What is a hypothesis?
O
A. A conclusion that you make about an experiment
O
B. The technology used in an experiment
O
C. The way an experiment is performed
O
D. An educated guess of the answer to a question

Which of the following would most likely be key to gathering evidence that the rna world hypothesis is valid? creation of suitable environments for long-term study of single-celled organisms simulation of early earth conditions and long-term study of the resulting molecules development of a system for studying the microsphere's ability to absorb additional molecules categorization of the different specific conditions that result in the development of microspheres

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Is this mrna or rna need need the answer in a hurry