Answer:
Huntington's disease (HD) is caused by a mutation in the huntingtin (htt) gene encoding an expansion of glutamine repeats at the N terminus of the Htt protein. However, whether caspase-6 is indeed the essential enzyme that cleaves Htt at this site in vivo has not been determined.
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Answer: Presumptive
Explanation:
Presumptive signs of pregnancy refers to those signs and symptoms experienced by the patient and impels her to seek the counsel of a physician or make an appointment with a physician. The signs and symptoms are mostly not proof of pregnancy. Some signs include; Cessation of menstruation (Amenorrhea), Nausea and vomiting (morning sickness) Etc.