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| Electrons exist only at fixed levels of potential energy. However, if an atom absorbs sufficient energy, will the electron move to a shell further out from the nucleus or fall back to a shell closer to the nucleus? |
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| The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule. What is this attraction called? |
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| What are buffers? How do they help resist shifts in pH ? |
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| Why are hydrocarbons insoluble in water? |
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| How would you describe a geometric isomer? |
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| Research indicates that Ibuprofen, a drug used to relieve inflammation and pain, is a mixture of two enantiomers; that is, molecules that are _________________ of each other. |
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| A compound contains hydroxyl groups as its predominant functional group. What else is true about this compound? |
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| A compound contains amino groups as its predominant functional group. What else is true about this compound? What is not true/false about this compound? |
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| How many molecules of water are needed to completely hydrolyze a polymer that is 11 monomers long? |
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| The number of purines in the DNA strand 5'-AAGAGGAGAAA-3' exceeds the number of pyrimidines. (True/False) |
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Definition
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| How would you define the tertiary structure of a protein molecule? |
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Definition
| three dimensional shape of a fully form of polypeptide |
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| In 1-2 sentences describe what you know about the 5’ end and the 3’ end of a polynucleotide. |
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Definition
| any group of molecules that when linked together from the building blocks of DNA or RNA: composed of a phosphate group, the base adenine, cytosine, guanine and thymine base being replaced by uracil (pentose sugar) |
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Term
| Distinguish between a DNA and a RNA molecule |
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Definition
DNA-double stranded ribose, deoxie ribose sugar, ATGC
RNA=single stranded ribose, ribose sugar, AUGC |
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| Liver is involved in detoxification, so which organelle will be present in abundance? |
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| The cross sectional view shows that basal body and centriole has 9+0 arrangements of microtubules. What kind of arrangement of microtubule is found in cilia and flagella? |
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Definition
| 9+2 arrangements of microtubules |
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| Plasmodesmata in plants are similar to _______ in animals. |
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| Production and modification of polysaccharides are done in ___________. |
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| ___________ contains enzyme s that transfer H from various substrate to Oxygen. |
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| Integral membrane proteins can also be called ______________ proteins. |
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| ____________ serves as receptors or cell recognition molecules on cell surface. |
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| Components found in chloroplasts are __________, __________,___________,___________,___________ |
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Definition
| ribosomes, thylakloid, DNA, Granum, Stroma |
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| _________ and_________________ have their own DNA and ribosomes. |
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Definition
| mitochondrion and chloroplast |
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| Large amount of SER are found in which type of tissues. |
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Definition
| liver, adrin, testies, ovaries, muscles |
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| A cell is populated with large amount of ribosomes and RER. What is this cell type actively producing? |
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| Name the bonds that stabilize the tertiary structure of proteins |
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Definition
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| Name the monomers of proteins, polysaccharides, nucleic acid and fats. |
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Definition
Proteins-Amino
Polyscaccharides-monosaccurides
nucleic acid-nuecleotides
Fats-glycerol-fatty acids |
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| Atomic number of neon is 10. Therefore what is true about this atom? |
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| Describe the route of an enzyme secreted by a pancreatic cell. |
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Definition
| rough ER-Golgi-tras vesical- which fuses with plasma membrane |
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| According to Fluid mosaic model most of the membrane lipids and proteins move _______________ along the plane of the plasma membrane. |
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