Term
| What is the storage form of glucose? |
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Definition
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Term
| Polysaccharides are used for what? |
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Definition
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Term
| What sugar is a key component of nucleic acid, ribose and deoxyribose? |
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Definition
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Term
Sucrose is made from what two sugars?
Lactose is made from what two sugars? |
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Definition
-glucose and fructose
-glucose and galactose |
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Term
| What is a short chain (10-12) sugars and is important in living systems? |
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Definition
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Term
| What 3 components are nucleotides composed of? |
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Definition
| nitrogeneous base, pentose sugars, phosphate |
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Term
| What holds the base pairs (2 complementary strands of nucleotides) together in DNA? |
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Definition
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Term
| T/F DNA sythesizes from 3' to 5'? |
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Definition
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Term
| What controls the passage of materials into and out of cell? It also serves as barrier b/w internal and external environment and maintains ion and charge gradient |
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Definition
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Term
| What are the 3 functions of the plasma membrane? |
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Definition
| enzymes, transport proteins, receptors |
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Term
| What type of proteins extend all the way through the membrane, on both sides? |
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Definition
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Term
| What sugars act as recognition sites and are important as self determinants for immune system? |
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Definition
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Term
| What are eukaryotes? What are prokaryotes? |
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Definition
eukaryotes have nucleus
prokaryotes dont have a nucleus |
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Term
| What part of cell is responsible for genetic information? DNA |
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Definition
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Term
| T/F the nuclear envelope is a double membrane? |
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Definition
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Term
| What regulates the passage of material between nucleus and ctoplasm? It is an opening. |
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Definition
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Term
| What is DNA packaged with histone proteins? |
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Definition
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Term
| What is very compact, dense chromatin? |
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Definition
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Term
| What is active DNA, they are spread out and dispearsed? |
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Definition
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Term
| What is the site of synthesis and organization of ribosomes (structures used in protein synthesis? |
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Definition
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Term
| What is function of DNA? (2) |
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Definition
| To provide continuity of genetic info to next generation of cels. Provides exact copies. Also serves as transcription of DNA to mRNA for protein synthesis. |
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Term
| What are continuous with outer membrane of nuclear envelope, and are interconnected network to tubular membranes and flattened sacs? |
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Definition
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Term
| T/F RER has ribosomes attached on its membranes? |
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Definition
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Term
| T/F SER is responsible for protein synthesis? |
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Definition
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Term
| What 3 proteins do RER synthesize? |
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Definition
| secreted proteins, lysosomal proteins, and membrane proteins |
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Term
T/F (1) Because SER has no ribosomes, there isn't protein synthesis?
(2) SER syntheisizes lipids and sugars?
(3) SER detoxifies some drugs? |
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Definition
(1) True
(2) False - lipids and steroids
(3) True |
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Term
| What are stacks of flattened sacs responsible for processing and packaging of secreted proteins, integral membrane proteins, and lysosomal proteins? |
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Definition
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Term
| Golgi Complex receives proteins from RER via? |
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Definition
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Term
| What completes glycosylation of glycoproteins? |
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Definition
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Term
| What is called the "recycling center, and is distinguished by presence of acid phosphatase? And are Acidic? |
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Definition
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Term
| What hydrolytic enzymes that promote breakdown are seen in lysosomes? |
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Definition
| lipases, proteases, nucleases, carbohydrases. |
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Term
| What are the 4 classes of macromolecules and the building blocks of each? |
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Definition
-proteins - amino acids
-nucleic acids - nucleotides
-lipids - fatty acids
-polysaccharides - sugars |
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Term
| What type of bond connects the monomers of: (1)proteins (2)nucleic acids (3)polysaccharides? |
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Definition
(1)peptide bonds
(2)phosphodiester bond
(3)glycocidic bond |
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