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Fill in the blank and explain the statement. For formation of plasma membrane, ____________ molecules are necessary. - Science and Technology 2

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प्रश्न

Fill in the blank and explain the statement.

For formation of plasma membrane, ____________ molecules are necessary.

रिक्त स्थान भरें
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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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अध्याय 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
अध्याय 2 Life Processes in living organisms Part -1
Exercises | Q 1.5 | पृष्ठ २१

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संबंधित प्रश्न

Draw labeled diagram of different steps of mitosis.

Mention characteristic features of mitosis.

Define the following:

Karyokinesis


Fill in the blank:

______ takes place in body cells resulting in growth and development.


Fill in the blank:

______ is the indirect cell division.


What happens to chromatin during prophase and metaphase of mitosis?

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


Name the following:

The kind of division normally seen at the tip of the root and shoot system.


Name the Following

Name the stage during which nuclear membrane and nucleoli reappear.


Give Technical Terms

Division of nucleus.


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 __________.


Multiple Choice Question:

Karyokinesis is the division of


The karyotype (set of chromosomes) shown below is taken from a dividing cell in a certain individual.
(i) Is the individual male or female? Explain your answer.
(ii) How would you expect
(a) a female cell and
(b) sperm cell to differ in chromosome composition?


The diagram given below represents a stage in mitosis.

  1. Identify the stage given above.
  2. Give one reason to support your answer in (a).
  3. Mention the number of chromosomes given in the diagram.

During Mitosis what is the position of chromatids in metaphase?


During Mitosis what is the position of chromatids in the anaphase?


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