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Alisiya [41]
3 years ago
6

Describe the structure and major components of a nucletoide?

Biology
1 answer:
4vir4ik [10]3 years ago
8 0
An example of a nucletoide is An DNA nucletoide which consists of a Nitrogen base, a five-carbon sugar (<span>deoxyribose), and a phosphate group. 
in this DNA example there are four different types of nucletoide (</span><span>adenine, thymine, cytosine, and guanine).
Hope this helps</span>
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Answer:

The characteristics to the correct phylum matching is given below:

Explanation:

  • Organisms lack symmetry- Porifera. Poriferans such as sponges are without any symmetry, thus they are asymmetrical.
  • Organisms have specialized stinging cells -Cnidaria. Cnidaria such as <em>Hydra</em> possesses stinging cells or cnidocytes located around the mouth and tentacles of the <em>Hydra</em> and can kill prey with toxins.
  • Adult forms are sessile – Porifera.  Adult sponges are sessile and spend their lives attached to a substrate.
  • Two types of body plan exist as polyp and medusa – Cnidaria. Cnidarians show two distinct body plans as polyp or stalk and medusa or bell.  Polyps are non-motile and Medusa are motile.
  • Organisms obtain food by filtering water– Porifera. The water moves through the body of the poriferans to filter out food, absorb dissolved oxygen.
  • Phenomenon of alternation of generation is observed - Cnidaria. Alternation of generation is a type of life cycle which switches between two forms. In cnidarian, the asexual polyp alters with the sexual medusa.

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What characteristic of a microscope enables one to switch from one objective to another?
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Term Arm Definition connects base to body tube that contains lenses
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I believe it is the answer is C
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