Ch. 2-4 Review
... d. It causes the enzyme to break up. e. It decreases the chance that the enzyme will meet a substrate molecule. 7. An enzyme is specific. This means a. it has a certain amino acid sequence. b. it is found only in a certain place. c. it functions only under certain environmental conditions. d. it spe ...
... d. It causes the enzyme to break up. e. It decreases the chance that the enzyme will meet a substrate molecule. 7. An enzyme is specific. This means a. it has a certain amino acid sequence. b. it is found only in a certain place. c. it functions only under certain environmental conditions. d. it spe ...
Allosteric enzymes
... Allosteric enzymes often cooperative S binding Allosteric activators and inhibitors: • Bind at allosteric site, not catalytic site • Conformational change ...
... Allosteric enzymes often cooperative S binding Allosteric activators and inhibitors: • Bind at allosteric site, not catalytic site • Conformational change ...
Chapter 03 Lecture PowerPoint - McGraw Hill Higher Education
... enzyme be defective, then the enzyme would likely also be defective ...
... enzyme be defective, then the enzyme would likely also be defective ...
Chapter 3 Biochemistry Section 1 – Carbon Compounds Section 2
... 1. Compare the structure of monosaccharides, disaccharides, and polysaccharides. 2. How are proteins constructed from amino acids? 3. How do amino acids differ from one another? 4. Describe a model of enzyme action. 5. Why do phospholipids orient in a bilayer when in a watery environment, such as a ...
... 1. Compare the structure of monosaccharides, disaccharides, and polysaccharides. 2. How are proteins constructed from amino acids? 3. How do amino acids differ from one another? 4. Describe a model of enzyme action. 5. Why do phospholipids orient in a bilayer when in a watery environment, such as a ...
Biology 231
... diet – protein from meat and other animal tissues, certain plant tissues (eg. seeds, grains), bacteria in digestive tract catabolized in digestive tract and absorbed into blood as amino acids conversion of carbohydrates or lipids to amino acids conversion of one amino acid to another break down of p ...
... diet – protein from meat and other animal tissues, certain plant tissues (eg. seeds, grains), bacteria in digestive tract catabolized in digestive tract and absorbed into blood as amino acids conversion of carbohydrates or lipids to amino acids conversion of one amino acid to another break down of p ...
Transcription and Translation
... a DNA molecule is copied into an mRNA molecule. • Transcription takes place in the nucleus. • Transcription starts when the DNA double helix begins to unwind near the gene to be transcribed. • Only one strand of the DNA is transcribed. • Ribonucleotides assemble along the unwound DNA strand in a com ...
... a DNA molecule is copied into an mRNA molecule. • Transcription takes place in the nucleus. • Transcription starts when the DNA double helix begins to unwind near the gene to be transcribed. • Only one strand of the DNA is transcribed. • Ribonucleotides assemble along the unwound DNA strand in a com ...
Chapter 1-The Chemical Nature of Cells
... The resultant particle consists of a cluster of two or more atoms strongly bound together known as a molecule. When there is more than one type of atom present, the compound produced is termed a molecular compound. The net electrostatic force of attraction between the atoms in the molecule is termed ...
... The resultant particle consists of a cluster of two or more atoms strongly bound together known as a molecule. When there is more than one type of atom present, the compound produced is termed a molecular compound. The net electrostatic force of attraction between the atoms in the molecule is termed ...
Determination of Amino Acid Composition of Cell Culture Media and
... It is evident that the amino acid composition of cell culture supplements, as determined by this method, matches accurately with their theoretical composition. In addition, baseline resolution of isoleucine and leucine was observed with a resolution factor of 4.35 for the protein hydrolysate standar ...
... It is evident that the amino acid composition of cell culture supplements, as determined by this method, matches accurately with their theoretical composition. In addition, baseline resolution of isoleucine and leucine was observed with a resolution factor of 4.35 for the protein hydrolysate standar ...
The Citric acid cycle (2)
... • It also has a central role in gluconeogenesis, lipogenesis, and interconversion of amino acids. – So, components of the cycle have a direct or indirect controlling effects in key enzymes of other pathways. ...
