"Endoplasmic reticulum" Essays and Research Papers

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    • 1. The organic molecule produced directly by photosynthesis is sugar: a) lipids; b) sugar; c) amino acids; d) DNA • 2. The photosynthetic process removes carbon dioxide from the environment. a) water; b) sugar; c) oxygen; d) chlorophyll; e) carbon dioxide • 3. The process of splitting water to release hydrogens and electrons occurs during the light dependent process. a) light dependent; b) light independent; c) carbon fixation; d) carbon photophosphorylation; e) glycolysis • 4. The process

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    Cell Project

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    Cell Organelles Organelles | Function | Pictures | Cytoskeleton | A network of proteins that Are constantly changing to meet the needs of a cell. | | Nucleus | The storehouse for most of the genetic information in your cells. | | Endoplasmic Reticulum | An interconnected network of thin folded membranes. | | Ribosome | Tiny organelles that link amino acids together to from proteins. | | Golgi Apparatus | Consists of closely layered stacks of membrane enclosed spaces that process sort

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    Alzheimer’s disease is a neurodegenerative disorder characterized clinically by progressive cognitive impairment [1]. Age is the most important factor that predisposes persons to the non-familial form of the disease‚ which in 2010 affected over 35 million elderly adults worldwide [2]. How aging interacts with other risk factors for Alzheimer’s disease [3] is still unknown. It appears‚ however‚ that certain age-related pathologies that are closely associated with systemic dysfunctions in lipid metabolism

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    Animal vs. Plant Cells

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    membrane encompassing the cell to control the substances moving in and out of the cell. They both contain enzymes from liposome for breaking down larger molecules. Animal and plant cells both transport protein into and out of cells through endoplasmic reticulum and have vacuoles where food‚ water‚ and nutrients are stored as well as provide stability for a plant. Three Differences Along with the similarities‚ there are also differences between animal cells and plant cells. Plant cells contain

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    In order for the prolactin single peptide to enter the ER lumen and be cleaved by signal peptidase‚ the prolactin nascent chain must be 130 codons. The mRNA at size 130 codons in length is seen to have cleavage in the presence of microsomes. The shorter sized mRNA’s in the presence of microsomes‚ are the non cleaved residue peptides in which the signal peptidase is unable to cleave the signal sequence amino acid. B. Band B is the cleavage of the signal sequence by the signal peptidase. The cleavage

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    Differences and Similarities Charlie Drees Between Prokaryotes and Eukaryotes Mr. Stergar 6th Period 6th Period 10/12/16 I have decided to do an essay about differences and similarities

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    may contain lignin and other substances. The outer boundary of the protoplasm (cytoplasm and nucleus) is a sandwich-like‚ flexible plasma membrane. This membrane regulates what enters and leaves the plant cell. Plant cell organelles include: endoplasmic reticulum‚ with and without ribosomes attached; Golgi bodies‚ mitochondria‚ and plastids. Plastids are chloroplasts‚ chromoplasts or leucoplasts—depending on the color and likewise the function. Chloroplasts are of specific interest to those

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    up 90% of cell volume. Centrioles Present in all animal cells Only present in lower plant forms. Chloroplast Animal cells don ’t have chloroplasts Plant cells have chloroplasts because they make their own food Cytoplasm Present Present Endoplasmic Reticulum (Smooth and Rough) Present Present Ribosomes Present Present Mitochondria Present Present Plastids Absent Present Golgi Apparatus Present Present Plasma Membrane only cell membrane cell wall and a cell membrane Microtubules/ Microfilaments

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    Regular shapes Small vacuoles throughout the cytoplasm Often one large central vacuole Nucleus anywhere but often in the centre Nucleus at the edge of the cell Heterotrophic nutrition Autotrophic nutrition STRUCTURE FUNCTION Endoplasmic reticulum Rough: transports the proteins synthetised by the ribosomes Smooth: synthetise and transport lipids Ribosomes Synthetise proteins Golgi apparatus Collects and distributes the substances synthetised in the cell Centrioles Direct the

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    biology cape

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    CELLS All living things are made of cells‚ and cells are the smallest units that can be alive. Life on Earth is classified into five kingdoms‚ and they each have their own characteristic kind of cell. However the biggest division is between the cells of the prokaryote kingdom (the bacteria) and those of the other four kingdoms (animals‚ plants‚ fungi and protoctista)‚ which are all eukaryotic cells. Prokaryotic cells are smaller and simpler than eukaryotic cells‚ and do not have a nucleus. Prokaryote

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