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Cells 3
Organelles
Question | Answer |
---|---|
Organelles enclosed by a double membrane include: the nucleus, the mitochondrion and the chloroplast | True |
Which of these organelles in NOT associated with the production or sorting of proteins in a cell? | Smooth endoplasmic reticulum (SER) |
Choose the sequence that best describes the progress of an enzyme from synthesis to its final destination in a lysosome: | Rough endoplasmic reticulum; cis face of Golgi apparatus, trans face of Golgi apparatus, vesicle, endolysosome |
Plant cells differ from animals cells because they have: chloroplasts, cell walls and vacuoles | True |
What does a polyribosome consist of? | several ribosomes translating a single mRNA molecule |
Organelles enclosed by a double membrane include: the Golgi apparatus and the lysosomes | False |
The cytoskeleton provides support, structure, motility, and organisation. Which part of the cytoskeleton forms tracks to direct organelle and vesicle transport. | microtubules |
Rough ER is associated with ribosomes and critical for protein synthesis in the cell | True |
Smooth endoplasmic reticulum (ER) forms a continuous part with the rough ER | True |
Which of the following is surrounded by a double membrane? | the nucleus |
Which of the following relationships between cell structures and their respective functions is NOT correct? | chloroplasts - chief site of peroxidase activity |
__________ are fairly small organelles that provide a safe place within the cell to carry out certain biochemical reactions that generate harmful, highly reactive oxygen species. These chemicals are both generated and broken down in the same location. | Peroxisomes |
Which cellular component is responsible for packaging of lipids and proteins for secretion | Golgi complex |