Answer:
In the laboratory, restriction enzymes (or restriction endonucleases) are used to cut DNA into smaller fragments. The cuts are always made at specific nucleotide sequences. Different restriction enzymes recognise and cut different DNA sequences.
Answer: Option D
Explanation:
In case, tiger has not been killed by the hunter it could have produced more fertile offspring in his lifetime.
The tiger which is most fit is the one who can produce the maximum number of fertile offspring when it is alive.
No matter when the tiger is being killed by the hunter it is giving birth to 9 fertile offspring during his life so this tiger is the fittest tiger.
Hence, the correct answer is option D
The molecule which is rich in nitrogen, soluble in water, lacks Phosphorous, and also contains hydrogen and oxygen in uneven ratios is amino acid.
A phylogenetic tree is a branching diagram showing evolutionary relationships among various living organisms based upon similarities and differences in their physical or genetic characteristics like the one above. In this case a human is more closely related to a mouse than a kangaroo, A platypus is more closely related to a kangaroo than a mouse, a human and a kangaroo share common features because of a common ancestor.
