10. Label the following parts of a Phospholipid in the boxes provided: Two fatty acid chains, glycerol, phosphate group and choline. Identify which part of the molecule is
polar (hydrophilic) and which part is nonpolar (hydrophobic)

pls help me with this i have no idea what the answer is

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?