Jmu bio 140 lab - Study guides, Class notes & Summaries

JMU Bio 140 Lab Final Questions and Answers 2022 | 100% Verified Answers JMU Bio 140 Lab Final Questions and Answers 2022 | 100% Verified Answers

JMU Bio 140 Lab Checkpoint Quiz 5-12 Questions and Answers (2023/2024) (Verified Answers)

Why is it important to post-rinse when pipetting volumes less than 20 microliters? A. Small volumes may not get expelled completely due to surface tension. B. You can't accurately pipette less than 20 microliters. C. You don't need to post rinse small volumes. D. Small volumes will evaporate prior to transfer. - A. Pipettors are most accurate in the middle to top end of their volume range. True False - True How can contamination be prevented in the laboratory? A. Keeping test tubes an...

JMU BIO 140 Lab Exam (2023/2024) Questions and Answers (Verified Answers)

What are the parts of the process of science? - -exploration and discovery -testing ideas -community analysis and feedback -benefits and outcomes What occurs during exploration and discovery? - -making observations -asking questions -sharing data and ideas -finding inspiration -exploring the literature What occurs in testing ideas? - -gathering data (hypothesis, expected results, and actual results) -Interpreting data (support/oppose hypothesis, inspire new hypothesis, inspi...

The variable that is manipulated in an experiment is typically called the: a) independent variable b) dependent variable c) control d) causal variable - a This is defined as a proposed explanation for an observation a) experiment b) conclusion c) prediction d) hypothesis - d Type of study that tests a hypothesis but does not manipulate any variables a) quantitative b) non-experimental c) experimental d) descriptive - b

What are the parts of the process of science? - -exploration and discovery -testing ideas -community analysis and feedback -benefits and outcomes What occurs during exploration and discovery? - -making observations -asking questions -sharing data and ideas -finding inspiration -exploring the literature What occurs in testing ideas? - -gathering data (hypothesis, expected results, and actual results) -Interpreting data (support/oppose hypothesis, inspire new hypothesis, inspire revi...

JMU BIO 140 LAB FINAL EXAM REVIEW QUESTIONS AND ANSWERS, VERIFIED. 45.3 µL (microliters) = ________ mL (milliliters) a) 0.0453 mL b) 4,530 mL c) 0.00453 mL d) 45,300 mL - -a A laboratory might use ddNTPs (dideoxyribonucleotides) to _____. a) sequence a DNA fragment b) Separate DNA fragments c) visualize DNA expression d) clone the breakpoints of cut DNA - -a A scientist wishes to determine the effect of a digestive enzyme on starch digestion (starch is broken down into gluc...

Why is it important to post-rinse when pipetting volumes less than 20 microliters? A. Small volumes may not get expelled completely due to surface tension. B. You can't accurately pipette less than 20 microliters. C. You don't need to post rinse small volumes. D. Small volumes will evaporate prior to transfer. - A. Pipettors are most accurate in the middle to top end of their volume range. True False - True How can contamination be prevented in the laboratory? A. Keeping test tubes an...

JMU Bio 140 Lab Checkpoint Quiz 5 - 12 Questions and Answers 2023 | 100% Verified Answers JMU Bio 140 Lab Checkpoint Quiz 5 - 12 Questions and Answers 2023 | 100% Verified Answers