Phospholipid bilayer - Study guides, Class notes & Summaries

Cell component responsible for energy production; powerhouse of the cell Answer: Mitochondria QUESTION Organelle responsible for protein synthesis Answer: Ribosomes QUESTION Network of protein filaments that aid in intracellular support, cell movement, and moves organelles. Answer: Cytoskeleton QUESTION The basic unit of structure and function in all living things. Composed of plasma (cell membrane), cytoplasm, cytosol, nucleus, and cy...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

The structure of the membrane is directly related to its? Ans: function Membranes Create ______ environments Ans: two : inside and out Membranes ultimately have to separate two ??? Ans: regions of water organelle membranes Ans: also separate their inner environment from the inside of the cell key property of water that influences the structure of membranes Ans: it's polar and partially changed and hydrophillic 2 Hydrophobic molecules can reorganize ____ Ans: water membrane lipids a...

Glycoproteins Ans: carbohydrate attatched to a protein (plays role in cell recognition as well as communication) carbohydrate Ans: long chains of sugars Glycolipids Ans: attached to lipid bilayer itself (plays role in cell recognition as will as communication) Phospholipid tails Ans: no polar, hydrophobic Phospholipid head Ans: polar, hydrophilic 2 peripheral protein Ans: (on outside) can release certain molecules cholesterol Ans: helps keep the rigidity, keeps things together ...

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BIOL 1201 - FINAL EXAM CUMULATIVE MATERIAL WITH COMPLETE SOLUTIONSBIOL 1201 - FINAL EXAM CUMULATIVE MATERIAL WITH COMPLETE SOLUTIONSBIOL 1201 - FINAL EXAM CUMULATIVE MATERIAL WITH COMPLETE SOLUTIONSThe sugar phosphate backbone of a DNA strand is held together with - ANSWER-Covalent Bonds The relative concentration of protons (H+) in an solution is characterized by - ANSWER-pH The internal portions of the membrane phospholipid bilayer is characterized by - ANSWER-Hydrophobic interactions ...

Cell membrane Ans: Flexible and allows a unicellular organism to move Homeostasis Ans: Balanced internal condition of cells Equilibrium Ans: (Homeostasis) maintained by plasma membrane controlling what enters and leaves cell Functions of plasma membrane Ans: Protective barrier, regulates transport in ad out of cell, allows cell recognition, provides anchoring sites for filaments of cytoskeleton, provides binding site for enzymes, contains cytoplasm Phospholipids 2 Ans: Make up ce...