<u>Answer:</u>
<em>8.4 ml of water is needed to make a 10 ml of a 2x concentration.</em>
<u>Explanation:</u>
<em>From question,</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>
</em>
<em>This gives 
</em>
<em>V1 is the available volume of water in the stock solution. </em>
To obtain 10ml of 2x concentration, the volume of water required is: 
of water.
<em>Hence 8.4 ml of water is needed to make a 10 ml of a 2x concentration.</em>
The Answer:
Choice C: mRNAs that are expressed from a specific gene.
Answer: Increase the depth of ventilation.
In high altitude, the oxygen pressure will be much lower that makes the gas exchange rate is lower and decrease the oxygen delivery to <span>the tissue.</span> To counter this, the mouse will increase its depth of ventilation so there is more air inside the lungs for every inspiration.
Answer:
bacteria
Explanation:
In the most extreme environments on the planet, such as the surroundings of a volcano, we imagine an extremely hot and toxic place, a desolate place that is not conducive to life. In salt deserts the same image is repeated. However, this first impression may lead us to mistake, these environments have been shown to be rich in life, populated by organisms called extremophiles, which is a group composed of bacteria.
