What is algin?
a. diatomaceous earth used as an insulating material
b. brown algae
c. a substance produced by brown algae used to thicken foods.
d. diatom shells

Which of the four major uses is predicted to change the least by 2020?

Draw the structure of dna nucleotide with adenine as nitrogenous base

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells