A chromosome that lacks a centromere would best be described as . a. heterochromatin
b. a single chromatid
c. in a duplicated state
d. a pair of sister chromatids

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

If animal agriculture was eliminated, how much grain would become available for human consumption?

What is gene expression control that occurs after the generation of rna