NATS 1675 Lecture Notes - Lecture 3: Golgi Apparatus, Ribosomal Rna, Glycoprotein

• School: York University
• Department: Natural Science
• Course: NATS 1675
• Professor: Robert Crippen

Document Summary

Ribosomes- constructed of protein and 2 rrna molecules (rrna made in nucleus), the site of photosynthesis (including enzymes), acts as a factory/ workbench. I(cid:374)suli(cid:374), (cid:373)ade i(cid:374) pa(cid:374)(cid:272)reas (cid:271)ut will work out of (cid:271)od(cid:455) to allow (cid:272)ells to metabolize sugar) Enzymes- are chemicals that facilitate all the chemical reactions in the body. E(cid:374)z(cid:455)(cid:373)e does(cid:374)"t (cid:271)e(cid:272)o(cid:373)e part of the (cid:272)he(cid:373)i(cid:272)al (cid:271)ei(cid:374)g (cid:373)ade, it is i(cid:374)stead a su(cid:271)sta(cid:374)(cid:272)e that helps process move along. Er- is membranous channels with vesicles/ sacs and tubules that serve as an internal transport system for proteins and other molecules (like a highway) Secretion- the release of the contents of vesicles (vacuoles- can fuse with cell membrane) outside the (cid:272)ell (cid:894)pro(cid:272)ess is (cid:272)alled e(cid:454)o(cid:272)(cid:455)tosis e(cid:454)iti(cid:374)g (cid:272)ell(cid:895) (cid:894)e(cid:374)do(cid:272)(cid:455)tosis is whe(cid:374) (cid:272)o(cid:374)te(cid:374)ts will e(cid:374)ter therefore (cid:373)aki(cid:374)g it larger) Endocytosis- process by which extracellular contents are brought into the cell by invagination of the cell membrane.