CHS 200-FINAL EXAM STUDY GUIDE
free radical theory of aging - Answers - oxygen molecules with an unstable electron
move around the cell, damaging cell structures as they go. example:lipids that are used
to make up cell membrane
free radicals - Answers - chemical particles with an odd number of electrons- an extra
unpaired electron
Free radical prevention - Answers - Vitamin A,C, E donating electrons and nutrients
that neutralize these free radicals
telomere theory of aging - Answers - DNA sequences at the end of our chromosomes
shortens and evokes cell death
Location of Telomeres - Answers - end of chromosomes
evidence of telomere theory of aging - Answers - Hutchinson-Gilford progeria- a
disease of premature aging. Patients with this syndrome have shorter telomeres than
unaffected individuals which is an autosomal dominant inheritance pattern that causes
premature aging.
Immune theory of aging - Answers - Our bodies are less able to fight infection and
cancer tumors
Evidence to support immune theory of aging - Answers - we all have cancer cells in our
bodies right now but our immune system takes care of them but as we age, the cancer
cells are allowed to grow undetected by our immune system because it weakens which
is why the risk of cancer increases with age
biological process of myocardinal infarction (heart attack) - Answers - result of oxygen
starvation of the myocardium or the heart muscle
Cholesterol - Answers - A type of fat made by the body from saturated fat; a minor part
of fat in foods.
LDL (low density lipoprotein) - Answers - (bad cholesterol) allows entrance of the tunica
itima (innermost layer of artery) in the arterial wall.
HDL (High Density Lipoprotein) - Answers - "good cholesterol" that carries cholesterol
back to the liver, where it is removed from the blood
Cholesterol is found in - Answers - animal sources such as: egg yolk, meats, organ
meats, shellfish, and milk products
free radical theory of aging - Answers - oxygen molecules with an unstable electron
move around the cell, damaging cell structures as they go. example:lipids that are used
to make up cell membrane
free radicals - Answers - chemical particles with an odd number of electrons- an extra
unpaired electron
Free radical prevention - Answers - Vitamin A,C, E donating electrons and nutrients
that neutralize these free radicals
telomere theory of aging - Answers - DNA sequences at the end of our chromosomes
shortens and evokes cell death
Location of Telomeres - Answers - end of chromosomes
evidence of telomere theory of aging - Answers - Hutchinson-Gilford progeria- a
disease of premature aging. Patients with this syndrome have shorter telomeres than
unaffected individuals which is an autosomal dominant inheritance pattern that causes
premature aging.
Immune theory of aging - Answers - Our bodies are less able to fight infection and
cancer tumors
Evidence to support immune theory of aging - Answers - we all have cancer cells in our
bodies right now but our immune system takes care of them but as we age, the cancer
cells are allowed to grow undetected by our immune system because it weakens which
is why the risk of cancer increases with age
biological process of myocardinal infarction (heart attack) - Answers - result of oxygen
starvation of the myocardium or the heart muscle
Cholesterol - Answers - A type of fat made by the body from saturated fat; a minor part
of fat in foods.
LDL (low density lipoprotein) - Answers - (bad cholesterol) allows entrance of the tunica
itima (innermost layer of artery) in the arterial wall.
HDL (High Density Lipoprotein) - Answers - "good cholesterol" that carries cholesterol
back to the liver, where it is removed from the blood
Cholesterol is found in - Answers - animal sources such as: egg yolk, meats, organ
meats, shellfish, and milk products
