BIOLOGY MIDDLE SCHOOL

Why is an energy required for the passenger molecule to be carried across the cell membrane by the carrier molecule

Answers

Answer 1
Answer: because energy is so powerful that it just carries along with it.

hope that helped.

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Which pair of structures would provide a positive identification of a plant cell under a microscope?ribosomes, chloroplasts


cell wall, mitochondria


plasma membrane, large central vacuole


cell wall, chloroplast
HELP ITS OVERDUE

Answers

Answer:

Cell wall, chloroplasts

Explanation:

Only plant cells have a cell wall and chloroplasts. Animal cells have cell embrane instead of a cell wall, and the chloroplasts are responsible for photosynthesis which only occurs in plants.
Cell wall I’m not sure :)

What is an object that helps explain ideas about the natural world

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An object that helps explain ideas about the natural world are called models.

5. Why does Earth have diverse life?

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Answer:

The relationship that the organisms have with their environment over a long period of time resulting in divers life on Earth. As the environment change, such as increase in the earth's temperature, organisms adapt, while others go extinct. The animals that adapt phenotypically change as time goes by resulting in different species within a group.

Explanation:

Answer:

Earth supports life because it is the correct distance from the sun

Explanation:

Earth supports life because it is the correct distance from the sun, its composition is rock, it has a molten core, it gains protection from its atmosphere and it has water. There are approximately 500 planets in the Milky Way capable of supporting life.

water storage is an important part of the water cycle and our daily lives where do you observe water storage

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A pond or a ditch that is deep,like in the woods and you can see the water being stored in the mud and grass.

Can fungi be a carnivore

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no because they are dead and only flesh eating animals are carnivore

All living things are made of two or more cells

Answers

yes, either single cell or multi-cell organisms.
False,because eggs and spores are single celled organisms
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Which of the following organelles have a transport function?A. ribosome and Golgi apparatus B. endoplasmic reticulum and Golgi apparatus C. endoplasmic reticulum and mitochondrion D. ribosome and mitochondrion