Annie 發問時間: 教育與參考考試 · 9 年前

生物考題翻譯 > <

1.Explain why heat, pH changes can interfere with a protein’s function.

2.What is the advantage of small cell size?

3. Why does a denatured protein no longer function normally?

4. What three cellular components are shared by prokaryotic and eukaryotic cells?

5.What chemical bonds are involved in the secondary structure of a protein?

6. What chemical bonds are involved in the tertiary structure of a protein?

7. What are the three most common polysaccharides? How do they differ in structure and function?

8. Differentiate between primary, secondary, tertiary, and quaternary structure of proteins.

9. What is the “Cell Theory”?

10. Describe the various functions performed by proteins in a cell.

11 .Please draw the general structure of amino acids. How are peptide bond formed?

12. What does “unsaturated fat” mean?

13. Compare and contrast starch and cellulose, two plant polysaccharides

14. The enzyme called pancreatic amylase is a protein whose job is to help break down starch. Amylase cannot break down cellulose. Why not?

1. A type of cell called a lymphocyte makes proteins that are exported from the cell. What is the path of a protein from the site

where its polypeptides are made to its export?

2. Briefly describe the three kinds of junctions that can connect animal cells, and compare their functions.

3. Why are cellular membranes described as a fluid mosaic?

4. How do membranes organize the chemical activities?

5.How do mitochondria, smooth ER, and the cytoskeleton all contribute to the contraction of a muscle cell?

6. What are the main functions of the following organelles?

(a)nucleus, (b) smooth ER, (c) microfilament (d) Golgi body

7.Compare and contrast animal and plant cells

8. A cell has a lot of mitochondria, Golgi bodies and Rough ER in it. What kinds of cellular activities would require such an abundance of the three kinds of organelles?

1 個解答

評分
  • 9 年前
    最佳解答

    1.Explain為什麼熱,pH值的變化可干擾蛋白質的功能。

    什麼是小單元尺寸的優勢?

    3。為什麼變性蛋白質不再正常運作?

    4。哪三種細胞成分原核和真核細胞的共享?

    5.What化學鍵是參與蛋白質的二級結構?

    6。什麼樣的化學鍵是參與蛋白質的三級結構?

    7。什麼是最常見的三種多醣?他們如何在結構和功能有所不同?

    8。區分的小學,中學,大專,和第四紀的蛋白質的結構。

    9。什麼是“細胞學說”?

    10。說明在細胞中的蛋白質執行各種功能。

    11,請畫出氨基酸的一般結構。肽鍵是如何形成的呢?

    12。什麼是“不飽和脂肪”是什麼意思?

    13。比較和對比的澱粉和纖維素,兩種植物多醣

    14。胰澱粉酶是一種蛋白質,其任務是幫助分解澱粉。澱粉酶可以分解纖維素。為什麼不呢?

    1。被稱為一個細胞的細胞類型使得出口從細胞的蛋白質。什麼是從網站上的一種蛋白質路徑

    多肽是其出口?

    2。簡要描述的三種動物細胞的路口,可以連接,並比較它們的功能。

    3。為什麼是細胞膜的流體鑲嵌呢?

    4。膜如何組織化學活動?

    5。如何做線粒體,順利的急診室,和細胞骨架的所有促進肌肉細胞的收縮?

    6。下列細胞器的主要功能是什麼?

    (一)核,(二)急診室順利,(三)微絲(D)高爾基體

    7.Compare和對比度的動物和植物細胞

    8。一個細胞有大量的線粒體,高爾基體和粗糙的ER。什麼類型的細胞活動需要等三種細胞器的豐度?

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