DNA and RNA have completely different purposes in us. DNA stores and transfers genetic information (Eye and hair colour, skin colour, etc..). RNA codes amino acids and makes proteins. DNA is double stranded while RNA is single stranded. DNA uses adenine, thymine, cytosine, and guanine; while RNA uses adenine, cytosine, uracil, and guanine.
Answer:
the chromosome are found in the nucleus of a body cell in pair
Harweda cares for the bird and begins thinking about its comfort as well as his own.
Water is polar. Lipids are non-polar.
The electrical impulse travels across the axon, and the myelin sheath helps to increase transmission speed.