Multiple Choice
Which statement accurately describes lactose intolerance?
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2. Cell Chemistry & Cell Components
Introduction to Chemical Bonding
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Which of the following is not a characteristic of the nucleus?
A
Site of protein synthesis
B
Contains nucleolus
C
Surrounded by a double membrane
D
Contains the cell's genetic material
Verified step by step guidance1
Understand the role of the nucleus in a cell. The nucleus is a membrane-bound organelle that contains the cell's genetic material in the form of DNA.
Recognize that the nucleus is surrounded by a double membrane known as the nuclear envelope, which separates the contents of the nucleus from the cytoplasm.
Identify the nucleolus as a structure within the nucleus responsible for ribosomal RNA (rRNA) synthesis and ribosome assembly.
Recall that protein synthesis occurs in the cytoplasm, specifically on ribosomes, which can be free-floating or attached to the endoplasmic reticulum, not within the nucleus.
Determine that the statement 'Site of protein synthesis' is not a characteristic of the nucleus, as this process occurs outside the nucleus.
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