How many statements are correct?
$(A)$ Animal cells contain membrane-bound organelle called centriole which help in cell division.
$(B)$ Lipids are arranged within the plasma membrane with the polar head towards the inner sides and the hydrophobic tails towards the outer side.
$(C)$ The cell wall and middle lamellae may be traversed by plasmodesmata which connect the cytoplasm of neighboring plant cells.
$(D)$ The quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer.
$(A)$ Animal cells contain membrane-bound organelle called centriole which help in cell division.
$(B)$ Lipids are arranged within the plasma membrane with the polar head towards the inner sides and the hydrophobic tails towards the outer side.
$(C)$ The cell wall and middle lamellae may be traversed by plasmodesmata which connect the cytoplasm of neighboring plant cells.
$(D)$ The quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer.
- A$1$
- B$2$
- C$3$
- D$4$
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Which of the following structures between two adjacent cells forms an effective transport pathway?
Cell organelles are separated by the method of . . . . . . .
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View SolutionWhich of the following statements are incorrect?
$(i)$ Plant cells have centrioles which are absent in almost all animal cells.
$(ii)$ Ribosomes are the site of protein synthesis.
$(iii)$ The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together.
$(iv)$ In animal cells, steroidal hormones are synthesized by smooth endoplasmic reticulum.
Of the above statements:
$(i)$ Plant cells have centrioles which are absent in almost all animal cells.
$(ii)$ Ribosomes are the site of protein synthesis.
$(iii)$ The middle lamella is a layer mainly of calcium carbonate which holds the different neighbouring cells together.
$(iv)$ In animal cells, steroidal hormones are synthesized by smooth endoplasmic reticulum.
Of the above statements:
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View SolutionSelect the incorrect statement from the following.
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