The answer is B, because in mRNA, the only change in bases is that A transcribes into U
<span>One test might be the acid content of the water. Water that does not have a neutral pH might be less conducive to life. Another water quality test might be oxygen levels in the water. Inadequate oxygen levels may also reduce the amount of aquatic life. The presence of pollutants might be a third test. Chemicals that poison the water would negatively impact the number and variety of organisms present.</span>
Answer:
Saturated fatty acids don't have double bond between two carbon atoms, while in unsaturated fatty acids have atleast one double bond between two carbon atoms.
I've a trick for you to remember this
Saturated → Single Bond (you can remember by The first later of both word i.e., "S")
Unsaturated → Double Bond
<u>-TheUnknownScientist</u><u> 72</u>
Answer:
Stem cell is taken either from bone marrow or from the blood directly
Explanation:
Stem cells are derived from two locations primarily a) Bone Marrow and b) Blood
The first step in this process is to remove the stem cell from its parent location and it is done in the following ways –
A) For deriving stem cell from blood – A drug with growth factor s is injected. Here no anesthesia is given to the patient. The growth factors leads to the movement of stem cells from bone marrow into the bloods. Blood with stem cells is taken out from the veins and filtered through the apheresis machine.
B) From Bone marrow – Bone marrow is removed from the pelvic bone through a needle and prepared for transplantation.
Hey there,
There are only 2 genders. This is easily proved by science, and it i biologically impossible to change your gender or sex!
:)
