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Karolina [17]
3 years ago
15

Which DNA-containing central cell structure found in plant and animal cells is absent in bacterial cells?

Biology
1 answer:
Gwar [14]3 years ago
3 0
I believe the answer is the NUCLEUS
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How do the structure of adenine and
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Adenine forms two hydrogen bonds with thymine in DNA while three hydrogen bonds are formed between guanine and cytosine.

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Ok. so first, the answer is c. then a. then c again. then b. then finally, d. hope this helps!
4 0
3 years ago
Form a hypothesis about how the loss of estuaries can increase erosion along shorelines<br>​
lakkis [162]

Answer:

The hypothesis can be made as follows:

' If there are less or no estuaries in a river, then there will be more erosion at the shorelines.'

A hypothesis is a tentative statement which can either be supported through experiments or proven to be wrong.

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3 0
3 years ago
Porque un grupo de celulas pequeñas ayudarian a un organismo a mantener la homeostasis mejor que una celula grande?
NeX [460]

Answer:  

Una parte fundamental de la homeostasis es la transferencia y la ingesta de moléculas (sea necesario o no). Es importante que la célula pueda llevar los nutrientes necesarios inmediatamente donde los necesita y poder deshacerse de los subproductos dañinos del proceso celular. Es igualmente importante poder regular la concentración de agua. Las células más pequeñas tienen una superficie más grande en relación con su volumen (su superficie se escala con R ^ 2 mientras que su volumen con R ^ 3 donde R es el radio de una célula) y, por lo tanto, los intercambios a lo largo de la membrana celular se ven favorecidos en comparación con las células más grandes que necesitan muchos intercambios pero tienen proporcionalmente menos área de membranas. Si bien A no es necesariamente cierto, C es definitivamente cierto y, por lo tanto, la respuesta correcta.

5 0
3 years ago
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