Which of these tools is used to transfer a gene into an animal?

a. molecular scissors
b. vector
c. ligase enzyme

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

What is the process of pulling apart an n2 molecule nevermind i got it

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.