Which one of the following is correctly descr | vedclass

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(C) $1$. Centrioles are involved in spindle formation during cell division,not $RNA$ synthesis. $RNA$ synthesis occurs in the nucleolus.$2$. Lysosomes

Vedclass · Accepted Answer

Thylakoids $\rightarrow$ Flattened membranous sacs forming the grana in chloroplasts.

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(C) $1$. Centrioles are involved in spindle formation during cell division,not $RNA$ synthesis. $RNA$ synthesis occurs in the nucleolus.$2$. Lysosomes contain hydrolytic enzymes that are optimally active at acidic $pH$ (around $5.0$),not $8.5$.$3$. Thylakoids are flattened,sac-like structures found inside chloroplasts. Stacks of thylakoids are called grana. This statement is correct.$4$. Ribosomes in the cytoplasm of eukaryotic cells are $80S$,while those in chloroplasts and mitochondria are $70S$. The statement provided is reversed.

Which one of the following is correctly described as a cell part?

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What is the contribution of cytoplasmic $DNA$ to the total $DNA$ in a cell?

$A$ student wants to study cell structure using a light microscope with a $10X$ eyepiece and a $45X$ objective lens. To obtain the best resolution,which color of light should be used to illuminate the specimen?

$A$: All organelles in a eukaryotic cell are membrane-bound.
$R$: Organelles in a prokaryotic cell are membrane-less.

The contribution of cytoplasmic $DNA$ in cells to total $DNA$ is

Which organelle given below is not a part of the endomembrane system?

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