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Degger [83]
3 years ago
8

En el 1953 el nuevo modelo postulado por Watson y Crick sobre la estructura del ADN explica la misma como forma de doble hélice

con cadenas que corren en direcciones opuestas. Estas aportaciones siguieron que

Biology
1 answer:
finlep [7]3 years ago
5 0

Answer: A Puede ser posible un mecanismo de copia de material genético

Explanation:

El material genético, permite ser replicado, mediante la secuencia de doble cadena con el apareamiento de las bases con ayuda de la enzima telomerasa

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In your own words, what is the definition for Chitin?<br><br> what purpose does chitin serve?
lidiya [134]

Answer:

Chitin is a fibrous material made up of polysaccharides that is found in the exoskeletons of arthropods and the cell walls of fungus. Chitin is an important biopolymer found in nature. Fungi, arthropods, and nematodes are the principal producers. In insects, it acts as a scaffold, supporting the epidermis and trachea cuticles, as well as the peritrophic matrices that line the gut epithelium.

Explanation:

Hope this helps!

Please mark me as Brainlinieast.

8 0
3 years ago
Please help I am so far behind Omar is researching and taking notes to write a biography about George Washington Carver. What ca
Oksi-84 [34.3K]
It’s C. recording it as he goes can help make the process go faster
3 0
2 years ago
_______ bonds form when water is removed to hold
Zigmanuir [339]

Answer:

peptide bond OR dehyrdration synthesis (this is mainly for bonding monomers to polymers..so its peptide bond)

Explanation:

7 0
3 years ago
Read 2 more answers
When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mec
djverab [1.8K]

Answer:

Autoregulation

Explanation:

When the activities of a cell, tissue, organ, or system change automatically due to environmental variation, the homeostatic mechanism that operates is called autoregulation.

Autoregulation is a method of controlling the local blood circulation. It is characterized as an organ's inherent capacity to sustain a standard blood flow, given changes in the pressure of the perfusion.

7 0
3 years ago
b. In 1979, the estimated elephant population was 1.3 million and in 2007 it was 640,000. By approximately what percentage did t
saveliy_v [14]

Answer:

The initial amount, 1.3 million = 1,300,000 is the 100%.

now, 640,000 is a given percentage (lower than 100%) of that.

How we can find it?

suppose that 640,000 represents an x%.

Then we have that the quotient between the actual quantities and the percentages must be the same

(640,000/1,300,000) = x%/100%

x% = (640,000/1,300,000)*100% = 49.23%

Then the percentage declined is:

100% - 49.23% = 50.77%

The other question can not be answered with the given information.

4 0
3 years ago
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