1. An organism with only one kind of enzyme (two alleles that are the same) is said to be what?

2. An organism with two different versions of one kind of enzyme (two alleles that are not the same) is said to be what?

3. What kind of biomolecule is hemoglobin?

4. Explain the difference between Hemoglobin A (Normal) and Hemoglobin S (sickle cell) in terms of their chemical structure and resulting function.

Please explain as detailed as you can

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.