Alzheimer’s and parkinson’s are both diseases affecting the central nervous system
and they share some similar characteristics. which of the following is only true for
alzheimer’s disease?
(a) patients suffer from the degeneration of nerve cells in the brain.
(b) symptoms can be treated with medications that increase acetylcholine in the
brain.
(c) it mostly affects people over the age of 55 and presently has no cure.
(d) patients lack a neurotransmitter essential for normal brain functioning

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Sea levels are rising due to climate change while increasing numbers of people are moving into coastal areas. to accommodate more people, there has been increased construction of beachfront resorts and condominiums. how is this impacting sea turtle numbers and biodiversity and why? a. the increased human population in coastal areas has meant that more food is available to the turtles (e.g., dropped food, waste from restaurants), which has led to an increase in the numbers and diversity of sea turtles. b. there has been very little change in the numbers and biodiversity of sea turtles because the planet is so vast that they can simply relocate to less crowded beaches. c. this has resulted in a decrease in numbers and diversity of sea turtles because it is restricting available nesting sites, and hence reproduction. d. this has resulted in an increase in numbers and diversity of sea turtles because people are around to protect them from natural predators.

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page