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3 years ago

Help please, 20 points.

Biology

1 answer:

vivado [14]3 years ago

4 0

Answer:

B. we continue to grow new neurons, but we grow fewer new neurons than when we are young.

Explanation:

Scientists have now discovered that you can grow new brain cells throughout your entire life. The process is called neurogenesis. Specifically, new brain cells–which are called neurons.

Hope this helps.

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A plant survives in a tropical rain forest. When placed in a temperate forest, it

svet-max [94.6K]

Answer:

A. The plant needs very stable weather.

Explanation:

A plant survives in a tropical rain forest. When placed in a temperate forest, it dies within a year. The most likely characteristic of this plant is it needs very stable weather.

7 0

3 years ago

Read 2 more answers

What's the structural adaptation of a muscle cell<br> (1 example is fine)

My name is Ann [436]

Answer:

They contain protein fibres that can contract when energy is available, making the cells shorter.

4 0

3 years ago

Fill in the blank. Will give brainliest!

rusak2 [61]

Answer:

Plants, glucose, ATP

Explanation:

In cellular respiration, Plants use glucose to make ATP. Bascially they breakdown the sugar to harvest ATP from it.

Here's the representation:

Disclaimer: The cells in both plants and animals perform respiration. Therefore, best answer is "Aerobic organism" for first blank but if your teacher has not been that specific then people usually learn about plants when talking about respiration.

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3 years ago

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The membrane has open K channels, and changing extracellular K concentration results in a change in membrane potential. Changing

MrRissso [65]

Answer: Closed

Explanation:

At resting membrane potential( RMP) sodium channels remained shut, this is because , previously in depolarisation,the voltage gated sodium channels were opened for sodium to diffuse into the Axon. However these channels closed after reaching their refractory period,s.

Therefore a change in the extracellular concentration of sodium will not open them

3 0

3 years ago

Two students are investigating the relationship between net force and acceleration on an object. They tie a string to a 1-kg blo

inysia [295]

The correct answer is actually A) The block would have friction and a dynamic cart could be used.

I have a screenshot attached.

Hope that helps!

Good luck! :)

5 0

3 years ago