You Have Isolated a Fragment of Viral DNA That Totally

question 72

Essay

You have isolated a fragment of viral DNA that totally encodes at least two proteins, 120 and 80 amino acids long. The DNA fragment is 400 base pairs long. (a) Why might you consider this unusual? (b) You sequence the two proteins and find no sequence homology. Propose a model to account for these findings.

---

Definitions:

Predictiveness Phenomena

The concept that the usefulness of a cue or signal depends on how accurately it predicts the occurrence of a future event.

Associative Strength

The measure of how strongly two ideas or stimuli are linked in a person's mind.

Surprise Value

The significance or impact of an unexpected event, which can greatly influence learning and memory processes.