Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethylalcohol and CO2. Which conclusion can be made from these observations?

Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele