Which structural characteristic is found in both prokaryotic cells and eukaryotic cells? a. a cell membrane b. circular dna c. a nucleus d. lysosomes

Ascientific idea becomes valid when it is what?

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter