The enzyme pepsin acts on proteins to produce peptides which are later broken into amino acids in the small intestine
Scientists have found that extracellular matrix component may induce specific gene expression in the embryonic tissues such as the liver and testes. For this to happen, there must be a direct communication between the extracellular matrix and the developing cells. The Integrins of transmembrane protein would most likely be involved in this kind of induction.
Integrins are the main principal receptors used by the cells of animal to bind to the matrix of extracellular. They are heterodimers and they function as transmembrane linkers between the actin cytoskeleton and the extracellular matrix. A cell can regulate the sticky activity of its integrins from within.
Learn more about integrins here
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1. The organisms at lower trophic levels have more consumable energy which provides the whale with more energy that organisms at other trophic levels.
2. Agree
3. Depending on the food chain, organisms can be on multiple trophic levels. For example, lions can be both a tertiary and secondary consumer.
The correct answer in multicellular
