The researchers in Chernobyl were instructed to wear masks when they were taking hair samples, digging in the soil and when it was windy, but not at other times. This was due to the fact that under these conditions scientists were at
the greatest risk of either coming in contact with, or ingesting, highly radioactive material that could possibly be
detrimental to their long term health and safety.
Select one:
True
False

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria