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olya-2409 [2.1K]
2 years ago
8

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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Identify a dependent variable measured in the researcher’s experiment. Identify one control that the researcher could use to imp
velikii [3]

Answer:

(a).concentrated lactic acid and that of NAD+.

(b).use of the response of NAD+ and lactic acid in absence of vitamin treatment as the CONTROL.

Explanation:

To understand this question and be able to solve this question efficiently we have to understand the concept of "respiration''. But, the short and the most simple answer to the question above can be found in the first statement of the question.

The electron transport chain include the cycle that occurs during glycolysis, fermentation and the transformation of NAD+ to form NADH and vice versa.

In the research, the dependent variable is the concentrated lactic acid and that of NAD+.

In order to increase the validity of the experiment, the Researcher can make use of the response of NAD+ and lactic acid in absence of vitamin treatment as the CONTROL.

5 0
2 years ago
Which statement correctly identifies one advantage and one disadvantage of relying on trains for
maksim [4K]

Answer:

The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.

Explanation:

Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.

Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.

8 0
3 years ago
What happens to the organisms with the most favorable traits
LenaWriter [7]
Organisms with the most favourable traits will increase their success rate in a particular environment. Organisms with favorable traits are more likely to reproduce and pass on their traits than organisms without favorable traits, allowing it to survive.
3 0
3 years ago
Read 2 more answers
Pain-sensitive neurons (called nociceptors) conduct action potentials from the skin or teeth to sites in the brain involved in p
marusya05 [52]

Answer:

In the gums

Explanation:

Lidocaine is a compound which can be used as a local anaesthetic. This anaesthesia works by blocking the voltage-gated channels which allows the influx of the sodium ions. As the sodium ions do not enter therefore an action potential is not generated in the axons as a result of which no pain is felt in the area.

In the given since the lidocaine is used by the dentist therefore the dentist in order to treat some dental problem must inject the lidocaine in the gums where the sensory receptors of the teeth are present.

Thus, in the gums is the correct answer.

8 0
3 years ago
The higher up the food chain humans eat, the greater levels of toxic metals they take in. true false
MArishka [77]

the answer would be true because you eat more toxins the higher you go

6 0
2 years ago
Read 2 more answers
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