Cell Organelles: Mitochondria and Lysosomes Overview

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18 Questions

Endoplasmic reticulum consists of membrane-bound particles rich in ______ enzymes

hydrolytic

Mitochondria consist of double membrane structure composed of outer and inner ______

walls

Golgi apparatus functions in the release of ______ outside the cell

hydrolases

Lysosomes are classes as primary or secondary lysosomes based on their ______

functions

The secretory lysosomes fuse with the cell membrane in order to close a damaged ______

patch

Apoptosis is initiated through lysosome-mediated apoptotic pathway involving certain ______ present in lysosomes

proteases

PEROXISOMES OR MICROBODIES are sites for ___ utilization within the cell important for detoxification and breakdown of fatty acids to Acetyl CoA

oxygen

ANNULATE LAMELLA stacks of membrane-bounded cisternae with numerous pore complexes are present only in cells with high mitotic activity like ___

oocytes

RIBOSOMES OR PALADE GRANULES contain ___ and occur as free ribosomes in the cytoplasm

RNA

PROTEASOMES are responsible for proteolysis of denatured, damaged or malformed proteins and ___-tagged proteins

ubiquitin

CYTOSKELETON consists of microfilaments (actin), myosin, microtubules, and intermediate filaments as well as accessory proteins. It is the internal ___ of a cell

skeleton

The ___ is an organelle responsible for the breakdown of cellular waste and debris

lysosome

Niemann-Pick disease is a neurovisceral storage disease caused by deficiency of ______

sphingomyelinase

Tay Sachs is a hereditary disease affecting young children of eastern European Jewish descent, characterized by the accumulation of ______ in the brain and nerve tissue

gangliosides

Lysosomal storage diseases result from defects in ______ function

lysosomal

Endosomes are a system of vesicles and tubules located near the ______ membrane

plasma

Material from early endosomes is transferred to a system of vesicles and tubules located deeper in the cytoplasm near the ______

Golgi apparatus

Late endosomes help to prepare their contents for destruction by ______

lysosomes

Learn about the structure and function of mitochondria and lysosomes. Understand the composition of mitochondria with its double membrane structure and cristae, as well as the role of lysosomes as membrane-bound particles rich in hydrolytic enzymes.

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