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As a result, the ascus will contain four pairs of spores. Then the ascospores are released from the ascus. In many cases the asci are formed in a regular layer, the hymenium, in a fruiting body which is visible to the naked eye, here called an ascocarp or ascoma. In other cases, such as single-celled yeasts, no such structures are found.
There are 2000 identified genera and 30,000 species of Ascomycota. The unifying characteristic among these diverse groups is the presence of a reproductive structure known as the ascus, though in some cases it has a reduced role in the life cycle. Many ascomycetes are of commercial importance.
The genome is about 43 megabases long and includes approximately 10,000 genes. There is a project underway to produce strains containing knockout mutants of every N. crassa gene. [5] In its natural environment, N. crassa lives mainly in tropical and sub-tropical regions. [6] It can be found growing on dead plant matter after fires.
The ascus is a diagnostic morphological feature of the bryozoan suborder Ascophora (hence the name of the suborder). [1] It is a water-filled sac of frontal membrane ...
Here the fertile layer is free, so that many spores can be dispersed simultaneously. The morel , Morchella , an edible ascocarp, not a mushroom, favored by gourmets, is a mass of apothecia fused together in a single large structure or cap.
Asch did not state if this was in fact the same sample as reported in his 1955 paper; the principal difference is that the 1956 paper includes an elaborate account of his interviews with participants. Across all these papers, Asch found the same results: participants conformed to the majority group in about one-third of all critical trials.
Free response tests are a relatively effective test of higher-level reasoning, as the format requires test-takers to provide more of their reasoning in the answer than multiple choice questions. [4] Students, however, report higher levels of anxiety when taking essay questions as compared to short-response or multiple choice exams.
Ascus (Ancient Greek: Ἄσκος) was a giant from ancient Greek mythology, who in conjunction with Lycurgus of Thrace chained the god Dionysus and threw him into a river. The god Hermes (or, according to other tellings, Zeus ) rescued Dionysus, conquered (ἐδαμασεν) the giant, flayed him, and made a bag (ἄσκος) of his skin.