Plant cell Notes structure and Function Basic Science Series
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http://youtube.com/watch?v=b2IuYiXqB9w
Personal LinkedIn: / dr-lokender-kumar-58525945 • LinkedIn Basic Science Series: / basic-science-series-a54439208 • WhatsApp Channel: https://whatsapp.com/channel/0029Vas8... • Twitter: / basic_series • Facebook Group: / 742235929758671 • Plant cell structure and Function • Cell wall: • -Rigid cell wall, • -complex structure, • -protecting the cell to regulating the life cycle, • -absent in animals, • may depend on cell type and developmental stage, • cellulose, hemicelluloses and pectin, • -lignin, suberin or cutin, • Cell Membrane • -The plasma membrane, • -separates the interior from outside environment • -semipermeable • -transport of material • -Membrane proteins • -lipid bilayer • -Phospholipid: Hydrophobic and hydrophilic end • Cytoplasm • material within a cell, • Nucleoplasm, • Cytosol + organelles • -80% water and usually colorless • Nucleus • -membrane-bound organelle, • -RBCs (No nucleus) • -osteoclasts (Many) • -cell's genome except mitochondrial DNA, • -DNA + histone = Chromosomes • Nucleolus • -ribosome biogenesis. • -signal recognition particles (stress response), • -nucleolopathies, • -cancer chemotherapy, • Endoplasmic • Reticulum • ER are continuous with the outer nuclear membrane • Not in red blood cells, or spermatozoa • lipids and cholesterol • protein synthesis. • • Chloroplast • Photosynthesis • chlorophyll captures the energy from sunlight, • energy-storage molecules ATP and NADPH while freeing oxygen from water, • • Mitochondria • -generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy, • Powerhouse, • double-membrane-bound organelle, • Liver cells can have more than 2000, • Vacuole • -Containing water in plant cells • -hydrostatic pressure or turgor within the cell • -Vacuole types • -Gas Vacuoles • -Central Vacuoles • -Contractile Vacuoles • -Food Vacuoles • -80 percent or more • -plant wastes • -stores salts, minerals, nutrients, proteins, pigments, helps in plant growth • Golgi apparatus • Golgi complex, • Proteins into membrane-bound vesicles • Peroxisome • membrane-bound organelle • oxidative organelles • hydrogen peroxide (H2O2) • scavenging activities, • Ribosome • Complex cellular structures • ribosomal RNA (rRNA) and protein • protein synthesis • many subunits. • Amyloplast • -store starch within • -double-enveloped organelles • -involved in various biological pathways. • Disclaimer: The information provided is for educational purposes only. The content of this channel should not be considered as medical advice of any kind. Use this information at your own risk. We hold no responsibility for any issue, concerns, or damage arising from the content of the video. Under no circumstances this channel be responsible or liable in any way for any content, including but not limited to, any errors or omissions in the content, any loss, any damage of any kind incurred as a result of any content communicated in this video, whether by this channel or a third party. In no event shall this channel be liable for any special indirect or consequential damages of any damages whatsoever resulting from the content of the channel.
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