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Doss [256]
3 years ago
13

Fungal asexual spores Select one: a. are used to identify fungi. b. produce offspring with different combinations of genes from

the parent. c. are produced when nutrients are limiting. d. are the products of meiotic division by a single parent cell. e. cannot be seen using a light microscope.
Biology
2 answers:
Katena32 [7]3 years ago
8 0

Answer:

A. are used to identify fungi

Explanation:

There are three modes of reproduction present if fungi

  • Sexual reproduction: the fusion of two nuclei i.e. two sex cells . In sexual reproduction, the genes from the two parents are combined, hence produce offspring with different combinations of genes from the parent.
  • Vegetative reproduction (sometimes grouped as asexual reproduction because sex cells are not involved): e.g. fragmentation, budding. The mother cell divides to produce a daughter cell
  • asexual reproduction

In asexual reproduction, fungi produce spores in specialized structures which are used in reproduction. Asexual spores are produced through mitosis. An example of asexual spore is conidia.

Asexual reproduction is the most common mode of reproduction in fungi. Fungi asexual spores can be viewed under the microscope and are used to identify fungi.  

Asexual spores are economical to make, hence they are widely produced by fungi. They are produced when nutrients are (or are not) limiting.

galben [10]3 years ago
3 0

Answer:

a. are used to identify fungi

Explanation:

The type of asexual spore that a fungi produces can be very helpful in the identification of species. When, fungi produce spores asexually by mitosis, the genetic makeup of spores is exact same as the parent specie. So, by examining the spore the most accurate estimate of a specie can be done.

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Explanation:

Pharmacophore (pharmacology) - The molecular framework responsible for a drug's biological activity. According to IUPAC — A pharmacophore is the ensemble of steric and electronic features that is necessary to ensure the optimal supramolecular interactions with a specific biological target structure and to trigger (or to block) its biological response.

Privileged structures are defined as molecular frameworks which are able of providing useful ligands for more than one type of receptor or enzyme target by judicious structural modifications.

1) The 1,4-dihydropyridine ring is present in many biologically important molecules that acts as an important scaffold for cardiovascular drug - a calcium antagonists and although it is technically not considered as a pharmacophore, it is considered as a privileged structure.

1,4-Dihydropyridine (DHP), belongs to the class of calcium antagonist that inhibits the influx of extracellular Ca+2 through the L-type voltage-dependent calcium channels.

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Position on the heterocyclic ring binds to the L-type channel and also to N-type channel on membranes.

2.) The bioisosteres are not a suitable bioisostere for the traditional C-4 aryl or heteroaryl substitution which is necessary for calcium ion blockage thereby inhibiting it to function with the mechanism shared above.

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