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Vedmedyk [2.9K]
2 years ago
12

What best describes a major difference between plant cells and animal cells?

Biology
1 answer:
snow_lady [41]2 years ago
4 0
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
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In the aquatic food chain diagram, which organisms have the largest amount of biomass and
antoniya [11.8K]

Answer:

Which organisms have the greatest amount of stored energy in the food web?

(1) The producer organisms contain the least amount of stored energy. (2) Stored energy decreases from consumer 2 to consumer 3. (3) Consumer 3 contains the greatest amount of stored energy.

Which ecosystem has the greatest amount of energy overall?

Because plants and animals die at all points in food chains, decomposers are found at all trophic levels in ecosystems. Ecologists use ecological pyramids to describe the energy flow among the trophic levels. The area at the bottom of the pyramid of energy represents the greatest amount of energy in an ecosystem.

What organism gets the least amount of energy?

It follows that the carnivores (secondary consumers) that feed on herbivores and detritivores and those that eat other carnivores (tertiary consumers) have the lowest amount of energy available to them.

Explanation:

8 0
2 years ago
Before it can be utilized nitrogen must be converted into some other form through two processes, identify and explain these two
Mrac [35]

Answer:

The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification.

4 0
2 years ago
- ¿Qué ruta sigue cada uno DE LOS TRIGLICERIDOS en su afán de obtener energía?… ¡sí, energía llamada ATP! - Ruta metabólica que
Fed [463]

Answer:

Los trigliceridos antes de ser disociados en moleculas energeticas necesitan ser absorvidos.

Para eso es importante aclarar que se absorbe nen elintestino en forma de quilomicron, por su caracteristica hidrofuga y son emulsionados por el jugo pancreatico y los jugos provenientes de la vesicula.

Una vez absorbido, este puede seguir diferentes rutas metabolicas de un cuerdo a la necesidad energetica de la persona.

En el caso que una persona obtiene energía de un acido graso o de su reserva adiposa es por que no hay mas reserva de glucogeno, es decir en ayunos prolongados, en personas con dificultad de asimulacion glucosidica como los diabeticos, personas con trastornos anorexicos recientes.

Explanation:

Las grasas contienen una gran aporte de ATP posterior a la adicion de CO2 y H20, en los procesos de beta oxidacion y el ciclo del acido citrico.

El metabolismo de estos se considera toxico en momentos prolongados ya que el  producto de su metabolizacion son los cuerpos cetonicos. Los cuerpos cetonicos aumentan la cetoacidosis de la sangre y atraviezan la barrera hematoencefalica.

El ph por la cetoacidosis disminuye generando toxicidad tisular y del snc, hiperventilacion, hipercapnia, cansancio, aliento cetonico, fallo proteico de algunos complejos enzimaticos de nuestro organismo.

Ademas esimportante aclarar que el ser humano obtiene carbohidratos del glicerol y no de la porcion de acidos grasos.

7 0
2 years ago
The diagram represents the Moon and its orbit around Earth. The arrow labeled X represents the force that keeps the Moon in its
Gwar [14]

Answer:

A. Gravity

Explanation:

The strong gravity, or "Pull" of the Earth is what keeps the moon in orbit.

I hope this helps!

8 0
2 years ago
As the hypothesis of sea-floor spreading predicts, the age of the ocean floor differs with location. What pattern does the ocean
Jobisdone [24]
Https://quizlet.com/50186971/geo105h-exam-1-flash-cards/

8 0
3 years ago
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