Achemical reaction that transfers energy from the reactants to the surroundings is referred to as elastic. true or false?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

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.

How do the sperm cells get from the stigma to the ovules?