What are sister chromatids?
Nucleus of the Cell

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Biology
•
7th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Sister chromatids are the two exact copies of DNA in a chromosome, formed during DNA replication.
2.
FLASHCARD QUESTION
Front
What are nuclear pores?
Back
Nuclear pores are tiny holes in the nuclear membrane that allow different cellular materials to enter and exit the nucleus.
3.
FLASHCARD QUESTION
Front
What is the main function of the nucleus?
Back
The nucleus controls what happens in the cell, including gene expression and cell division.
4.
FLASHCARD QUESTION
Front
Why are enzymes important for metabolism?
Back
Enzymes speed up chemical reactions in the body, making metabolism efficient.
5.
FLASHCARD QUESTION
Front
Can DNA leave the nucleus?
Back
False, DNA does not leave the nucleus; instead, RNA is transcribed from DNA and leaves through nuclear pores.
6.
FLASHCARD QUESTION
Front
What is the nucleolus?
Back
The nucleolus is a structure within the nucleus where ribosomal RNA (rRNA) is produced and ribosome assembly begins.
7.
FLASHCARD QUESTION
Front
What is the nuclear membrane?
Back
The nuclear membrane is a double-layered membrane that surrounds the nucleus and separates it from the cytoplasm.
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