diff --git a/Grade 10/Science/SNC2DZ/Unit 2: Biology.md b/Grade 10/Science/SNC2DZ/Unit 2: Biology.md
index 0587d75..a915868 100644
--- a/Grade 10/Science/SNC2DZ/Unit 2: Biology.md	
+++ b/Grade 10/Science/SNC2DZ/Unit 2: Biology.md	
@@ -81,7 +81,7 @@ A person contains roughly 100 trillion cells
 - `Ribosomes` in rough ER **synthesize proteins**
     - Transports synthesized proteins to `Golgi apparatus` for packaging and distribution
     - About half the cell's proteins are produced here
-- Folds, fixes and **modifies both newly-created and pre-existing proteins**
+- Folds, fixes and **modifies both newly-created and pre-existing proteins** somewhat like **proof-reading**
 
 ## Specific to Smooth ER
 - Does not synthesize proteins
@@ -97,9 +97,9 @@ A person contains roughly 100 trillion cells
 
 ## Lysosome
 - Spherical vesicle that containing `enzymes`
-- Digests and kills foreign matter which is then excreted
-- Digests and breaks down old and unused material to be recycled
-- Digests and breaks down old or non-functional organelles as needed
+- **Digests and kills** foreign matter which is then excreted
+     - E.g., white blood cells use lysosomes to kill bacteria then spit it out
+- **Digests and breaks down** old and unused material/non-functional organelles as needed
 - If lysosome ruptures everything dies, hence they are known as "suicude sacs"
 
 ## Mitochondria