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Elina [12.6K]
3 years ago
8

What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter?

Biology
1 answer:
MissTica3 years ago
6 0

Answer:

The blood brain barrier blocks chemicals from entering brain tissue.

Explanation:

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If the driver had only consumed the 2 beers as he claimed, he would show little to no signs intoxication. He would be slightly frightened for being pulled from over but he would not be overly relaxed such as being overly friendly with the police officer.
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Which of the following statements is correct?
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RNA contains the genetic code
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Alexandra is researching the effects plate tectonics have on the shape of Earth. Which of the following is a result of plate tec
zloy xaker [14]

D)Heat within Earth

Explanation:

The heat from within the earth is as a result of plate tectonics. Plates on the earth are driven by heat within the earth through convection currents.

  • Plate tectonics suggests that the earth are broken into slabs that moves on the weak and ductile material called asthenosphere.
  • Heat from within the earth causes the melting of asthenosphere.
  • The riding lithosphere which is cold will sink into the asthenoshpere.
  • Hot mantle materials will move to the surface thereby setting up a convection current.
  • Heat from within the earth rises to the surface due to plate movement.

Learn more:

Lithosphere brainly.com/question/9582362

#learnwithBrainly

8 0
3 years ago
Which of the following best explains why enzymes are necessary for many cellular reactions?
kow [346]

Answer:

C. The reactions take up too much space in the cell if the enzymes are missing.

Explanation:

6 0
3 years ago
Qué sucede con el agua en la respiración celular??​
Katarina [22]

Se produce en la mitocondria. La respiración celular, como componente del metabolismo, es un proceso catabólico, en el cual la energía contenida en los sustratos usados como combustible es liberada de manera controlada.

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