Nanotechnology is the study of using extremely small things across many fields of science. Some scientists have discovered that this technology allows researchers to make targeted changes to the DNA of plants that can help reduce the use of pesticides. What field
of science is being used by nanotechnology in this example?

A.) biology
B.) chemistry
C.) engineering
D.) physics

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Which structure in the cardiovascular system connect arteries to veins?

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.