Mastering Biology Ch.4
The endosymbiosis hypothesis proposes that
A small cell lived inside a large cell to the benefit of both cells
Peroxisomes are organelles that are involved in the ______?
Breakdown of fatty acid's
Which is a typical function of lysosomes?
Breaking down of damaged organelles
The function of mitochondria is?
Cellular respiration
_______ are found only in plant cells, but _______ are found in both plant and animal cells
Central vacuoles; Ribosomes
The nucleus of a cell...
Contains DNA
The structural framework in a animal cell is
Cytoskeleton
What does the prefix Lyso- mean?
Decomposition
What system includes the ER, the golgi apparatus, lysosomes and vesicles
Endomembrane
Why do peroxisomes break down fatty acids?
For fuel
In an animal cell which of the following is part of the Endomembrane system?
Golgi apparatus
What processes and packages proteins in an animal cell?
Golgi apparatus
What changes would you expect to see in the liver cells of someone suffering from chronic alcoholism?
Increased levels of endoplasmic reticulum activity
Which organelle plays a role in intracellular digestion?
Lysosome
Which of the following organelles breaks down worn out organelles?
Lysosomes
The main function of the rough ER is the production of
Membrane and proteins secreted by the cell
In an animal cell where is ATP made?
Mitochondria
Which plant cell organelle converts chemical fuel into packets of chemical energy that can power the cell?
Mitochondria
Where is the genetic information of the cell stored
Nucleus
That function of chloroplasts is?
Photosynthesis
What is the protective structure made of cellulose fibrils?
Plant cell wall
One of the ways smooth ER differs from rough ER is that rough ER is covered by?
Ribosomes
Pancreatic cells produce large amounts of protein. About how many ribosomes would you expect there to be any pancreatic cell?
Several million
What part of a liver cell has enzymes that are involved with alcohol metabolism?
Smooth ER
Where are lipids made in an animal cell?
Smooth ER
What is the function of the central vacuole?
Storing compounds produced by the cell
What is the function of the nucleolus?
To manufacture ribosomal RNA
What is the main function of the golgi apparatus
To store modify and package proteins
Which of the following describes the function of chloroplast?
converts light energy to chemical energy
In an animal cell what carries instructions for making proteins from the nucleus into the cytoplasm?
mRNA " Messenger"
What structure acts as a selective barrier regulating the traffic of materials into and out of the cell?
Plasma membrane