Answer:
The only correct answer is D) dura mater ..brain protection
Explanation:
Allantois helps the embryo exchange gases and handle liquid waste, it does not do food absorption, yolk sac is not embryonic bladder, chorion does the gas exchange not amnion, peritoneum is the abdominal protection not heart.
The most obvious way we can establish and maintain a healthy coastal ecosystem is by recycling all recyclable materials and trying to live with as little waste as possible. Also, using clean transportation, such as biking and such, would help slow down air pollution; giving sealife clean air to breathe.
Answer:
The production of peptides linking aminoacids through peptidic bonds
Explanation:
Chemically, peptides are synthesized by condensation where the carboxyl group of one amino acid is linked to the amino group of the other amino acid. The most common way to make a chemical peptide synthesis is linking first the carboxyl end of one amino acid to the amino group, not in the other direction. The opposite reaction, starting from the amino end and linking to the carboxyl end, is made in biosynthesis made by living organisms.
Just draw a dot and cross diagram showing covalent bonding between sodium and chlorine.
The single mother would be considered to be a member of lower class. In addition, a class system employs a social ranking established primarily on economic position and a system of stratification below which country-dwellers were obligatory to work land rented to them by nobles in altercation for military protection was recognized as estate system.