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(D) $Phase \ contrast \ microscope$ is specifically designed to observe living,unstained cells in motion. It converts phase shifts in light passing th

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Phase contrast microscope

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(D) $Phase \ contrast \ microscope$ is specifically designed to observe living,unstained cells in motion. It converts phase shifts in light passing through a transparent specimen into brightness changes in the image. Since living cells are often transparent and do not require staining (which would kill them),this microscope allows for the detailed observation of their shape and movement in real-time. Electron microscopes require the specimen to be dead and dehydrated,making them unsuitable for observing motion.

$(a)$ Centrosome	$(i)$ Infoldings in mitochondria
$(b)$ Chlorophyll	$(ii)$ Thylakoids
$(c)$ Cristae	$(iii)$ Nucleic acid
$(d)$ Ribozyme	$(iv)$ Basal body of cilia or flagella

Column $X$	Column $Y$
$(1)$ Typical animal cell	$(P)$ Multinucleate
$(2)$ Zygote	$(Q)$ Uninucleate
$(3)$ Human $RBC$	$(R)$ Binucleate
$(4)$ Plant embryo sac	$(S)$ Enucleate

Cell Organelle	Function
$(A)$ Endoplasmic Reticulum	$(i)$ Powerhouse of the cell
$(B)$ Free Ribosomes	$(ii)$ Involved in osmoregulation and excretion
$(C)$ Mitochondria	$(iii)$ Lipid synthesis
$(D)$ Contractile Vacuole	$(iv)$ Protein synthesis

Which type of microscope is useful for studying the shape of a cell in motion?

Similar Questions

Match the following columns:
$(a)$ Centrosome $(i)$ Infoldings in mitochondria
$(b)$ Chlorophyll $(ii)$ Thylakoids
$(c)$ Cristae $(iii)$ Nucleic acid
$(d)$ Ribozyme $(iv)$ Basal body of cilia or flagella

Select the correct match for $X$ and $Y$:
Column $X$ Column $Y$
$(1)$ Typical animal cell $(P)$ Multinucleate
$(2)$ Zygote $(Q)$ Uninucleate
$(3)$ Human $RBC$ $(R)$ Binucleate
$(4)$ Plant embryo sac $(S)$ Enucleate

Which of the following structures between two adjacent cells forms an effective transport pathway?

What do mature mammalian $RBCs$ lack?

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