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Part A - Bond Formation
While writing your lecture notes, you are trying to develop a way to impart to your students how the removal of a water molecule, a hydroxyl and a hydrogen atom, will be used in making macromolecules. A molecule is a collection of atoms joined through different types of bonds. A macromolecule is the joining of numerous molecules into something that is relatively quite large. The addition of a molecule to a macromolecule, as well as the removal of a molecule from the macromolecule, involves a molecule of water. From past experience you are aware that when you state this to your students many will unfortunately assume you are referring to liquid water. Your students must understand that in biological reactions water, H2O, is actually a hydroxyl group (-OH) and a hydrogen atom (H+) that will be removed or added when altering macromolecules. A dehydration synthesis (removal of water) reforms atomic bonds between molecules to create a larger macromolecule. In a dehydration reaction, a hydroxyl group is removed from one reactant molecule while a hydrogen atom is stripped from another reactant molecule.
How does ethylene affect ripening of fruit? What did you think was going to happen in this experiment and why? You may find it helpful to state your answers to these questions as an "if-then" hypothesis-prediction.
Calcium channel blockers, a type of anti-hypertensive drug, block the entry of calcium into smooth muscle which causes smooth muscle to relax. Explain how this decreases blood pressure
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Calculate the generation time when an exponentially growing cell population increases from 5 x 10^6 cells/ml to 5 x 10^8 cells/ml in 8h. Calculate the number of cells/ml in a sample after counting a total of 143 cells in 25 squares of a counting c..
What is a step of rho dependent termination?
How can we as citizens improve communication strategies during disease outbreaks?
How may this capacity be an advantage to the cell.
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Since a doughnut contains a large quantity of energy that can become available for our metabolism when eaten, why isn't the doughnut "jumping" all over the counter or hot to the touch.
Yeast grows as a haploid cell. In the wild type cells in presence of O2, the pH of mitochondrial matrix is 8, however in cells along with this mutant S gene, the pH is 7. Explain all these results.
What is the phenotypic ratio for the F2 generation? Demonstrate the work, including your key. what are Harry and Sally's blood types? Show your work. What if blood typing exposed Harry had type O blood.
Describe how microfilaments polymerize from their monomer components. Include a description of the protein component(,0) treadmilling, and the role of ATP and capping proteins.
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