has information, copied into the new molecule called mRNA which acts as the template as it has information copied from the DNA to produce gene expression.

Translation: is the process includes several steps in which a peptide chain is formed from the mRNA with the help of tRNA and ribosomes.

The correct order of steps is given under the answer heading.

8 0
3 years ago
Amino acids are used to build <br> .
antoniya [11.8K]

Just like a Lego house is made of bricks, proteins are made up of lots of tiny building blocks. These building blocks are called amino acids. To build a protein, first the amino acids are connected into long chains.

Sorry if this doesn't help or if its wrong.

Credit: Google Search

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