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Questions and Answers
What is a characteristic appearance of euchromatin?
What is a characteristic appearance of euchromatin?
- Compact structures with minimal space
- Very thin uncoiled threads (correct)
- Thick, tightly coiled strands
- Visible granules under a microscope
What primarily distinguishes euchromatin from heterochromatin?
What primarily distinguishes euchromatin from heterochromatin?
- Euchromatin contains inactive genes.
- Euchromatin has a higher density than heterochromatin.
- Euchromatin is involved in protein synthesis. (correct)
- Euchromatin is exclusively found in prokaryotes.
Which statement correctly describes the function of genes located within euchromatin?
Which statement correctly describes the function of genes located within euchromatin?
- They direct protein synthesis. (correct)
- They are only active during cell division.
- They remain permanently inactive.
- They solely regulate DNA replication.
How does the structure of euchromatin impact gene activity?
How does the structure of euchromatin impact gene activity?
Euchromatin can be described as:
Euchromatin can be described as:
What is the primary characteristic of heterochromatin?
What is the primary characteristic of heterochromatin?
Which statement correctly describes peripheral or marginal chromatin?
Which statement correctly describes peripheral or marginal chromatin?
How does heterochromatin differ from euchromatin in terms of genetic activity?
How does heterochromatin differ from euchromatin in terms of genetic activity?
Which of the following correctly identifies a feature of heterochromatin?
Which of the following correctly identifies a feature of heterochromatin?
What type of chromatin is primarily involved in the regulation of gene expression?
What type of chromatin is primarily involved in the regulation of gene expression?
What distinguishes perichromatin from euchromatin when viewed under a light microscope?
What distinguishes perichromatin from euchromatin when viewed under a light microscope?
What is the primary reason perichromatin deeply stains when observed microscopically?
What is the primary reason perichromatin deeply stains when observed microscopically?
Which of the following statements about perichromatin is true?
Which of the following statements about perichromatin is true?
In terms of appearance, when comparing heterochromatin to perichromatin, which of the following is accurate?
In terms of appearance, when comparing heterochromatin to perichromatin, which of the following is accurate?
Which characteristic is associated with the basophilic nature of perichromatin?
Which characteristic is associated with the basophilic nature of perichromatin?
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Study Notes
Euchromatin
- Appears as thin, uncoiled threads
- Genes are active and direct protein synthesis
Heterochromatin
- Appears as dense granules
- Located within the nucleus
- Peripheral or marginal chromatin lies close to the inner nuclear membrane
LM (Light Microscopy)
- Appears as one or more rounded basophilic bodies
- Stained deeply because of its ribonucleoprotein content
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