This model shows a human embryo. What can you determine about its development from the model? It has a postanal tail.
It’s a vertebrate
It has pharyngeal arches.
It has fully developed organ systems.

it has a postanal tail

Explanation:

i did this a couple days ago and i got it right, it might be wrong tho, if it is I forgot. but hope it's right.

i don’t no. suiopgohjk

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.