A membrane that only "lets" certain molecules in while keeping other molecules out is called cell membrane.
Explanation:
A cell membrane is a semi-permeable membrane which acts as a barrier and a gatekeeper in that cell that allows some molecules to diffuse across while preventing others.Hydrophobic molecules that are small enough and gases pass across this membrane while larger molecules such as ions, sugar and amino acid are restricted to pass.Small polar molecules such as water also have there way past this membrane.
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Functions of a cell membrane : brainly.com/question/1269652
Keywords : cell membrane, molecules
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Answer:
WELL I KNOW THAT LAVENDOR HELPS WITH STRESS SO IF THERE WAS NO MORE LAVANDOR THEN THERE WOULD BE MORE STRESSED PEOPLE
ALSO LIKE WHATEVER EATS IT WOULD DIE OFF AND LIKE MESS UP THE FOOD CHAIN SORTA THING
Explanation:
Answer: tyrosine and phenylalanine
Explanation:
Chymotrypsin is a mammalian digestive enzyme that catalyzes the hydrolysis of proteins in the small intestine. it is highly selective in its action as it hydrolyzes only those peptide bonds on the carboxyl side of AROMATIC AMINO ACIDS such as tyrosine, phenylanine, tryptothan.
Thus, of all listed tyrosine and phenylalanine are the amino acids.
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
15 mph; Divide 30 miles by 2 hours in order to find the unit rate. When dividing, you will get the quotient, 15, or 15 miles per hour.
