A 78 year old grandmother presents for eval of weakness in her face. She has a longstanding history of HTN that has been under f
air control. On physical exam you note that she has ptosis and miosis of the left eye and left facial anhidrosis. What is your most likely diagnosis? A) Horner's syndrome
B) Anisocoria
C) Acute angle-closure glaucoma
D) Myasthenia gravis
I think the correct answer among the choices listed above is option B. The process that creates specialized cells like blood cells, nerve cells, or bone cells, is called differentiation. It is a process where generic embryonic cells become specialized cells.
They produce narrow-band high-frequency sound to help them navigate in water. These high-frequency sounds are used in echolocation. Echolocation is used to identify and locate prey and also avoid the predators. Marine mammals like whales and dolphin use echolocation in different manners.
This problem is talking about the lac operon and the gene expression of lac operon. If the gene is turned off, then transcription, the generation of mRNA won't occur.