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Butoxors [25]
3 years ago
5

Write an esaay on origin of species​

Biology
1 answer:
LenKa [72]3 years ago
7 0
Do you have the options?
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A proton is
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Answer:

D the part of an atom counted to determine the atomic number of an element

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The place where an organism lives and that provides the things the organisms needs?
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I’m positive that the answer is habitat, which provides basic needs for the organism. Let me know if that helps!
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1. Define Isogamous with example.
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1. Having two similar gametes in which no differentiation can be distinguished, or reproducing by the union of such gametes.

e.g. in Spirogyra and Ulothrix

2. Anisogamy refers to a type of sexual reproduction in which two dissimilar gametes unite or fuse. The gametes may differ in size or form.

Example : human beings, the male gamete sperm is smaller and motile while the female gamete egg is non motile and larger.

3. having or involving a small motile male gamete and a large immotile female gamete.

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Spleen lymph nodes and thymus belong to what system
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Lymphatic system is my best guess
5 0
4 years ago
give two different examples of how the following can occur: a. a point mutation in an exon that is silent. b. a point mutation i
Annette [7]

Point mutations can show three different types of effects:

  • Base substitutions can be silent mutations in which the changed codons correspond to the same amino acid.
  • Base substitutions can be missense mutations where the changed codon corresponds to a different amino acid.
  • Base substitutions can be nonsense mutations in which the altered codon corresponds to the stop signal.

<h3>What are point mutations?</h3>

Point mutations are changes to the N base of DNA or RNA. Point mutations are common, but their effects can be mitigated by gene recovery mechanisms.

The cause of this point mutation is due to 4 factors:

  1. Errors during DNA replication by mutagens.
  2. Breaking of oxygen-phosphate bonds.
  3. Substitution of base pairs.
  4. Changes in the number of bases.

Learn more about point mutations here brainly.com/question/1168174

#SPJ4

3 0
1 year ago
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