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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

For formation of plasma membrane, ______ molecules are necessary.

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प्रश्न

For formation of plasma membrane, ______ molecules are necessary.

रिकाम्या जागा भरा
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उत्तर

For formation of plasma membrane, phospholipid molecules are necessary.

Explanation:

Phospholipids form the bilayer structure of the plasma membrane, into which are interspersed protein molecules, either intrinsically or extrinsically. This arrangement helps regulate the movement of substances into and outside the cell.
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पाठ 2: Life Processes in living organisms Part -1 - Exercises [पृष्ठ २१]

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बालभारती Science and Technology 2 [English] Standard 10 Maharashtra State Board
पाठ 2 Life Processes in living organisms Part -1
Exercises | Q 1. e. | पृष्ठ २१

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संबंधित प्रश्‍न

The diagram given below represents a stage during cell division.

Study the same and answer the questions that follow:

  1. Identify whether it is a plant cell or an animal cell. Give a reason in support of your answer.
  2. Name the stage depicted in the diagram. What is the unique feature observed in this stage?
  3. Name the type of cell division that occurs during:
    1. Replacement of old leaves by new ones
    2. Formation of gametes
  4. What is the stage that comes before the stage shown in the diagram?
  5. Draw a neat, labelled diagram of the stage mentioned in (iv) above keeping the chromosome number constant.

The diagram below represents a stage during cell division. Study the same and then answer the questions that follow: 

 

  1. Name the parts labelled 1, 2, and 3.
  2. Identify the above stage and give a reason to support your answer.
  3. Mention where in the body this type of cell division occurs.
  4. Name the stage prior to this stage and draw a diagram to represent the same.

Draw labeled diagram of different steps of mitosis.

Where does mitosis occur?

How is mitosis important?

Mention characteristic features of mitosis.

Give important characters of meiosis.

Fill in the blank:

______ is the indirect cell division.


The fig given alongside shows a certain stage in a cell division in a cell  with four chromosomes.

(i) Name the parts of the chromosome labeled A and B.
(ii) Name the structure C. what is its function?
(iii) Name the type of division . Give a reason.
(iv) Name the stage of division.
(v) Name the stages before and after the stage shown in diagram.


Identify the stages of mitosis given below and label the figures.


The figure below shows a certain stage of mitosis:

(i) Name the stage,
(ii) Label the parts 1 to 4
(iii) How many chromosomes are shown here?


Draw a well-labelled diagram to show the anaphase stage of mitosis in plant cells having four chromosomes.


Explain the Term Pachytene


Name the following:

Replacement of dead cells is accomplished by which process.


Complete the following sentence with appropriate word  :

______means the splitting of the nucleus.


Complete the following sentence with appropriate word  :

Colchicine arrests cell division at __________.


In which stage of mitosis the chromosomes align in an equatorial plate? How?


Give the sequence of the events occurring during the prophase of mitosis.


During Mitosis what is the position of chromatids in metaphase?


The phase of karyokinesis which is almost the reverse of prophase is ______.


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