Question

Life science 2 thx a lot!

1. Challenges to living on Mars include

A. that it is far too cold to be outside on Mars without protection

B. the thin and toxic atmosphere means we would need breathing apparati and oxygen

C. frozen, not liquid, water

D. human bodies would be dramatically changed over time

E. all of the above

2. People with damage to their amygdala do not experience a memory enhancement effect.

true

false

3. Factors that facilitate cross-species transfer of novel human pathogens include

A. encountering the habitat of the disease vector

B. migration of the reservoir species

C. climate change

D. global change

E. all of the above

4. Because of a change in blood vessels as aging occurs

A. diabetes becomes more common

B. circulation is affected

C. wrinkles develop in the skin

5. Ex-vivo studies support the notion that memories and complex information could be transferred from one neuronal network to another.

true

false

6. The major muscular changes associated with aging occur because of

A. hypertrophy

B. overuse

C. disuse

D. relaxation

7. Auxins

A. regulate pollination

B. regulate photosynthesis

C. regulate growth

D. regulate nutrient flow

8. Gametophytes

A. consume spores

B. generate spores

C. generate pollen and eggs

D. comsume pollen and eggs

9. Vision is affected by aging because

A. pupil size shrinks

B. sensitivity to glare increases

C. the lens loses flexibility

D. dryness of the eye increases

E. all of the above

10. Onset and progress of aging is affected by

A. genetics

B. environmental factors

C. lifestyle

D. gender

E. all of the above

11. Living on Mars would reduce the body's ability to synthesize

A. vitamin C

B. vitamin B12

C. vitamin D

D. folate

12. Length of time for radio signals to travel to other systems may explain why we have not been contacted by extraterrestrial life.

true

false

13. Lyme disease is likely to be acquired

A. by campers, hikers, outdoor works, or those people who frequent wooded, brushy, and grassy places

B. if the nymph attaches and feeds for greater than 24 hours

C. a person resides in the Northeastern, North-Central, or Northern California portions of the United States

D. all of the above

Answer 1

1(A). Challenges to living on Mars include all the above options which are given

option E

difficulties and hazards include forhuman survival are include toxic soil,low gravity,isolation that accompain mars,distance from Earth,lack of water,and cold temperatures

2. People with damage to their amygdala do not experience a memory enhancement effect.

Ans:True

It has been shown that emotion can lead to enhanced memory performance, particularly when memory is tested after a delay. Cahill and collegues ,found an impairment in recall for the arousing portion of a story in a patient with Urbach–Wiethe syndrome and in normal subjects who had been given propranolol, a beta-adrenergic blocker that has been shown to have similar behavioral effects as amygdala lesions in rats. These results suggest that the human amygdala may be necessary for our enhanced memory for arousing events.

3.Factors that facilitate cross-species transfer of novel human pathogens include

option E all of the above is correct answer

4.Because of a change in blood vessels as aging occurs

option B is correct(circulation is Affected)

5. Ex-vivo studies support the notion that memories and complex information could be transferred from one neuronal network to another.

True

6.The major muscular changes associated with aging occur because of

Ans:hypertrophy option A

7.Auxins

Ans :option C (regulates the growth of plant)

8. Gametophytes

Ans:option B (generate spores)

9.Vision is affected by aging because

Ans:all of the above (E)

10.Onset and progress of aging is affected by

Ans:option (E) allof theabove

11.Living on Mars would reduce the body's ability to synthesize

Ans:Vitamin D option C is answer

12.Length of time for radio signals to travel to other systems may explain why we have not been contacted by extraterrestrial life.

Ans:false

13.Lyme disease is likely to be acquired

ans:all the above option D