Experiment for dilution - Study guides, Class notes & Summaries

BIOD 171 FINAL EXA M 2022 Portage Learning FINAL EXAM 1. True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 2. What is the smallest biological unit of life? A cell. 3. At a generalized level, all cells are comprised of what? Macromolecules* *A student ma...

ATI TEAS 7 Exam Test Bank 300 Questions with Answers A+ Latest l ATI TEAS 7 Exam Test Bank 300 Questions with Answers A+ 1. How are carbohydrates used by the body? Choose ALL answers that apply. • structure • Communication • storage • Recognition 2. What type of immunity does a vaccine provide? Choose only ONE best answer. • naturally acquired passive immunity • Artificially acquired passive immunity • Naturally acquired active immunity • Artificially acquired acti...

Portage Learning BIOD 171 Lab Exams 1-8 Lecture Exams 2022 Lecture Exams 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temperature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your answer. ...

CBNS 120 SAMPLE MIDTERM EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+/ A defining feature of an excitable cell is - -The presence of voltage gated channels At the equilibrium potential for given ion - -The diffusional force equals the electric force No net flow of ions occurs across the membrane Conductance is - -The result of permeability plus ions The reciprocal of resistance Influenced by movement of gating charge Conduction velocity increases with - -Increasing membrane resistance ...

if the p-value is greater than 0.1, we generally conclude the data are consistent with the null hypothesis - true what is the best way to characterize the random error present in a measurement? - take replicate measurements of your analytes and using the standard deviation and a t-table specify an error bar with a confidence limit statistical interference assesses whether an observed phenomenon in the data can reasonably be attributed to chance or not - true suppose we collecte...

AAMC FL 4 CP Exam Questions and Answers Limestone does NOT decompose when heated to 900 K because, at 900 K, ΔH is: -Answer- positive and greater than TΔS. The reaction does not occur (is not spontaneous). This indicates that ΔG = ΔH - TΔS > 0. From inspection of the reaction, it can be concluded that ΔS > 0 (a gas evolves). Consequently, ΔH > TΔS explains why the reaction does not occur. Entropy -Answer-Increases if we go from solid reactant to gas product = positive delt...

BIO 250L Microbiology Lab 4 Selective Media & Agar: Questions With 100% Correct Answers | Latest Update Graded A+. Why is cow manure used as a potential source of starch-degrading bacteria? (If you are not familiar with the process of digestion in cows, use a reputable internet source to inform your answer.) Because cows eat a high-fiber diet that includes starch, the feces of a cow manure is low in protein but high in starch. 2. What are some other potential sources of starch-degrading bac...

MI Unit 1 Test Questions and Answers Already Passed __________have surface ________where _______attach Pathogens, antigens, antibodies "Against life" Antibiotic 1uL of a sample is pipetted into 9uL dilution tube. The concentration of the tube is now 500 ng/mL. If you do a serial dilution adding of 1uL sample into 9uL dilution tube, into three more tubes, what is the final dilution of the last tube? 1/10000 50uL of a sample is pipetted into a 100uL dilution tube. The concen...

ACS Chemistry Final Exam 182 Questions with Verified Answers Layout of an element (mass # & atomic #) - CORRECT ANSWER atomic number = - CORRECT ANSWER # of protons mass number = - CORRECT ANSWER # of protons + neutrons the number of protons in a neutral atom will equal the - CORRECT ANSWER # of electrons how to find the correct number of neutrons - CORRECT ANSWER mass number - atomic number Forms of the same elements that differ in amount of neutrons - CORRECT ANSWER isotopes...

How are carbohydrates used by the body? Choose ALL answers that apply. • structure (Answer) • Communication (Answer) • storage (Answer) • Recognition What type of immunity does a vaccine provide? Choose only ONE best answer. • naturally acquired passive immunity • Artificially acquired passive immunity • Naturally acquired active immunity •Artificially acquired active immunity`(Answer) Which organs and/or glands are superior to the liver? Choose ALL answers that a...