Answer:
Organelles that are bound by a membrane, these include mitochondria, chloroplasts, lysosomes, vacuoles, and nuclei. Membrane bound organelles are usually found in eukaryotic cells.
Explanation:
vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
Answer:
shape, pattern, size i took the test
Explanation:
<span>Amino acids are considered as the building blocks of protein's, so amino acid rich food simply means protein rich food. There are 20 classifications for amino acids but nine of them are essential since our body can't make them. Usually in diet important amino acids are Lysine (C6H14N2O2), Leucine (C6H13NO2), Valine (C5H11NO2), Tryptophan (C11H12N2O2), Isoleucine (C6H13NO2) Phenylalanine (C9H11NO2) and Threonine
(C4H9NO3).</span>
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.
