Which of the followings is always ABSENT in prokaryotic cells ?
- Ribosome
- Mitochondria
- DNA
- Cell wall
The Correct Option is B
Solution and Explanation
Top Questions on Cell: the unit of life
Match List I with List II.
List I
List II
A CCK I Kidney B GIP II Heart C ANF III Gastric gland D ADH IV Pancreas List I List II A. CCK I. Kidney B. GIP II. Heart C. ANF III. Gastric gland D. ADH IV. Pancreas Choose the correct answer from the options given below:
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How many different proteins does the ribosome consist of?
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Which of the following statements are correct?
- Basophils are most abundant cells of the total WBCs
- Basophils secrete histamine, serotonin and heparin
- Basophils are involved in inflammatory response
- Basophils have kidney shaped nucleus
- Basophils are agranulocytes
Choose the correct answer from the options given below:
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Movement and accumulation of ions across a membrane against their concentration gradient can be explained by
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Which micronutrient is required for splitting of water molecule during photosynthesis?
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Let α,β be the roots of the equation, ax2+bx+c=0.a,b,c are real and sn=αn+βn and \(\begin{vmatrix}3 &1+s_1 &1+s_2\\1+s_1&1+s_2 &1+s_3\\1+s_2&1+s_3 &1+s_4\end{vmatrix}=\frac{k(a+b+c)^2}{a^4}\) then k=
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Concepts Used:
Cell: The Unit of Life
- A cell is derived as the functional and structural unit of life. Every cell is surrounded by a cell membrane that dissects the external and internal environments of the cell. The interior environment of a cell is called the cytoplasm.
- It carries cellular machinery and structural elements. The nucleus is present in the center of the cell, which includes all the hereditary information of an organism. Some of the molecules present in the cell are protein, carbohydrates, starch, and sugar.
Read More: Fundamental Unit of Life: Cell
Parts of Cell:
The different parts of a cell and their functions are as follows:
- Cell Membrane
- Cell Wall
- Nucleus
- Cytoplasm
