2. True or false: a polio virus needs a host cell to replicate *

Defend or refute the argument that the government has too large a presence in the agriculture industry.

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.