answers 2024\2025 A+ Grade
Which organelle performs autophagy?
a) Proteasome
b) cytoskeleton
c) Ribosome
d) Lysosome
- correct answer Lysosome
Lysosomes can digest worn-out organelles and release the by products in the cytoplasm.
(autophagy=self digestion)
-Proteasome degrades malfunctioning/ misfolded proteins to peptides
-Cytoskeleton maintains the shape and organization of cell contents
-ribosome is large and translates mRNA to proteins
Fe+ O2----->Fe203
a) Fe +o2-----> 2Fe2O3
b) Fe+3O2----->2Fe2O3
c) Fe+3O2----->Fe2O3
d)4Fe+3O2----->2Fe2O3
- correct answer d)4Fe+3O2----->2Fe2O3
The reaction above is the oxidation of Iron. You need to balance the equation