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A heterozygous tall pea plant, Tt, is self-fertilised. What are the offspring most likely to be?
a. all tall plants
b. all plants of medium height
c. one tall plant to three short plants
d. three tall plants to one short plant

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

69 is the correct math for the amino acids

it provides an alternative energy pathway for the reaction to proceed.

a catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

catalysts increase the rate of reaction without being used up. they do this by lowering the activation energy needed. with a catalyst, more collisions result in a reaction, so the rate of reaction increases. different reactions need different catalysts.

a catalyst works by providing an alternative reaction pathway to the reaction product. the rate of the reaction is increased as this alternative route has a lower activation energy than the reaction route not mediated by the catalyst.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.