What is referred to in the term ‘good’ cholesterol?

cholesterol stored in cell walls
cholesterol used in the formation of steroids
low-density lipoproteins (ldl)
high-density lipoproteins (hdl)

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides.b) replication of their genomes does not involve proofreading.c) rna viruses can incorporate a variety of nonstandard bases.d) rna viruses are more sensitive to mutagens.

What are some physical consequences of drunkenness?

An 80-year-old woman who had been a zoologist for most of her life suffered from alzheimer’s disease. due to changes in her brain chemistry caused by the disease, the woman often had false perceptions of objects. one day, a guest at the woman’s senior citizen home approached the woman while wearing a furry coat. the furry coat worn by the guest caused the woman to hallucinate and believe a lion was about to attack her. to protect herself, the woman hit the guest in the head with her cane. the guest sued the woman for battery. the applicable jurisdiction follows the "single-intent" rule for battery. what is the woman’s best defense