Straighterline Microbiology Lab BIO250L Lab 1 Introduction to Science Quiz 2023

Straighterline Microbiology Lab BIO250L Lab 1 Introduction to Science Quiz 2023 Hello We are a team of experts offering course attendance for all Straighterline, Portage Learning, Sophia etc courses. We also write essays, research papers and school assignments. Should you need any of these services, Contact us via email: or : +1 (908) 954-4829. Guaranteed Passing!  BIO250LAB_ESL_V2  Lab 1 Introduction to Science Started on State Finished Completed on Time taken 12 mins 43 secs Grade 60.00 out of 60.00 (100%) Feedback You’re off to a good start. A course grade of 70% is required to request a transcript. Y reattempt for a higher grade you can retake this assessment. Study hard for each exam, Remember that 10 hours of tutoring are provided to you through your StraighterLine m Question 1 Correct 6.00 points out of 6.00Flag question Question text What should you do with unused chemicals? Select one: a. Return them to their original containers b. Throw away with regular trash c. Dispose of them as instructed on the safety sheet d. Automatically dump them down the sink Question 2 Correct 6.00 points out of 6.00 Flag question Question text When plotting the number of bacterial colonies over time, time should be on the x axis. Select one: a. True b. False Question 3 Correct 6.00 points out of 6.00 Flag question Question text What type of microscope would you use to examine an exceptionally minute microorganism, such as a virus?Select one: a. Dissection b. Compound c. Confocal d. Electron Question 4 Correct 6.00 points out of 6.00 Flag question Question text Where can a chemical’s MSDS (SDS) be found? Select one: a. Free on the eScience Labs website. b. Online, but you have to pay for access. c. In your science textbook. Question 5 Correct 6.00 points out of 6.00 Flag question Question text It is safe to eat or drink while performing an experiment. Select one: a. True b. False Question 6 Correct 6.00 points out of 6.00Flag question Question text Which part of the microscope adjusts the level of light? Select one: a. Diaphragm b. Revolving nosepiece c. Stage d. Ocular lens Question 7 Correct 6.00 points out of 6.00 Flag question Question text You should read the MSDS to learn about each of the chemicals included in the lab kit. Select one: a. True b. False Question 8 Correct 6.00 points out of 6.00 Flag question Question text How many significant digits are in the number 0.0064080?Select one: a. 4 b. 8 c. 5 d. 7 Question 9 Correct 6.00 points out of 6.00 Flag question Question text A study is being done to test the effects of temperature on the number of microbial colonies. Four different incubators are set up, each at a different temperature with one culture plate in each. Each plate has the same nutrient content, pH, and are inoculated with microorganism samples from the same source. At the end of the experiment, the number of colonies on each plate is counted. What is the independent variable? Select one: a. Temperature of the incubator b. The number of colonies on each plate c. The nutrients available. d. The pH. Question 10 Correct 6.00 points out of 6.00 Flag question Question text Gloves serve two purposes: to protect your hands from exposure to microorganisms, and prevent contamination of cultures by limiting the spread of microbes from your skin onto the plate.Select one: a. True b. False