Answer:
In biology it is used as a restriction enzyme. EcoRI creates 4 nucleotide sticky ends with 5' end overhangs of AATT. The nucleic acid recognition sequence where the enzyme cuts is G/AATTC, which has a palindromic, complementary sequence of CTTAA/G.
Explanation:
Hopefully that helps, I had previously learned about this stuff too, super tough stuff!
These structures are called taste buds and they sense salty, sweet. sour, bitter tastes in the food.
Answer:
Healthy fingernails are smooth, without pits or grooves. They're uniform in color and consistency and free of spots or discoloration. Sometimes fingernails develop harmless vertical ridges that run from the cuticle to the tip of the nail. Vertical ridges tend to become more prominent with age.
The long-term effects of damage to your lungs (possibly lung cancer) and the possibility of giving those around you second-hand smoke.