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Class Notes for BIO 1000 at St. John's University (SJU)

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SJUBIO 1000Abeer M MohamedSpring

BIO 1000 Lecture Notes - Lecture 6: Sister Chromatids, Cell Division, Multicellular Organism

OC21637562 Page
26 Sep 2017
0
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 14: Membrane Fluidity, Lipid Bilayer, Cell Membrane

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4 Mar 2017
0
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 14: Tight Junction, Extracellular Fluid, Middle Lamella

OC10667012 Page
4 Mar 2017
0
The cell wall, found in prokaryotes, fungi, and some protists, has multiple functions. In plants, the cell wall protects the cell, maintains its shape,
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 15: Lipid Bilayer, Membrane Fluidity, Cell Membrane

OC10667012 Page
4 Mar 2017
0
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 15: Lipid Bilayer, Cell Membrane, Passive Transport

OC10667012 Page
4 Mar 2017
0
A steady traffic of small molecules and ions moves across the plasma membrane in both directions. For example, sugars, amino acids, and other nutrients
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 5: Dehydration Reaction, Hydrolysis, Covalent Bond

OC10667012 Page
4 Mar 2017
0
Within cells, small organic molecules are joined together to form larger molecules. These large macromolecules may consist of thousands of covalently b
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 9: Frederick Sanger, Carboxylic Acid, Amine

OC10667012 Page
4 Mar 2017
0
R groups may be as simple as a hydrogen atom (as in the amino acid glycine), or it may be a carbon skeleton with various functional groups attached (as
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 9: Beta Sheet, Disulfide, Globular Protein

OC10667012 Page
4 Mar 2017
0
Typical secondary structures are coils (an alpha helix) or folds (beta pleated sheets). The structural properties of silk are due to beta pleated sheet
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 9: Messenger Rna, Nitrogenous Base, Cell Nucleus

OC10667012 Page
4 Mar 2017
0
The amino acid sequence of a polypeptide is programmed by a unit of inheritance known as a gene. A gene consists of dna, a polymer known as a nucleic a
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 11: Electron Microscope, Nanometre, Ultrastructure

OC10667012 Page
4 Mar 2017
0
The discovery and early study of cells progressed with the invention of microscopes in 1590 and their improvement in the 17th century. In a light micro
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 11: Nuclear Membrane, Nuclear Pore, Nuclear Lamina

OC10667012 Page
4 Mar 2017
0
The nucleus contains most of the genes in a eukaryotic cell. Additional genes are located in mitochondria and chloroplasts. The nucleus averages about
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SJUBIO 1000Jai DwivediFall

BIO 1000 Lecture Notes - Lecture 5: Endoplasmic Reticulum, Golgi Apparatus, Nuclear Membrane

OC106670112 Page
21 Feb 2017
0
Microscopy: scientists use microscopes to visualize cells too small to see with the naked eye. Comparing prokaryotic and eukaryotic cells: basic featur
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