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Which of the following factors determines an enzyme's specificity? A.The three-dimensional shape of the active site B.The type of cofactor required for the enzyme to be active C.The Michaelis constant
The growth rate of potential pathogens has important implications for food safety If salmonella has a generation time of 1 hr on the surface of thawed poultry how much will the concentration of
Quetion 1: how to sterilize tissue taken from patients? Question 2: Why are transport vesicles needed to transport materials from the inside of the endoplasmic reticulum to the inside of the Golgi
Question 1: Compare and contrast the three types of ATP phosphorylation. Question 2: What do you predict would happen to the shape of the growth curve if you were to subculture Vibrio growing in log
The vast majority of drugs work on which typ of cell recetor? A.Enzyme-coupled receptors B.G-protein coupled receptors C.Sodium/Potassium Pump D.Ion-channel coupled recetpors
Which protein produced by the body has a Y-shaped conformation? A.Antibodies B.Alpha helix C.Chaperones D.Enzymes
Which is influenced most during a slow signaling cascade? A.Enzyme activity B.Translation C.Protein degredation D.Transciption E.Quaternary Structure F.B and D G.D and E
Write down the equation for the dynamics of gene identify (G) for a model that includes both the Wright-Fisher model for genetic drift and the infinite-alleles model for mutation. Then provide the a
If you found a single cell with two nuclei, what explanation might be true? A) Mitosis must have happend twice B) cytokinesis occurred without mitosit C Mitosis occurred without cytokinesis D) the c
Question 1: Why are the genotype frequencies predicted by the Hardy-Weinberg equations referred to as an "equilibrium"?
Question 1: What is the role of calcium? in physiology in muscle. Question 2: Can you explain what is the role of t-bules? and also sarcoplasmic reticulum as well.
Question 1: What tissue type undergoes mitosis but not cytokinesis Question 2: Explain the metabolic path way of rhodopseudomonas.
Use the periodic table to identify some of the similarities and differences in atomic structure among different elements (for example, oxygen, carbon, and helium). How does the configuration of the
Question 1: how are they similar : starch, cellulose, dextran and glycogen are polysaccharides Question 2: Using the Henderson-Hasselbalch equation, calculate the pH of an acetic acid/acetate buffer
Question 1: What is the pH of a 0.05 M solution of TRIS acid (pKa=8.3)? Question 2: If you analyized the PH of Tris and phosphate and you wished to get it to a desired Ph and added HCl in order to g
Question: What is the typical size ranges for the following? Give your answers for each using the following three units of measure 1. Bacteria a) Typical range size in Millimeters b) Typical range si
Question 1: Why are Type II restriction enzymes more useful in the laboratory than Type I or III? Question 2: Name the enzyme that hydrolyzes DNA and RNA in molecules.
Describe how outpatient pharmacies differ from inpatient pharmacies in each of the following areas: 1. tasks performed by the pharmacy technician 2. scheduling/ work hours
During the process of glycolysis, the potential energy in the chemical bonds of glucose is transferred to... a) Pyruvate only b) NADH only c) ATP only d) ATP and NADH
Question 1: How would anaphase be disrupted if a key protein in the kinetochore was inactivated? Question 2: What would happen to the cromosomal locations if all microtubules in the cell were depolyme
Question 1: Where in the body does salivary lipase become activated, and why? Question 2: Why is meiosis reduction division?
What common household products work by means of an enzyme. Indicate how you know they work with an enzyme.
Describe the fluid mosaic model of membrane structure.Your answer should be divided into three sections that address: 1) the chemical nature of the lipids that comprise the membrane and their spatial
Question 1: How many different alleles are one mutational step away from an allele at a locus that is 3000 nucleotides in extent? Question 2: How many are two mutational steps away?
Please discuss the four types of hypersensitivity reactions. Your essay should include a general description of each type of hypersensitivity reactions, as well as two examples for each.