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prisoha [69]
3 years ago
9

The majority of an individual's daily kilocalories should come from

Biology
1 answer:
juin [17]3 years ago
7 0
Carbohydrates

Carbohydrates are a type of nutrient are found in many foods including: fruits, vegetables, cereals, grains and sweets. Carbohydrates serve as a fuel, providing us with energy and playing a role in brain and organ functioning. Carbohydrates also provide fiber, that is important for excretory functions. There are many types of carbohydrates that have different effects on the body, such as: simple carbohydrates, complex carbohydrates, sucrose, fructose, lactose, etc. 
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¿Qué efecto tiene para las cadenas tróficas la tala y deforestación de los organismos productores?
Morgarella [4.7K]

Answer:

tiene un efecto devastador sobre las cadena tróficas de ecosistemas terrestres

Explanation:

En una cadena trófica, los organismos productores, también conocidos como autótrofos, son aquellos capaces de convertir la energía proveniente del Sol (organismos fotosintéticos) o de la oxidaxión de compuestos inorgánicos (organismos quimiosintéticos) en nutrientes a través de la formación de enlaces de carbono que componen moléculas orgánicas tales como, por ejemplo, carbohidratos (es decir, celulosa, azúcar, etc). Por ejemplo, los árboles son organismos productores que usan la fotosíntesis para convertir la energía lumínica solar en energía química la cual es utlilizada por consumidores primarios (hervívoros) de la cadena trófica. Los árboles son organismos productores los cuales juegan un papel clave en ecosistemas terrestres, representando la principal fuente de alimento y nutrientes para diferentes consumidores primarios. Además, estos organismos autótrofos son también fundamentales porque generan oxígeno (O2) y capturan el dióxido de carbono (CO2) de la atmósfera, lo cual es un proceso clave para el sostenimiento de la vida en la tierra.

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3 years ago
In cells, some molecules can move down their concentration gradients by crossing the phospholipid portion of the membrane direct
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Answer:

In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.

Explanation:

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2 years ago
In cell division, what must happen to the cell in interphase to allow it to continue to prophase?
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3 years ago
A prokaryotic cell's hereditary information is contained within the nuclear membrane. True False
blsea [12.9K]

Answer:

1. True

2. False

3. True

4. false

5. false

Explanation:

.

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3 years ago
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