The incidence of cancer ---- with age. a. increases b. decreases   8. Familial colon cancer --- Knudson’s two-hit hypothesis about cancer. a. supports b. defies   please answer both.

Why is Alzhemier's disease the 6th leading cause of death in the United States right now?

Please help me with the multiple choice question below - it is based on genomics/developmental biology.

21. Which of the following can lead to cancer development? a. viruses b. mutation in cyclin production c. differentiated stem cells d. AIDS e. all of the above except c 22. Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type IV hypersensitivity reaction c. fight off extracellular infections d. destroy microorganisms through alternate complement e. c & d 23. Extensive vomiting can lead to alkalosis due to -a. continued excretion of HCO3 b. accumulation of potassium c. emphysema d. a high protein diet e. increased renin production 24. Which of the following could lead to renal osteodystrophy? a. low levels of parathyroid hormone b. high levels of blood calcium c. injections of calcitrol d. increased physical activity e. a high protein diet 25. Which of the following can cause diarrhon?

Can you match the type of mutations that can occur from the selected below? a. either proto-oncogene  or  tumor suppressor gene b. proto-oncogene c. tumor suppressor gen   1. Frameshift mutation 2. Missense mutation 3. Nonsense mutation