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Ivanshal [37]
3 years ago
10

Select all that apply.

Biology
1 answer:
vaieri [72.5K]3 years ago
4 0
Double displacement reactions occur if ONE of the products is water, a gas or solid.
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What is the role of RNA polymerase?
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I think the answer MIGHT be D. RNA synthesis is carried out by proteins known as RNA polymerases that transcribe the genetic information from DNA in a highly-regulated, multi-stage process. But transcribe and translate are different so I'm not a 100% sure. Hope this helps!
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Genetic variation can be increased by???
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Explanation:

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4. Which of the following are examples of matter?
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Answer:

D, C, F, E, A, B, G, H

Explanation:

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2 years ago
Turgor pressure is the pressure exerted on a plant cell wall by water. When wilted plants are placed in water, they demonstrate
Rus_ich [418]

Answer: When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

Explanation:

Turgor is a phenomenon in plant cells in which the cell expands due to the pressure exerted by the fluids and also by the cell content on the walls. It is related to osmosis, since the external pressure is usually very high and this internal pressure dilates the cell as much as the elasticity of the membranes allows. <u>Then, the cells swell by absorbing water, tensing the membranes because of the pressure against them.</u> When the fluid exerts outward pressure on the cell wall it is called turgor pressure.  Whereas, the inward pressure exerted on the cell contents by the stretched cell wall is called wall pressure. Generally, both pressures, turgor pressure and wall pressure, are counterbalanced and balanced.

So, this pressure of turgor facilitates the elongation of the cells in the plant, and also, the cells use this phenomenon to regulate the transpiration through the opening and closing of the stomach.

Thereby, the turgor of a living cell is influenced by three primary factors:

  • An adequate supply of water.
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  • A semi-permeable membrane.

Vacuoles are organelles bounded by a single membrane and present in plant and fungal cells, and where water is stored. Plant cells control their turgor pressure through the movement of water into or out of vacuoles. When wilted plants are given water, it enters the cell generating turgor and giving a firmer appearance, and this water is stored in the vacuoles.

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What's the difference between a plant cell, like in a Christmas tree, and an animal cell, like in Santa Claus?
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A medida que se desarrollan más técnicas en Biología Celular, conocemos más acerca de los grandes misterios y secretos que encierran las células. Conocer las células vegetales y animales es muy importante para entender el funcionamiento de los seres vivos, entender las enfermedades que sufren, desarrollar técnicas terapéuticas contra estas enfermedades u obtener productos de interés comercial.

En este artículo de Ecología Verde te las explicamos de forma fácil y con esquemas y tablas que ayudan a entenderlo mejor ya estudiar.

Explanation:

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