Chemical elements are important to living organisms because they make up the organic molecules that are found in all living things
The percentage of alleles for homozygous recessive would be 50%
Answer:
Archaea domain is closer to eukarya than bacteria because genetically they are more similar to Eukarya than Bacteria.
Explanation:
Options for this question are:
- <em>They both lack a nucleus and contain cytoplasm.
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- <em>The unique functional adaptations of Archaea are more similar to Eukarya adaptations. </em>
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They both evolved in the same geological time period.
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</em><em>Genetically, the Archaea are more similar to Eukarya than Bacteria.
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They both have membrane-bound organelles.
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Archaea is not closer to Eukarya because it contains prokaryotic cells just like Bacteria.</em>
Archaea are unicellular prokaryotic organisms, which share many characteristics with bacteria, however, the existence of metabolic functions and genes similar to eukaryotic organisms suggest that there is a genetic link between the two. Even the enzymes responsible for genetic processing, such as transcriptases and translation enzymes, are similar to those in eukaryotic cells.
The theory that establishes the relationship between Archaea and Eukaryotic suggests the existence of a common ancestor, whose later evolution allowed an Archaea to join a protobacteria to form a eukaryotic cell, and hence their genetic relationship.
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Because evolution has not been explicitly proven. There has been some evidence, but there is not enough real proof to support this. Even the man who invented the theory of evolution ended up not believing in his own theory at the time of his death. Overall, the premise of evolution is built on an unstable rock, a theory.
The right answer is C.
Meiosis and fertilization contribute to the stability of the species.
Meiosis ensures the passage of the diploid phase to the haploid phase. It follows a phase of DNA replication and consists of two successive divisions, the second is not preceded by a duplication of DNA. These two divisions lead, from a diploid mother cell (2n chromosomes), to four haploid daughter cells, the gametes (n chromosomes).
Meiosis and fertilization are at the origin of genetic mixing.
During meiosis, intra- and interchromosomal mixing occurs (inducing a genetic diversity between the daughter cells, and they are systematically different from their mother cell).
*Intrachromosomal mixing, or crossing-over recombination, takes place between paired homologous chromosomes during the prophase of the first meiosis division;
*Interchromosomal mixing is due to the independent migration of the homologous chromosomes of each pair during anaphase of the first division. It therefore concerns chromosomes reworked by the intrachromosomal mixing that preceded it.
