A. Several dietary fibers including cellulose reduce blood cholesterol levels
B. Soluble fibers hold moisture in stools and may prevent constipation
A is false, B is true
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举一反三
- A. Saturated fatty acids lower blood LDL cholesterol in comparison with unsaturated fatty acids</p></p><p><p>B. Many observational studies do not indicate that intake of saturated fat is positively linked to CHD</p></p>
- This transport carrier enables fat and cholesterol to travel through the blood</p></p>
- A. None of the evidence on dietary protein and specific health outcomes can be classified as “conclusive”</p></p><p><p>B. The relation between protein intake and cancer mortality and cancer diseases can be classified as “probable”</p></p>
- 三磷酸腺苷的分子简式是（） A: A.—P—P—P B: A.—P—P～P C: A.～P～P～P D: A.—P～P～P
- 【单选题】设A、B 为任意随机事件 ,则P(A-B)= () A. P(A)-P(B)+P(AB) B. P(B)-P(AB) C. P(A)-P(AB) D. P(A)+P(B)-P(AB)
内容
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When glucose levels fall, the liver:</p></p>
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【单选题】设事件A满足0<P(A)<1,事件B满足P(B)>0,且P(B|A)=P(B| A ),则必有()成立。 A. P(A|B)=P( A |B) B. P(A|B)≠P( A |B) C. P(AB)=P(A)P(B) D. P(AB)≠P(A)P(B)
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【单选题】求公式 Q ∨ (P → Q) 主析取范式。 A. (P∧﹁Q)∨(﹁P∧Q)∨(P∧Q) B. (﹁P∧﹁Q)∨(P∧﹁Q)∨(P∧Q) C. (﹁P∨﹁Q)∧(P∨﹁Q)∧(P∨Q) D. (﹁P∧﹁Q)∨(﹁P∧Q)∨(P∧Q) 答
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A. DHA is highly abundant in the membranes of the retina (photoreceptor cells)</p></p><p><p>B. Arachidonic acid is used to make prostaglandins</p></p>
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下列命题公式是永真式的是（ ） A: A．(P∧﹁P ) « Q B: B．﹁(P®Q )∧Q C: C．(P®Q )∨﹁Q D: D．(P∨P )∧(P ®﹁P )