Carbohydrates like starch and cellulose are made up of units known as

a) fatty acids
b) amino acids
c) glucose
d) glycogen

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

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above