They can study the number and organization of operons by reading the genome sequence.
-Medulla in a human is smaller (medullary index of less than one-third); and medulla in animals is very thick (medullary index of one-half or greater).
- Cuticle in humans is imbricated; and the cuticle in animals is coronal or spinous.
- Pigmentation in animal hair is denser than human hair.
- Animal hair can change colors in banded patterns; human hair cannot.
The right answer for the question that is being asked and shown above is that: "b. Archaeopteryx fossils share traits with both birds and reptiles."
Hollow, that's why birds can fly. There is nothing in the bone to weigh them down.
Answer:
RNA.
Explanation:
RNA is present as genetic material in some viruses only. RNA is almost similar to DNA in its basic structure but contains oxyribose sugar and uracil instead of deoxyribose sugar and thymine.
According to RNA world hypothesis, RNA is the first genetic material evolved on earth. The RNA has the ability to store information as can be seen in process of transcription and translation. The ribozyme has the ability to acts as the enzyme. Hence, RNA has both ability to store information and catalyze the reaction.
Thus, the correct answer is option (E).
