Using any aromatic -amino acid as the example answer the following questions: 1. Draw the Fisher projections of possible stereo isomers and designate their configurations. Which of them takes part in molecules of peptides building?
2. Draw the structure of this -amino acid in isoelectric point (IEP). In what region of pH the IEP is situated?

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

__can be defined as which velocity changes

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean