Ch\u01b0\u01a1ng 4 – B\u00e0i 16: Th\u1ef1c h\u00e0nh: M\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a protein v\u00e0 v\u1eadt li\u1ec7u polime<\/a><\/blockquote><\/iframe>