Cell Structures Quick Check 1 of 51 of 5 Items Question Why are lysosomes important to the health of cells?(1 point) Responses They move proteins around the cell. They move proteins around the cell. They create cell boundaries and make cells rigid. They create cell boundaries and make cells rigid. They break down worn-out cell parts that are no longer needed. They break down worn-out cell parts that are no longer needed. They allow cell organelles to move freely through the cell as needed.
They break down worn-out cell parts that are no longer needed.
Which of the following organelles provide structure and rigidity to a plant cell?(1 point) Responses cell wall cell wall ribosome ribosome cell membrane cell membrane chloroplast
cell wall
What would happen to a plant if the chloroplasts in its cells became damaged?(1 point) Responses The plant would be unable to make protein. The plant would be unable to make protein. The plant would be unable to reproduce. The plant would be unable to reproduce. The plant would not have a rigid structure. The plant would not have a rigid structure. The plant would not make glucose and oxygen.
The plant would not make glucose and oxygen.
Cell Structures Quick Check 4 of 54 of 5 Items Question Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.(1 point) Responses Root cells have many mitochondria. Root cells have many mitochondria. Roots are underground and are not exposed to sunlight. Roots are underground and are not exposed to sunlight. Root cells have two central vacuoles. Root cells have two central vacuoles. Roots require fewer nutrients.
Roots are underground and are not exposed to sunlight.
What is the main difference between prokaryotic and eukaryotic cells?(1 point) Responses Prokaryotes lack membrane-bound organelles. Prokaryotes lack membrane-bound organelles. Prokaryotes use RNA instead of DNA. Prokaryotes use RNA instead of DNA. Prokaryotes lack a cell membrane on the outside. Prokaryotes lack a cell membrane on the outside. Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack membrane-bound organelles.
The correct answer is: They break down worn-out cell parts that are no longer needed.
To understand why lysosomes are important to the health of cells, we need to know what lysosomes are and what they do.
Lysosomes are membrane-bound organelles found in animal cells. They contain digestive enzymes that are responsible for breaking down waste materials, macromolecules, and cellular debris. These enzymes include proteases, lipases, and nucleases.
The primary function of lysosomes is to break down and recycle cellular waste. They play a crucial role in maintaining cell health by removing and degrading worn-out cell parts, damaged organelles, and misfolded proteins. This process is called autophagy, which allows the cell to reuse the raw materials from the broken-down components for new cell construction and energy production.
By breaking down these waste materials, lysosomes help maintain the overall functioning and balance of the cell. If lysosomes are not functioning properly, cellular waste can accumulate, leading to cell dysfunction and potentially cell death.
In summary, lysosomes are important to the health of cells because they break down worn-out cell parts and cellular debris, allowing for proper recycling and maintenance of the cell.