... • It also has a central role in gluconeogenesis, lipogenesis, and interconversion of amino acids. – So, components of the cycle have a direct or indirect controlling effects in key enzymes of other pathways. ...
Chapter 14 Proteins
... ◦ At any pH above (more basic than) its pI, it has a net negative charge. ◦ At any pH below (more acidic than) its pI, it has a net positive charge. ◦ Hemoglobin, for example, has an almost equal number of acidic and basic side chains; its pI is 6.8. ◦ Serum albumin has more acidic side chains; its ...
... ◦ At any pH above (more basic than) its pI, it has a net negative charge. ◦ At any pH below (more acidic than) its pI, it has a net positive charge. ◦ Hemoglobin, for example, has an almost equal number of acidic and basic side chains; its pI is 6.8. ◦ Serum albumin has more acidic side chains; its ...
Biology 30 Unit C 1 Mr. R. Peebles Biology 30
... polymerases III • Nucleotides originating from protein found in food 4. RNA primers are removed by DNA polymerases I (replacing with DNA instead of RNA) 5. Ligase joins any gaps between sugarphosphate molecules 6. When complete, 2 identical DNA molecules are present. ...
... polymerases III • Nucleotides originating from protein found in food 4. RNA primers are removed by DNA polymerases I (replacing with DNA instead of RNA) 5. Ligase joins any gaps between sugarphosphate molecules 6. When complete, 2 identical DNA molecules are present. ...
Review Ribosome-independent Peptide Synthesis in Nature and
... reported (44). Obviously, the direct fermentation method is the most cost-effective for dipeptide manufacturing since it dose not need even the substrate amino acids. However, there has been little insight into balancing two metabolic fluxes or the intracellular fate of dipeptides, those of which ar ...
... reported (44). Obviously, the direct fermentation method is the most cost-effective for dipeptide manufacturing since it dose not need even the substrate amino acids. However, there has been little insight into balancing two metabolic fluxes or the intracellular fate of dipeptides, those of which ar ...
Chapter 3 Lecture notes
... and may be either unbranched or branched. Animals can hydrolyze this polymer to obtain glucose. NOTE: The unbranched form of starch is called amylose. The branched form is called amylopectin. Starches rich in amylopectin retain water and are often used in frozen foods. This can also be used to illus ...
... and may be either unbranched or branched. Animals can hydrolyze this polymer to obtain glucose. NOTE: The unbranched form of starch is called amylose. The branched form is called amylopectin. Starches rich in amylopectin retain water and are often used in frozen foods. This can also be used to illus ...
NOTES: 13.1-13.2 - Protein Synthesis (powerpoint)
... • special base sequences in DNA are recognized by RNA as “start” and “stop” signals – “Start” sequence called PROMOTER region of DNA ...
... • special base sequences in DNA are recognized by RNA as “start” and “stop” signals – “Start” sequence called PROMOTER region of DNA ...
Proteins, Enzymes, Nucleic Acids Proteins What are the buildi
... ions (H+) will block the negative charges of the active site in an acidic solution and hydroxide ions (OH_) will block the positive charges of the active site in a basic solution. Substrate Concentration: As substrate concentration increase, so will the rate of reaction up to a certain point. Here, ...
... ions (H+) will block the negative charges of the active site in an acidic solution and hydroxide ions (OH_) will block the positive charges of the active site in a basic solution. Substrate Concentration: As substrate concentration increase, so will the rate of reaction up to a certain point. Here, ...
practice midterm answers
... Quarternary structure of proteins Allosteric interactions Multiple Choice 1) The role of an enzyme in an enzyme-catalyzed reaction is to A) bind a transition state intermediate, such that it can be converted back to a substrate B) ensure that all substrate is converted to product C) ensure that prod ...
... Quarternary structure of proteins Allosteric interactions Multiple Choice 1) The role of an enzyme in an enzyme-catalyzed reaction is to A) bind a transition state intermediate, such that it can be converted back to a substrate B) ensure that all substrate is converted to product C) ensure that prod ...
103 final review worksheet
... 47. Draw a graph of reaction rate vs. substrate concentration for an enzyme catalyzed reaction where the substrate concentration is not held constant, but instead the substrate gets used up during the experiment. ...
