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Vinil7 [7]
3 years ago
5

Chromosomes are made of what wrapped around proteins

Biology
1 answer:
Marianna [84]3 years ago
7 0

Answer:

deoxyribonuclei acid ,DNA

Explanation:

the chromosome is wrapped around the DNA

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i hate getting questions like these

Explanation:

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Nathaniel is visiting his city's plant conservatory, which is a giant old greenhouse. He notices that there is condensation on t
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The most common reason for the condensation on the inside of the roof is the evapotranspiration from the leaves of the plants in the conservatory.

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You decide to repeat the Meselson-Stahl experiment, except this time you plan to grow the cells on light 14N medium for many gen
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Answer:

One band of light density and one band of heavy density.

Explanation:

According to conservative model of replication, the original strands do not separate from each other during replication. Hence, after replication the old strands are together and the new strands are together.

Here, cells were grown in 14N medium first so 14N was used for DNA replication and all DNA molecules had 14N. When the cells were transferred to 15N medium, only 15N was available for replication process. New DNA molecules would be synthesised using 15N (15N15N) and old DNA molecules have 14N (14N14N). Hence, in density gradient one band will be of light density (14N14N) and one band will be of heavy density (15N15N).

5 0
2 years ago
In 1990, scientists at the National Institutes of Health used gene therapy to try to treat a 4-year-old girl suffering from seve
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<u>Answer:</u>

<em>B. Many genetic diseases would be curable. </em>

<u>Explanation:</u>

Gene therapy is intended to acquaint hereditary material into cells in order to compensate for faulty or mutated genes or to make a helpful protein. On the off chance that a faulty gene makes a beneficial protein be flawed or missing, gene therapy might have the option to present a typical duplicate of the gene to reestablish the function of the protein.  

A gene that is embedded straightforwardly into a cell as a rule doesn't work. Rather, a bearer or carrier called as a vector is hereditary built to insert the desired gene.

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3 years ago
Would a muscle cell be able to produce a functional contraction if it lacked t-tubules?
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2 years ago
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