instruction:
Given a scientific question, generate a correct answer to it.
question:
Harmful instances of what can result in errors in protein sequence that yield non-functional proteins?
answer:
mutation

question:
What is the name of the organelle that helps make and transport proteins and lipids?
answer:
endoplasmic reticulum

question:
What are the two types of vascular tissues?
answer:
xylem and phloem