Question

Many terms in the chapter are similar but have distinct functions in cells. Match the correct term with its definition and/or function. Some terms may be used more than once; some not at all.

A non-membrane enclosed region in a prokaryotic cell where its chromosome is found
Organelle of a eukaryotic cell that contains the genetic material in the form of chromosomes
Site of rRNA synthesis and ribosomal subunit
assembly.
A netlike array of protein filaments that lines the interior of the nuclear envelope; functions to maintain the shape of the nucleus
Double membrane that regulates passage into and out of the nucleus; perforated with pores, continuous with the endoplasmic reticulum.
A specialized structure inside the nucleus consisting of genes for ribosomal RNA (rRNA), along with ribsomal proteins imported from cytoplasm.

Nucleotide
Nucleolus (plural nucleoli)
Nucleus (plural nuclei)
Nuclear lamina
Nuclear envelope
Nucleoid

Answer 1

1. A non-membrane enclosed region in a prokaryotic cell where its chromosome is found: Nucleoid

2. Organelle of a eukaryotic cell that contains the genetic material in the form of chromosomes: Nucleus (plural nuclei)

3. Site of rRNA synthesis and ribosomal subunit assembly: Nucleolus (plural nucleoli)

4. A netlike array of protein filaments that lines the interior of the nuclear envelope; functions to maintain the shape of the nucleus: Nuclear lamina

5. Double membrane that regulates passage into and out of the nucleus; perforated with pores, continuous with the endoplasmic reticulum: Nuclear envelope

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