The mouth is the beginning of the digestion tract , our mouth also produces enzymes to begin the process of digestion
B!
Parasitism is when one organism benefits and harms the organism it is living off of, while the organism it is living off of will only be harmed and does not benefit.
Answer:
The question is incomplete and should be:
In acculturation, subordinate groups will often incorporate new cultural elements into their own culture, creating a blend of old and new. A reinterpretation of new cultural elements to fit them with already existing traditions is called:___________
a.innovation.
b.syncretism.
c.assimilation.
d.acculturation.
e.modernization.
THE ANSWER IS B (SYNCRETISM)
Syncretism is a merging of different beliefs, cultures, school of thoughts or philosophies
Answer: Substances that are protein based cannot cross the lipid cell membrane, but can exert their effect by binding to the proteins based receptors present on the lipid bilayer.
Explanation:
Hormones such as calcitonin , Parathyroid hormone and pituatry horomones are proteins and water soluble.They cannot cross lipid bilayer but can bind to ligand binding protein receptors.
These receptors are protein macromolecules that are specific in nature for specific hormones.
After binding to the receptors, these hormone-recpetor complexes activate second messengers and regulate the downstream effects.
Immune System is the system that consists of proteins and cells.
