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Fungal Biology: Hyphal Branching

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Questions and Answers

What is apical branching in fungal hyphae?

Branches that emerge from sites distal to the hyphal tip.

Branches that do not affect hyphal growth.

The emergence of a branch from the hyphal tip. (correct)

The formation of branches at the base of the hyphae.

What triggers apical branching?

Abnormal accumulation of exocytic vesicles. (correct)

Formation of a new hyphal tip.

The loss of lateral hyphal structures.

Increased nutrient availability near the base.

Which statement accurately describes lateral branching of fungal hyphae?

Lateral branching occurs exclusively in aquatic fungi.

Lateral branches only form under high-stress conditions.

Branches emerge directly from the hyphal tip.

New branches emerge from sites far from the hyphal tip. (correct)

What occurs to the hyphal tip during apical branching?

<p>It experiences a temporary loss of the Spitzenkorper.</p> Signup and view all the answers

Where do new branches emerge during lateral branching?

<p>Adjacent to the septa.</p> Signup and view all the answers

Study Notes

Hyphal Branching

Fungal hyphae exhibit two main types of branching: apical and lateral.

Apical Branching

Apical branching involves the growth of a new branch directly from the tip of a hypha.
This process is triggered by an unusual buildup of exocytic vesicles at the hyphal tip.

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Description

Explore the fascinating process of hyphal branching in fungi. This quiz covers the two main types of branching: apical and lateral, with a focus on the mechanisms behind apical branching. Test your understanding of these vital biological processes.