Before an olfactory receptor can detect an odorant, it has to:

Which of the following is the main purpose of a human community?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?