Macromolecules and Organelles

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Description and Tags

Biology

Cells

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39 Terms

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Cell membrane

Protects cell contents, allows for transport, delineates bounds of the cell, cell-cell communication

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Endomembrane system

series of interconnected membranes that allows for transport throughout the eukaryotic cell

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part of the endomembrane system

nuclear envelop, rough ER, smooth ER, Golgi apparatus, vesicles, and cell membrane

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Endoplasmic reticulum

Network of flattened membranes

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Rough ER

studded with ribosomes, assists with protein folding, making proteins, lipids, and carbs

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Smooth ER

lacks ribosomes, assists with making some lipids, detoxifies drugs

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<p>Nucleus</p>

Nucleus

houses DNA, consists of it’s own nuclear membrane and nuclear pores (small openings), also houses nucleolus (which makes ribosomes)

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<p>Nuclear pores and envelope</p>

Nuclear pores and envelope

membrane and porous openings of nucleus, membrane made of phospholipid bilayer

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<p>Mitochondria </p>

Mitochondria

“powerhouse of cell”, location of aerobic respiration

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nucleolus

Inside nucleus, makes ribosomes

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<p>Cilia</p>

Cilia

small hair-like projections around cell, short in length, present in large numbers, part of cytoskeleton

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Flagellum

long hair-like projections from cytoskeleton, present as single, double, or triple numbers, long, help with movement

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Cytoplasm

inside region of the cell, location of all organelles

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<p>centrosome</p>

centrosome

makes mitotic spindle during mitosis (cell division), component of cytoskeleton

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<p>lysosome</p>

lysosome

membrane sack of digestive enzymes, helps cell digest and recycle structures

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<p>peroxisome</p>

peroxisome

membrane sack of detoxifying enzymes

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Ribosome

made in nucleolus, housed in nucleus, “workbench of cell”, makes proteins

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Cytoskeleton

“skeleton” of cell, structures that support cells, provide structure and shape, and help with transport around the cell, made of different filaments

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Golgi

flattened sacks of membranes, help with shipping newly made molecules to where they need to go around the cell

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Monosaccharides (ring structure)

Monomer Structure Name of Carbohydrates

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Disaccharides (2 rings) and Polysaccharides (strand of monosaccharides)

Polymer Structure Name of Carbohydrate

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Stores energy, Provides structure, Fuel for metabolism

3 Functions of Carbohydrates

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Glycosidic Linkage

Carbohydrate Bond Name

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Glucose: in cells, plants, animals, simple sugar for metabolism

Starch: energy storage molecule in plants

Glycogen: energy storage in animals

Carbohydrate Examples

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Fatty acid and structure: Long chain of hydrocarbons

Monomer Structure Name of Lipids

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Triglyceride Structure: 3 fatty acid chains bonded to glycerol, fat storage molecule

Polymer Structure Name of Lipids

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Energy storage, Temperature insulation, Protects organs

3 Functions of Lipids

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Ester Bond

Lipid Bond Name

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Steroids: All cells, communication

Phospholipids: All cells, makes membranes

Waxes: Plants, helps stop water movement

Lipid Examples

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Amino Acid structure: Same in every Amino Acid

Monomer Structure Name of Proteins

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Polypeptide (strand of amino acids)

Polymer Structure Name of Proteins

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Structure

Communication

Enzymes

3 Functions of Proteins

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Peptide Bond

Protein Bond Name

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Any enzyme: All cells, enable metabolic reaction

Structural proteins like keratin in hair

Insulin, controls blood sugar

Protein Examples

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Nucleotide: Contains nitrogenous bases which code A,T,G, and C

Monomer Structure Name of Nucleic Acids

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Polynucleotide (strand of nucleotides)

Polymer Structure Name of Nucleic Acids

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Carry genetic information

Pass along information

ATP: energy molecule

3 Functions of Nucleic Acid

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Phosphodiester bond

Bond Name of Nucleic Acid

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DNA – All cells, makes the genome

RNA – All cells, carries and translates genetic info

ATP – All cells, carries energy

Nucleic Acid Examples