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  1. ...answer is C. (1), (3) and (5) only. It is because cuticle of leaf , bones and retina of the eye contains living tissues and living cells. So, they have to take in oxygen and take out respiration. This releases energy for living...

    分類:科學及數學 > 生物學 2007年06月26日

  2. ... leaves will evaporate because of sunlight. If the leaves have less stomata in the upper epidermis, it can prevent... which photosynthesis takes place. If the epidermis hinder light from reaching...

    分類:科學及數學 > 生物學 2007年10月16日

  3. .../Pear_ Leaf _Histology/07_ leaf _stoma.400xP9251888clbd.jpg 2011-10-07 18:56:36... across and out of the cell walls. I will take them as artifacts. 2011-10-07 18:58:02...

    分類:科學及數學 > 生物學 2011年10月21日

  4. Chrysanthemum is dicot. Dicot means 2 seed leaves . Take one sunflower seed and open its shell, you will find the seed inside can be easily...

    分類:科學及數學 > 生物學 2007年06月01日

  5. test for starch in leaf : The presence of starch inside the leaf indicates that photosynthesis has taken part inside the plant the leaf turns blue-black showing that starch ...

    分類:科學及數學 > 生物學 2008年04月15日

  6. hot summer day, under sun, get energy from sun. 要平衡恒定體溫, 排汗增加. 身體水份減少, blood 的 water protential 下降. 腎要reabsorption more proportion of water. urine 變得量少而濃.

    分類:科學及數學 > 生物學 2007年10月04日

  7. ...don't know what is a "lamp bone", I just took it as a normal bone. 3. Calcium Bones will absorb... entering in should contain more calcium than veins leaving .

    分類:科學及數學 > 生物學 2011年01月30日

  8. ...concentration gradient in the medulla. large amount of water passes out to become urine leaving the blood more concentrated followed by decrease in blood volume. ...

    分類:科學及數學 > 生物學 2006年12月10日

  9. ... into a leaf and oxygen only diffuses out of a leaf . 4.Enzymes are destroyed in an acidic... increase the rate of reactions but do not take part in the reactions. 5.enzymes increase the...

    分類:科學及數學 > 生物學 2008年06月18日

  10. ..., it will react with chlorophyll in epidermis of the leaf in plant, as well as carbon dioxide and water through the process...oxygen in the daytime; while the reversed reaction will be taken place by release of carbon dioxide at nighttime. 2.Are...

    分類:科學及數學 > 生物學 2014年09月29日