... 47. Draw a graph of reaction rate vs. substrate concentration for an enzyme catalyzed reaction where the substrate concentration is not held constant, but instead the substrate gets used up during the experiment. ...
39 Synthesis and Degradation of Amino Acids
... Important coenzymes: Pyridoxal phosphate (derived from vitamin B6) is the quintessential coenzyme of amino acid metabolism. In degradation, it is involved in the removal of amino groups, principally through transamination reactions and in donation of amino groups for various amino acid biosynthetic ...
... Important coenzymes: Pyridoxal phosphate (derived from vitamin B6) is the quintessential coenzyme of amino acid metabolism. In degradation, it is involved in the removal of amino groups, principally through transamination reactions and in donation of amino groups for various amino acid biosynthetic ...
2008 CELL BIOLOGY – TRAINING HANDOUT
... Enzymes are catalysts. They lower activation energy and remain unchanged by the reaction because they do take part in the reaction. Enzyme vs. other catalysts: enzymes are very specific and only work on one or a few molecules substrate: molecule(s) upon which enzyme works active site: part of enzyme ...
... Enzymes are catalysts. They lower activation energy and remain unchanged by the reaction because they do take part in the reaction. Enzyme vs. other catalysts: enzymes are very specific and only work on one or a few molecules substrate: molecule(s) upon which enzyme works active site: part of enzyme ...
Translation
... 1. Use Figure 22.3 to determine which template strand DNA sequence (written in the 5' → 3' direc on) specifies the tripeptide with the sequence gly‐ala‐leu. A) GGGGCTCTC B) CTCTCGGGG C) CCCCGAGAG D) GAGAGCCCC 2. Which is not true about the genetic code? A) Some amino acids share the same codon ...
... 1. Use Figure 22.3 to determine which template strand DNA sequence (written in the 5' → 3' direc on) specifies the tripeptide with the sequence gly‐ala‐leu. A) GGGGCTCTC B) CTCTCGGGG C) CCCCGAGAG D) GAGAGCCCC 2. Which is not true about the genetic code? A) Some amino acids share the same codon ...
Protein Structure
... • The tertiary structure is the final specific geometric shape that a protein assumes. • This final shape is determined and stabilized by a variety of bonding interactions between the side chains of the amino acids • These bonding interactions between side chains may cause a number of folds, bends, ...
... • The tertiary structure is the final specific geometric shape that a protein assumes. • This final shape is determined and stabilized by a variety of bonding interactions between the side chains of the amino acids • These bonding interactions between side chains may cause a number of folds, bends, ...
Final Exam - UC Davis Plant Sciences
... This exam consists of 8 questions. A maximum of 100 points can be earned. Partial credit will be given. There are a total of 12 pages, including the cover page and one blank sheet at the end for notes. However, do not use the blank sheet for your final answers. If you need more space, use the back o ...
... This exam consists of 8 questions. A maximum of 100 points can be earned. Partial credit will be given. There are a total of 12 pages, including the cover page and one blank sheet at the end for notes. However, do not use the blank sheet for your final answers. If you need more space, use the back o ...
Catabolism
... Carbohydrates and other nutrients serve two functions in the metabolism of heterotrophic microorganisms: 1. They are oxidized to release energy 2. They supply carbon or building blocks for the synthesis of new cell constituents. • Amphibolic pathways: function both catabolically and anabolically ...
... Carbohydrates and other nutrients serve two functions in the metabolism of heterotrophic microorganisms: 1. They are oxidized to release energy 2. They supply carbon or building blocks for the synthesis of new cell constituents. • Amphibolic pathways: function both catabolically and anabolically ...
Introduction to Protein Structure
... After binding the two substrates, the enzyme may need to change its shape in order to position them closer together. In addition, the chemistry may need to be protected from the aqueous environment -for example, a charged molecule may be more attracted to water than to the second molecule involved i ...
... After binding the two substrates, the enzyme may need to change its shape in order to position them closer together. In addition, the chemistry may need to be protected from the aqueous environment -for example, a charged molecule may be more attracted to water than to the second molecule involved i ...