Imagine an active, employed sixty-year-old who does not have dementia. Which of the following statements offers an explanation why he might not be as good at forming memories as he was when younger? A. He has lost too many synapses through underuse.

B. He is not as emotional as he once was.

C. His brain is no longer making new neurons.

D. He has too many neurofibrillary tangles.

If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins in the golgi, which of the following could likely result? a) the viral envelope proteins would not be glycosylated and might not arrive at the host plasma membrane.b) the viral capsid proteins would not be glycosylated and might not arrive at the host plasma membrane.c) the viral core proteins would not be glycosylated and might not arrive at the host plasma membrane.d) the virus would be unable to reproduce within the host cell

Which method of administration would result in the highest concentration of the drug in the brain?

You notice a co-worker, john, putting pens and index cards into his bag. when he sees you watching, he shrugs his shoulders and says, "what? this is no big deal; it's just a few office supplies. the company won't even miss them, and besides, everybody themselves to the supply cabinet." john's response shows he does not demonstrate which workplace attitude? 1. dependability 2.punctuality 3.self-confidence 4.honesty