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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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The most complex level of organizational hierarchy in the Arctic National Wildlife Refuge that is preserved is?

lawyer [7]

This reserve is home to terrestrial and marine mammals, including grizzly and polar bears, caribou, wolves, and wolverine as well as beluga and bowhead whales, walrus, and several species of seals. It was established for the purpose of preserving unique wildlife, wilderness, and recreational values.

The most complex level of organizational hierarchy in the Arctic National Wildlife Refuge that is preserved is every ecosystem in the area.

I hope it helps, Regards.

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3 years ago

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When you touch an object that is very hot you quickly pull your hand back.

steposvetlana [31]

Answer:

this is called reflect action

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3 years ago

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The ribosome of the bacterium E. coli includes the ribosomal protein L4 (rpl4). The rpl4 gene carries the instructions for makin

Mandarinka [93]

Answer:

Every organism possesses in its ribosome a protein that is similar to rpl4. This protein has an amino acid sequence that is similar to the sequence of E. coli’s rpl4.

Explanation:

Phylogenetic tree is a diagram which represents the similarities between different organisms and shows their evolutionary histories.

The presence of a similar genetic sequence or amino acid sequence shows that the gene is common in all those organisms. This means that all organisms had a common ancestor through which the gene or amino acid was transferred. The genetic r amino acid sequence remained common in all the different organisms.

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3 years ago

We refer to the Dna code as being redundant or repetitive. This means that

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I think but I do not know it refered to as being repetitive

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Describe 2 homologies (structures that were shared from a common ancestor) between the Zeuglodon and the Orca.

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Answer:

Homologous structures can be described structures which originate in different organisms from a common ancestor and may or may not have the same functions.

Zeuglodons can be described as ancient whales and Orca is a common whale today known as the killer whale.

Scientific studies show that Zeuglodans and Orca have many structures in common such as:

Having teeth with two roots
The presence of nostrils
Pelvis and internal femur bones

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3 years ago