[問題][生物] 沈浩A2生物的幾各問題,跟大家討論下~
看板post-b.test (後中西醫考試)作者ISME0907 (ISME)時間14年前 (2010/11/13 22:28)推噓1(1推 0噓 14→)留言15則, 3人參與討論串1/2 (看更多)
1.Chap19-11th題
Terrestrial animal are________________
D)obligated to protect their eggs from with water-resistant shell.
針對這個D選項,到底錯在哪呢?我的想法很單純,因為是陸生,所以環境中水少,所以
要有防水的殼;再者想另外問一個觀念,飛行性動物也算陸生?
2.Chap22-57th題
Which of the following statements is true?
C)All cells have an equilibrium potential, a difference in electrial charges
across their plasma membrance.
針對這個C選項,到底錯在哪呢?
3.老師在上課時對正回饋都會說幾個例子,其中一個包括神經傳導,但我一直不知道神經傳
導過程中哪來的正回饋.但看了以下此題
Chap22-60th題
Threshold is of great significane in the physiology of neurons because if
threshold is not reached,____________.
C)positive-feeback depolarization will not occur.
此題答案為C這個選項,所以老師上課講說神經傳導有正回饋就是指這裡嗎?還是另有其
他?
在此和大家討論囉,謝謝^^
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