HELP! Of the following, what is the most important for ATP production?
A) amount of sunlight
B) carbon dioxide
C) concentration water concentration
D) glucose concentration
E) oxygen concentration

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Is there any solid scientific evidence that humans have been cloned?