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2 years ago

1. What do you mean by stem cells?

Biology

1 answer:

anyanavicka [17]2 years ago

4 0

Answer:

brainliest plzzzzzzzzzzzzzzzzzz

Explanation:

1.Stem cells are special human cells that are able to develop into many different cell types. This can range from muscle cells to brain cells

2. Gene therapy is designed to introduce genetic material into cells to compensate for abnormal genes or to make a beneficial protein. If a mutated gene causes a necessary protein to be faulty or missing, gene therapy may be able to introduce a normal copy of the gene to restore the function of the protein.

3.Gene therapy does have risks and limitations. The viruses and other agents used to deliver the "good" genes can affect more than the cells for which they're intended. If a gene is added to DNA, it could be put in the wrong place, which could potentially cause cancer or other damage.

4.Clinical trials of gene therapy in people have shown some success in treating certain diseases, such as: Severe combined immune deficiency. Hemophilia. Blindness caused by retinitis pigmentosa.

5. Few Examples Are:

Engineered Natural Killer Cells against Hodgkin's Lymphoma.

Pectic Acid-based Corning Dissolvable Microcarriers for Cell Therapies.
Development of Cell Expansion Systems for Gene-edited Blood and Immune Cells.
Microsoft's AI Tool for Fine Tuning CRISPR.

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What is a signal molocule

Annette [7]

Answer:

signal molecule is a general term for molecules also called (ligands)that bind specifically to other molecules (such as receptors). hope it helps!!

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2 years ago

A 16 year old highschool student presents in the ER with a fever, stiff neck, headache and nausea. You order a spinal tap to be

Natasha2012 [34]

Answer:

Pseudomonas aeruginosa, Serratia marsescens, Klebsiella pneumoniae or Escherichia coli

Explanation:

Meningitis is the inflamation of the meninges (membranes that cover the brain and spinal cord) due to the infection of the fluid around it. Some of the symptoms are fever, sleepiness, nausea and vomiting, stiff nech and seizures.

Meningitis can be caused by Gram negative bacterie such as H. influenzae., Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa or Serratia marsescens. From these options only Pseudomonas aeruginosa, Serratia marsescens, Klebsiella pneumoniae and Escherichia coli are rod-shaped gram negatives.

I hope you find this information useful and interesting! Good luck!

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2 years ago

3. What is the acceleration due to gravity on Earth?—Answer must include number and its unit (This is a constant number used in

pychu [463]

9.8 meters per second squared

This is the rate of acceleration of gravity on earth.

7 0

3 years ago

You dilute an unknown sample of bacteria to 1 x 10-6 and plate out 10 onto a Petri dish. The next day you count 64 colonies. The

Sveta_85 [38]

Answer:

Explanation:

The correct answer would be 6.4 x $10^6$ cells/ul.

For 1 x 10-6 dilution, the plating factor is $10^6$ . To find the number of bacteria in the original sample, the plating factor is multiplied by the colony count per ul.

Number of viable bacteria = plating factor x colony count/ul

Since 10 ul gives 64 colonies. 1 ul will give:

64/10 = 6.4 colonies.

Therefore, the viable bacteria in the original sample = 6.4 x $10^6$ cells/ul

The correct option is b.

3 0

2 years ago

Monomers have monomers. Fill in the blanks

erik [133]

Answer:

what there's nothing there

Explanation:

8 0

3 years ago