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svetoff [14.1K]
3 years ago
7

Where was Columbus looking for a short route to?

Biology
1 answer:
lisabon 2012 [21]3 years ago
3 0
The Indies by sailing west across the Atlantic Ocean.
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How the disease Diabetes challenges our body’s ability to maintain homeostasis.
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Answer:

diabetes is bad diseases that causes you to eat less sugar

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3 years ago
Which cellular process takes place in the ribosome that are bound to the endoplasmic reticulum
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Actually no cellular process takes place IN the ribosomes. 
<span>But proteins are made ON the ribosomes. </span>

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3 years ago
Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velo
vlada-n [284]

Answer :

(a) The angular speed of this bacterial motor is 1.6\times 10^3s^{-1}

(b) The time taken by the motor to make one revolution is 3.9\times 10^{-3}s

Explanation :

(a) To determine the angular speed of this bacterial motor.

Angular speed : It is defined as the rate at which an object changes its angle.

Formula used :

\omega=\frac{v}{r}

where,

\omega = angular speed

v = tangential speed = 2.1\times 10^{-5}m/s

r = radius = 1.3\times 10^{-8}m

Now put all the given values in the above formula, we get:

\omega=\frac{2.1\times 10^{-5}m/s}{1.3\times 10^{-8}m}

\omega=1.6\times 10^3s^{-1}

Thus, the angular speed of this bacterial motor is 1.6\times 10^3s^{-1}

(b) to determine the time taken by the motor to make one revolution.

Formula used :

T=\frac{2\pi}{\omega}

where,

T = time

Now put all the given values in this formula, we get:

T=\frac{2\times 3.14}{1.6\times 10^3s^{-1}}

T=3.9\times 10^{-3}s

Thus, the time taken by the motor to make one revolution is 3.9\times 10^{-3}s

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What dose a nucleus do
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It contains a majority of the cells genetic material

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3 years ago
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