Which is true about the DNA Molecule? A.
It is made of many small parts that are separated by proteins.

B.
It is used as a way to defend against intense radiation.

C.
It is an incredibly long molecule with thousands of genes.

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

The number of living organisms in a particular area is

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.