are lysosomes present in animals, plant, and protozoans, all three?

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Solution

Dear Student,

Lysosomes are absent in case of plants and are present in case of animals including protozoans for the simple reason that they act on bigger molecules that somewhat enters through the plasma membrane like bacteria or other particles but in plants there is a barrier to such macromolecules called cell wall. Therefore, plants lacks lysosomes. In case of protozoans, the lysosomes fuses with the food vacuole providing digestive enzymes.

Regards,

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Q. Lysosomes are practically present in all animal cell except.

Animal cell and plant cell both have Golgi bodies and Golgi bodies helps in formation of lysosomes, then why the lysosomes are present only in animal cell?

Why lysosomes and centeosomes are not present in the plant cell?

Pick the correct set of difference between plant and animal cells from the following table:

$\begin{matrix} Animal cells & Plant cells i. Animal cells have large single vacuole & Plant cells have many small vacuoles ii. Animal cells do not have plastids & Plant cells have plastids including chloroplast iii. Animal cells do not have cell wall & Plant cells have cell wall outside the plasma membrane iv. Animal cells are green in colour & Plant cells are not colored v. Lysosomes are always present & Lysosomes are rare \end{matrix}$

Pick the correct set of difference between plant and animal cells from the following table.

\begin{matrix} A n i m a l c e l l s & P l a n t c e l l s i . A n i m a l c e l l s h a v e l a r g e s i n g l e v a c u o l e & P l a n t c e l l s h a v e m a n y, s m a l l v a c u o l e s i i . A n i m a l c e l l s d o n o t h a v e p l a s t i d s & P l a n t c e l l s h a v e p l a s t i d s i i i . A n i m a l c e l l s d o n o t h a v e c e l l w a l l & P l a n t c e l l s h a v e c e l l w a l l o u t s i d e t h e p l a s m a m e m b r a n e i v . A n i m a l c e l l s a r e g r e e n i n c o l o u r & P l a n t c e l l s a r e n o t c o l o u r e d v . L y s o s o m e s a r e a l w a y s p r e s e n t & L y s o s o m e s a r e r a r e \end{matrix}

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