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kakasveta [241]
3 years ago
12

Which two structures are not found in animal cells?

Physics
1 answer:
Alinara [238K]3 years ago
7 0

Answer:

C

Explanation:

So, lets start off by thinking about what we know is in both cells, and rule out from there.

There are just some basic things you need in eukaryotic cells, those include the following:

  • Nucleus
  • cell membrane
  • mitochondria
  • cytoplasm(dont get confused with chloroplast)
  • Rough and smooth endoplasmic reticulum
  • Golgi vescile
  • Golci apparatus
  • Nucleolus(Dont get confused with nulceus)

Here are jsut a few examples of what can be found in both plant and animal cells, however we can already rule out all of the following except for:

C

Because remember, c talks about the chlorplast, which is not the chlorplasm found in both plant anf animal cells, its just the chloroplast found in plant cells.

Although I gave the asnwer to you. Here are some things that are in plant cells that arent in animal cells:

  • Cell wall
  • vacioles
  • central vaciole
  • chlroplast
  • plastids

Animal cells on the other hand, have a few things that plant cells do not as well:

  • Lysome
  • Centrolsome

Hope this helps! ;)

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A football is thrown due north across a 40 meter river and it takes 2 seconds to cover that distance.
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Answer:

I. Speed = 20m/s

II. Velocity = 20m/s due North.

Explanation:

<u>Given the following data;</u>

Distance = 40m

Time = 2secs

To find the speed;

Mathematically, speed is given by the formula;

Speed = \frac{distance}{time}

Substituting into the equation, we have;

Speed = \frac{40}{2}

<em>Speed = 20m/s.</em>

In physics, we use the same formula for calculating speed and velocity. The only difference is that speed is a scalar quantity and as such has magnitude but no direction while velocity is a vector quantity and as such it has both magnitude and direction.

Velocity = \frac{distance}{time}

<em>Therefore, the velocity is 20m/s due North</em>.

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Answer:

715 N

Explanation:

Since the system is moving at a constant velocity, the net force must be 0. The tension on the road is equal and opposite direction with the kinetic friction force created by the road and the stuntman.

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