Organic molecules is converted to ATP molecules. Explanation; -Cellular respiration is the process that takes place in the mitochondria inside a cell.
Answer:
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<span>The jaw-thrust maneuver is used to open the airway of patients with suspected cervical spine injuries.
In cervical spine injuries, a person may not be able to breathe on his or her own, cough or control bladder movements. Most fatal injuries are occurred in upper cervical levels. jaw-thrust maneuver is a first aid and medical procedure used in this condition.</span>
After the 1st half-life 250 g of the radioactive material will be left.
<span>After the 2nd half-life 125 g of the radioactive material will be left. </span>
<span>After the 3rd half-life 62.5 g of the radioactive material will be left. </span>
<span>Therefore after 60 minutes, 3 half lives would have occurred. </span>
<span>Therefore the half-life = 60 / 3 = 20 minutes when 250 grams of the original material would have remained radioactive. </span>
<span>Therefore the answer is A) About 250 gram of the material decayed in 20 minutes.</span>
<span>Simmon’s Citrate agar is used to determine an organism’s ability to use citrate as a sole carbon source.Simon’s citrate agar is a defined medium in which sodium citrate is the sole carbon source, and ammonium is the sole nitrogen source. Bromothymol blue (BTB) is included as a pH indicator
The medium is initially at pH 6.9, at which BTB is green; at a pH greater than 7.6 BTB turns a deep blue. The pH change is induced by CO2, which is given off as a by-product of citrate utilization. When it reacts with Na and H2O in the agar it raises the pH above 7.6
The organism must contain the enzyme citrase to degrade citrate
(citrase)
Citrate --------->CO2 + Na HCO + H2O
I
(blue color change)
Now, coming to how a citrate test may give false results. There are only 2 ways that can happen.
- Failure to incubate with loose caps may result in a false-negative results.
- Avoid using a large inoculum to streak the strand; an inoculum that is too heavy may result in a false-positive test. </span>