I think the answer you are looking for is that the stomach is the fourth level of organization.
Answer:
sperm,menstrual, fraternal last one is Umbilical cord
Explanation:
I looked up
Answer:
A. cell wall cross-link formation.
Explanation:
The bacterial cell wall has peptidoglycan which is a heteropolymer of two different monomers. These are N -acetylmuramic acid and N -acetylglucosamine. Peptide cross-links formed by the enzyme transpeptidase join the chains of these monomers together to make multiple layers of the cell wall. Penicillin is an antibiotic that does not allow the enzyme " transpeptidase" to form the cross-linked. The bacteria treated with penicillin lyse in a hypotonic solution.
D. Bright Echo with a comet tail or ring down artifact. I hope this helps, my sister is a nurse so I know a few things.
<span>1.
an organelle, consisting of layers of flattened sacs, that takes up and
processes secretory and synthetic products from the endoplasmic
reticulum and then either releases the finished products into various
parts of the cell cytoplasm or secretes them to the outside of the cell.</span>