Multiple Choice
Which of the following organelles are only found in plant cells?
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5. Cell Components
Mitochondria & Chloroplasts
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Which of the following are common traits of chloroplasts and mitochondria?
A
Both are responsible for photosynthesis.
B
Both are found in animal cells.
C
Both have their own DNA and ribosomes.
D
Both are involved in the synthesis of proteins.
Verified step by step guidance1
Understand the roles of chloroplasts and mitochondria: Chloroplasts are involved in photosynthesis, converting light energy into chemical energy, while mitochondria are involved in cellular respiration, converting chemical energy from food into ATP.
Recognize that both chloroplasts and mitochondria are organelles found in eukaryotic cells, but chloroplasts are typically found in plant cells and some protists, whereas mitochondria are found in almost all eukaryotic cells, including animal cells.
Identify the unique feature of both organelles: Both chloroplasts and mitochondria contain their own DNA and ribosomes, which is a trait that supports the endosymbiotic theory, suggesting they originated from free-living prokaryotes.
Clarify that while both organelles are involved in energy conversion processes, they are not directly responsible for protein synthesis. However, they can synthesize some of their own proteins due to their own ribosomes.
Conclude that the common trait between chloroplasts and mitochondria is that both have their own DNA and ribosomes, allowing them to produce some proteins independently of the cell's nuclear DNA.
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