Charged amino acid side chains can form ionic bonds, and polar amino acids are capable of forming hydrogen bonds. Hydrophobic side chains interact with each other via weak van der Waals interactions. ... When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein.
You’re answer to this question would beD
Plastic has many disadvantages, including environmental, choking and chemical hazards. Not only is plastic non-biodegradable, meaning it will not break down in landfills even after hundreds of years, it can also clog waterways and contaminate wildlife habitats. Plastic poses a danger to animals if they ingest it or become entangled. <span>Additionally, chemicals are used to both produce and recycle plastic, a practice that poses environmental hazards as well. Recently under public scrutiny, a chemical called BPA is believed to cause hormonal problems in both males and females, especially those who are prepubescent. Lastly, young children may suffocate or choke on plastic.</span>
Answer:
B.air density
Explanation:
Updraft and downdraft is the upward and downward movement of air.
It caused by differences in air densities. There could be differences in air current due to the heat that occur in the ground during the day time which makes air above more warmer than the air below. The air above is less dense as it rises above it becomes cool.
It also occur when air current moves over mountains.
OK so the organelle that contains DNA will be Chloroplasts
