What would happen if photosynthesis on earth stopped?
a)all plants and animals would die due to the absence of oxygen and carbohydrates (glucose) for respiration.
b)all plants would die as they wouldn't be able to produce carbohydrates, while animals would survive because they don't carry out photosynthesis.
c)all plants and animals would survive as they can carry out respiration, despite the absence of photosynthesis.

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. b. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. c. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails.

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Which chemical equation is unbalanced? which chemical equation is unbalanced