According to the passage, which of the following statements is NOT TRUE?
A. Polar bears have up to 11 centimeters of fat underneath their skin.
B. Polar bears possess a gene called APOB that reduces levels of LDL cholesterol.
C. Female polar bears do not undergo extreme conditions during pregnancy.
D. Polar bears may provide insights into understanding heart disease in humans.
Giải bởi Vietjack
Tạm dịch : Theo đoạn văn, câu nào sau đây KHÔNG ĐÚNG?
A. Gấu Bắc Cực có tới 11 cm mỡ bên dưới da.
B. Gấu Bắc cực sở hữu một gen gọi là APOB giúp giảm mức cholesterol LDL.
C. Gấu Bắc Cực cái không trải qua những điều kiện khắc nghiệt khi mang thai.
D. Gấu Bắc Cực có thể cung cấp những hiểu biết sâu sắc về bệnh tim ở người.
Chọn C
- Female polar bears, however, undergo extreme conditions during every pregnancy. Once autumn comes around, these females will dig maternity dens in the snow and will remain there throughout the winter, both before and after the birth of their cubs. This process results in about six months of fasting, where the female bears have to keep themselves and their cubs alive, depleting their own calcium and calorie reserves. Tuy nhiên, gấu Bắc Cực cái phải trải qua những điều kiện khắc nghiệt trong mỗi lần mang thai. Khi mùa thu đến, những con cái này sẽ đào ổ đẻ trong tuyết và ở đó suốt mùa đông, cả trước và sau khi sinh con. Quá trình này dẫn đến việc nhịn ăn khoảng sáu tháng, trong đó những con gấu cái phải giữ cho bản thân và đàn con của chúng sống sót, làm cạn kiệt lượng canxi và calo dự trữ của chúng.
What can be inferred from the passage regarding polar bears' genetic adaptations?
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