How do prokaryotic cells differ from eukaryotic cells? a. unlike eukaryotic cells, prokaryotic cells do not have any membrane-bound organelles. b. unlike eukaryotic cells, prokaryotic cells do not have any chromosomes. c. unlike eukaryotic cells, prokaryotic cells do not have a cell wall. d. unlike eukaryotic cells, some prokaryotic cells move using cilia or flagella?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.

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.