Serine, threonine, and tyrosine are most commonly phosphorylated in eukaryotes.
This includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include insects; crabs, lobsters and their kin; snails, clams, octopuses and their kin; starfish, sea-urchins and their kin; and worms. The majority of animal species are invertebrates; one estimate puts the figure at 97%.
Answer:
don't know this one sorry
C. winter solstice because if the North is having summer, the south would be having the opposite due to the direction the earth is tilted in orbit
Chloroplast helps the plants and makes photosynthesis happen
