Lysozyme is found throughout our bodies in mucous membranes and saliva to protect us from infection. Some bacteria are able to evade this defense by altering their peptidoglycan.
<h3>What are
Lysozymes?</h3>
Animals generate the antimicrobial enzyme lysozyme, also known as muramidase or N-acetylmuramide glycanhydrolase, which is a component of the innate immune system. The glycoside hydrolase lysozyme is responsible for breaking down the 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan, the main building block of gram-positive bacteria. The integrity of the bacterial cell walls is subsequently compromised by this hydrolysis, leading to lysis of the cells.
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I would think it would be C
Answer:
Fungi can reproduce both sexually and asexually. They are spore producing organisms like mushrooms, molds, and yeast.
Asexual reproduction: Fungi can reproduce asexually by the genetically similar spores which is reproductive cell and by the mycelia pieces. It is a most common method and spreading more fungus than sexual reproduction.
In this reproduction sporogenesis starts with the reproductive hyphae known as sporangiophores. Sporangia structure occurs at the end of the sporangiophore. In the sporangia, spores is present.
Sexual reproduction: Via meiosis sexual reproduction occurs in fungus. In this process fungal gamete's fusion occur for the formation of zygospores.
In fungi lifecycle spores are dispersed by the help of wind, water and other organisms.
I guess it just works that way
Options for the questions are not given. They are as follows :
A ) 1,2,3
B) 2,3
C)1 ,3, 4
D)1
E) 1 through 4
Answer:
C) 1,3,4
Explanation:
Some aphids make black walnut trees their habitat in the forest and only prefer to mate with aphids who have the same habitat. This is an example of reproductive isolation since these aphids now have different mating preferences and hence are isolated from rest of the aphids. The isolation occurred on the basis of difference in habitats so it is also an example of habitat isolation. Since the mating is prevented all together it is also an example of prezygotic barrier i.e. formation of zygote is inhibited. However, it is not an example of allopatric speciation since the aphids are not separated geographically from each other. They are present in the same area but have different habitat preference. Hence, option C is correct answer.
