Life science 2 thx a lot!

1. Factors that support human migration to Mars include

A. runaway climate change

B. global pandemics

C. possible nuclear war

D. possible asteroid strikes

E. all of the above

2. A key difficulty of preparing a computer system to house human brain information is trying to emulate the signaling pathways of the nervous system.



3. Loss of bone mass during aging leads to

A. osteogenesis

B. osteosarcoma

C. osteoporosis

D. loss of connective tissue

4. Signs and symptoms of aging can be slowed by

A. eating a healthy diet

B. exercising

C. caloric restriction

D. socialization

E. all of the above

5. In order for cross-species transmission to occur

A. there must be contact between the virus and host

B. the infection needs to be amplified within the host

C. variants need to be produced in the new host that allow for transfer to other humans

D. all of the above

6. The Fermi Paradox attempts to explain the likelihood of finding intelligent life in other galaxies.



7. The most basic part of our brain is the part that controls our autonomic functions, referred to as the mammalian brain.



8. In the absence of illness, high mental competence is expected to last until approximately what age

A. 80

B. 35

C. 65

D. 50

9. Aging reduces all of the following in the circulatory system except

A. white blood cells

B. hemoglobin

C. lymphocytes

10. Progeria and Werner syndrome, which both cause premature aging, are a result of

A. genetic causes

B. environmental factors

C. epigenetics

11. Caloric restriction, exercise, and a healthy diet

A. speed up the aging process

B. slow down the aging process

C. have no effect on the aging process

12. If humans live on Mars, it is hypothesized that in the next 100,000 years, humans will develop

A. eye-shine

B. smaller nostrils

C. smaller eyes

Public Answer

VCZDFG The First Answerer