BSC 170 Final Exam 2024/2025 Exam
Questions Marking Scheme New Update
| A+ Rated
Which treatment was shown to reverse aging in the progeria model in mice
with rapid aging disorders?
A. activating the telomerase enzyme
B. deleting the kinetochore of chromosome 7
C. yoga and accupuncture
D. exposure to high levels of radiation once a week - 🧠ANSWER ✔✔A
Which of the following statements most accurately reflects the biological
aspects of aging in humans?
A. Aging is strictly caused by physiological changes that have no genetic
basis over time
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,B. Aging is the result of accumulation of genetic changes as well as non-
genetic physiological changes over time
C. Aging is all in the mind, your age is just a number
D. Aging is strictly caused by only genetic changes over time - 🧠ANSWER
✔✔B
Which of the following statements is true with respect to mutation and
aging?
A. mutations are linked to aging in males but not in females
B. accumulation of mutations and aging are not connected in any way
C. as you age you accumulate a larger number of random mutations some
of which affect gene expression
D. as you age age your DNA repair mechanism gets better so there are
actually fewer mutations in the elderly than in the young - 🧠ANSWER ✔✔C
Which of the following is a common change to human chromosomes that
occurs as a result of aging?
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, A. centromeres double in size
B. centromeres disappear
C. telomeres lengthen
D. telomeres shorten - 🧠ANSWER ✔✔D
Which of the following is true with respect to the safety of GMO crops?
A. the vast majority of scientists and scientific organizations recognize
GMOs as dangerous
B. the science is unclear so scientists haven't taken any public stance on
the matter
C. approximately half of scientists believe them to be safe while the other
half believe that they are unsafe
D. the vast majority of scientists and scientific organizations recognize
GMOs as safe - 🧠ANSWER ✔✔D
The idea that nature is always better than man-made items is known as
what?
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STATEMENT. ALL RIGHTS RESERVED
Questions Marking Scheme New Update
| A+ Rated
Which treatment was shown to reverse aging in the progeria model in mice
with rapid aging disorders?
A. activating the telomerase enzyme
B. deleting the kinetochore of chromosome 7
C. yoga and accupuncture
D. exposure to high levels of radiation once a week - 🧠ANSWER ✔✔A
Which of the following statements most accurately reflects the biological
aspects of aging in humans?
A. Aging is strictly caused by physiological changes that have no genetic
basis over time
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,B. Aging is the result of accumulation of genetic changes as well as non-
genetic physiological changes over time
C. Aging is all in the mind, your age is just a number
D. Aging is strictly caused by only genetic changes over time - 🧠ANSWER
✔✔B
Which of the following statements is true with respect to mutation and
aging?
A. mutations are linked to aging in males but not in females
B. accumulation of mutations and aging are not connected in any way
C. as you age you accumulate a larger number of random mutations some
of which affect gene expression
D. as you age age your DNA repair mechanism gets better so there are
actually fewer mutations in the elderly than in the young - 🧠ANSWER ✔✔C
Which of the following is a common change to human chromosomes that
occurs as a result of aging?
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, A. centromeres double in size
B. centromeres disappear
C. telomeres lengthen
D. telomeres shorten - 🧠ANSWER ✔✔D
Which of the following is true with respect to the safety of GMO crops?
A. the vast majority of scientists and scientific organizations recognize
GMOs as dangerous
B. the science is unclear so scientists haven't taken any public stance on
the matter
C. approximately half of scientists believe them to be safe while the other
half believe that they are unsafe
D. the vast majority of scientists and scientific organizations recognize
GMOs as safe - 🧠ANSWER ✔✔D
The idea that nature is always better than man-made items is known as
what?
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
