Answer the following with complete solutions A sample of yeast extract has been analyzed of its invertase activity. Theeffect of temperature on the invertase activity was monitored using thesame dinitrosalicylic acid assay used in your experiment in the laboratory.Refer to the data below.What is the amount of sucrose hydrolyzed (in mg/mL) at optimumtemperature ? Absorbance0.70.60.50.40.30.20.10-0.1Temperature (°C)253545557090Absorbance0.0450.1550.2100.2400.1750.075Sucrose Standard CurveAmount of sucrose hydrolyzed (mg/ml)10

Invertase is the enzyme that catalyze the hydrolysis of sucrose in fructose and glucose. Sucrose is…

Answered: A sample of yeast extract has been…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question 27 The major extracellular cation is: O Phosphate O Chlorine Calcium Sodium Potassium
Question 5 The frequency of H=0.7 and the frequency of h=0.3. What is the frequency of HH?
Question 7 The frequency of H=0.7 and the frequency of h=0.3. What is the frequency of hh?
Question 8 of 26 Suppose a drug molecule binds to a protein target. Complete the table which describes possible noncovalent interactio (NCI) in the binding site. Assume the drug has a variety of types of polar and nonpolar regions. Type of NCI ionic interaction dipole-dipole Species able to form that NCI any species with permanent dipoles (C=O, etc.) H bonded to N, O, or F and a lone pair on N.O.or F Answer Bank dielectric size; type of charge ions; charged species hp dispersion Parameters affecting the NCI hydrogen bond strength and orientation of dipole orientation polarizability; size; molecular weight
Question 29 0.8 / 4 points Which of the following types of ion channels are involved in propagating an action potential? **Mark all that apply** leaky Na+ channels ligand-gated K+ channels voltage-gated K+ channels voltage-gated Ca+2 channels voltage-gated Na+ channels
Question 28 The effect of sympathetic stimulation on the eye is: O Pupillary dilation, muscular relaxation O Pupillary constriction, muscular relaxation O Sympathetic nerves do not affect the eyes O Pupillary dilation, muscular contraction O Pupillary constriction, muscular contraction
Question 12 (5.333 points) Listen A 1-year-old child weighing 26 lbs is prescribed ibuprofen 60 mg orally every 6 hours. The nurse has ibuprofen suspension 100 mg/5 mL on hand. The safe dose range is 5-10 mg/kg every 6-8 hours for a maximum of 40 mg/kg/day Blank 1: Calculate the single safe dose range in mg/dose: (round to nearest tenth) Blank 2: How many mL would this dose be to administer? (round to nearest tenth) Blank 3: Should the nurse administer this dose (yes/no, if no, why?) Blank # 1 Blank # 2 Blank #3 Question 13 (4.444 points) Listen A/ A 38 lb child is prescribed phenobarbital 10 mg orally every 12 hours. The nurse has phenobarbital 15 mg/5 mL in the med cart. The SDR is 1 to 6 mg /kg daily in two divided doses not to exceed 100 mg/day.
QUESTION 50 The brain receives a lower rate of blood flow when a person goes from a state of rest to a state of exercise.TrueFalse
Question 19 The client with inflammatory bowel disease has the following blood test results. Identify the correct interpretation: Patient Normal Range Hgb (hemoglobin): 108 (130 - 180 g/L (Male); (115 - 165 g/L (Female)) Leukocytes: 10.5 (4.0 - 11.0 x 109/L) HCT (hematocrit): 0.35 (0.400 - 0.540 L/L (Male)) (0.370 - 0.470 L/L (Female)) Platelets: 350 (150 - 400 x 109/L) Question 19 options: Anemia Hypoalbuminemia Infection Dehydration
Question 21 A DRG is based on the following except a patient's: A Secondary diagnosis B) Principal procedure Principal diagnosis D. Discharge diagnosis
QUESTION 5 You plan to run a standard curve of BSA to determine the concentration of protein in an unknown sample. You begin with a stock solution of BSA, 2.5 mg/mL, and require a final volume of 500 μL. Select the most appropriate response to complete the dilution table shown below. Table. Volume of BSA stock and water required to prepare BSA standards. BSA concentration in standard Vol. of Stock (µL) Vol. of water (µL) (ug/mL) 0 0 500 100 20 480 250 50 450 700 1200 1500 1700 240 300 340 260 200 160 Vol. of Stock 40 μ L, Vol. of water 460 μL O Vol. of Stock 14000 μ L, Vol. of water 3.6 mL O Vol. of Stock 140 μL, Vol. of water 360 μL O Vol. of Stock 0.0025 mL, Vol. of water 500 μL O Vol. of Stock 1400 μ L, Vol. of water 3600 μL
Question 44 Uncertainty of measurement is calculated to give the scientist wiggle-room in their results. O True O False

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