Answer:
a. The maternal copy of UBE3A is expressed and the paternal copy is silenced.
Explanation:
When UBE3A chromosome is in neurons, paternal allele is silent and maternal allele is expressed in process of genomic imprinting. In some cases UBE3A is expressed from both paternal and maternal chromosomes. The paternal chromosome is blue whereas maternal chromosome is magenta.
Atenolol (Tenormin) has been prescribed<span> for a </span>client<span>, and the </span>client asks<span> the </span>nurse<span> about the </span>action<span> of the </span>medication<span>. How should the </span>nurse respond<span> regarding the </span>action<span> of this </span>medication<span>? Slows the heart rate. Increases cardiac output. Increases myocardial oxygen demand. Maintains the blood pressure at a level within your body</span>
<span>1. O negative
2. O positive
3. A negative
4. A positive
5. B negative
6. B positive
7. AB negative
<span>8. AB positive</span></span>
Answer:
A
Explanation:
There are different mechanisms for transport of molecules across the cell membrane. One kind of this transport is facilitated diffusion, this is a form of passive transport, not requiring any ATP (the opposite would be active transport, where it does require ATP.
Simple diffusion does require special transport proteins, and neither does osmosis. Filtration is a technique used for sterilisation of water, where any impurities can be drawn out of the liquid
