Apopulation of bacteria is treated with hand sanitizer. because of genetic variation in the population, what is the possible outcome? a. all of the bacteria are already resistant b. they will get better at obtaining a food source c. the population will grow quickly d. some of the bacteria may be resistant and survive.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Why do carbohydrate molecules function so well as fuel for the body?

What are tissues? a groups of tissues that work together b basic units of structure and function c groups of cells that perform the same function d multiple organs that perform a major function