When the brain slams against the inside of the bony skull, it can cause a traumatic brain injury called a concussion. Describe the danger of suffering a concussion

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Symptoms of a concussion can include confusion, dizziness, blurred vision, headache, difficulty concentrating, altered sleep patterns, and, in some severe cases, loss of consciousness. Usually, the brain resumes normal function within 7 to 10 days after a concussion. However, repeated head injuries can cause chronic traumatic encephalopathy (CTE), a neurodegenerative disorder that involves memory loss, depression and suicidal impulses, and eventually dementia.

Biology & Microbiology

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In the final stage of SCNT, a(n) _____ is used to cause the foreign cell to fuse with, and empty its contents into, the

cytoplasm of the egg.

a. fine point needle b. virus c. micropipette d. electric current e. calcium phosphate

Biology & Microbiology

When a red blood cell is placed in a hypotonic solution, it will _____

1.swell, because water will diffuse in 2.swell, because active transport will bring water in 3.shrink, because water will diffuse out 4.shrink, because salt will flow in

Biology & Microbiology

Why is there a problem in replicating the ends of linear DNA molecules?

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Biology & Microbiology

The protostomes include most invertebratephyla

a. True b. False

Biology & Microbiology