Cholesterol is a component of cell membranes and is an example of which type of lipid?.

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?