Which of the four macromolecules helps with protection of bone, insulates/builds long term energy storage against the cold, and waterproofs for organisms like ducks? a carbohydrates
b lipids
c proteins
d nucleic acids

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

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.