Which statement(s) are true about mutations? (select all that apply) a .They can be neutral
b. They are only heritable if they occur in gametes
c . They are always heritable
d. They can be beneficial

The first amino acid of a new polypeptide chain is

Where are the strongest jet streams located?

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.