Answer:
Endomembrane system is made up of endoplasmic reticulum and Golgi apparatus. Rough endoplasmic reticulum play a key role in protein synthesis, while golgi apparatus is responsible for packaging, modification and transport of proteins to different parts of cell.
B looks like the best to me
Answer:
D) Heterotrophs can make their own food
Step 1: Isolate the two kinds of DNA.
Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.
Step 3: Mix the foreign DNA with chopped plasmids.
Step 4: Add DNA ligase.
The heat from hotter object goes to the cooler object. when they reach the same temperature the heat flow will stop.