You rush through your lab activity and obtain a percent error of 50 percent. Why might your percent error be so high?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Nerve cells are specialized to respond to stimulitrue or false?

Which of these is not a nucleotide base found in dna?