A reddish chemical, lipofuscin, is found in greater quantities in cells of older people than in those from younger people. This chemical should be broken down in the cells. Which specific type of organelle is not working as well in the seniors?
A) lysosome
B) mitochondrion
C) nucleus
D) rough endoplasmic reticulum

Question

Quizplus · Accepted Answer

Lysosomes are responsible for breaking down cellular waste, including lipofuscin. As people age, lysosomes become less efficient at this process, leading to an accumulation of lipofuscin in the cells.

A Reddish Chemical, Lipofuscin, Is Found in Greater Quantities in Cells