Answer:
A lot
Explanation:
Many mutations are non harmful, but rarely some can be harmful.
I think the answer is D. Because it has the most numbers that make sense
Answer:
The correct answer is d. eukaryotes almost always produce polycistronic mRNA
Explanation:
mRNA can be polycistronic or monocistronic. A monocistronic mRNA contains the information of one gene only so a monocistronic mRNA code only one protein at a time but a polycistronic mRNA can code for multiple proteins at a time.
In eukaryotes, one transcriptional unit carries the information of only one protein so eukaryotes produce monocistronic mRNA but some eukaryotes are capable of having polycistronic mRNA.
In prokaryotes, many genes are transcribed as a unit to produce multiple proteins so prokaryotes produce polycistronic mRNA. Therefore the statement which is not true is d. eukaryotes almost always produce polycistronic mRNA.
What happens is the sun emits millions of waves of UV radiation, which is light particles to us. A wave of this UV radiation or light, takes about 8 minutes to get from the sun to earth, when the UV rays finally gets to earth, it is then filtered through our atmosphere, some light waves get in, but many bounce off.
jumping forward a few steps,
this light or UV radiation, penetrates our skin cells, about a couple inches or so.
the skin cells absorb the light, a similar process is seen by plants as photosynthesis,
and that's how we get a tan....
I hope this helps:)
