Answer:
D) Incorrect, because of failure to distinguish between incidence and prevalence
Explanation:
YES!, the inference was incorrect because we no information was given about the emergence of the migraine or effect that resulted to it. Also, the inference made from such observation is void and not applicable.
Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
Answer:
Hormones are the body's chemical messengers. They carry information and instructions from one set of cells to another. The endocrine system influences almost every cell, organ, and function in the body.
The answer is A.,.....................
This would be an example of:
C) an insertion mutation.
Notice how the sequence contains the same letters as before, only an A is added to the beginning. Adding extra nucleotides is an example of an insertion mutation, a type of frame-shift also, because the reading frame will be thrown off downstream.