DNA
1. Found in nucleus
2. Sugar is deoxyribose
3. Bases are A, T, C, and G
RNA
1. Found in nucleus and cytoplasm
2. Sugar is ribose
3. Bases are A, U, C, and G
Answer: For decreased chances of rejection
Explanation:
The three higly polymorphic MHC 1 genes in human beings are HLA-A, HLA-B and HLA-C.
These determine the compatibility of the organ or tissue in the recipient's body each by the help of many alleles that segregates in a population.
There are very less chances that a random chosen donor will match the a recipient six allele genotype.
This is the reason parent may be the best donor for organ transplantation or tissue transplantation.
If there is limited of food then they will compete but if there is an equal amount of food they won’t compete. So the answer is true.
Answer of Q.1. is:
C] Ferns
While, Answer of Q.2 is ;
B] Mollusks
Answer:
species richness is the number of species in an ecosystem
