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ludmilkaskok [199]
2 years ago
5

Which phyla have well developed nervous system

Biology
1 answer:
Fiesta28 [93]2 years ago
7 0

Explanation:

Cnidarians

.............

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Which enzyme catalyzes the elongation of a DNA strand in the 5' → 3' direction by adding nucleotides to the end of a growing DNA
Ivan

Answer:

DNA polymerase

Explanation:

DNA polymerase enzyme catalyses the reaction of adding nucleotide to growing complementary daughter strand of DNA in the direction of 5' → 3' during elongation in the process of replication. This process requires energy which is taken from nucleotides with three phosphate groups in their backbone similar to ATP (adenine triphosphate)

DNA Replication is when DNA multiplies and make exact copies of itself as part of gene transfer.

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3 years ago
Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of
ziro4ka [17]

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Cell theory meets the definition of a scientific theory  because it can be proven, it has been tested for a long period of time and therefore there are many evidences that support the theory but not enough to become a law. Well scientific laws are statements based on repeated experiments or observation, but also, a law is something that always applies under the same conditions. Evolution occurs in the characteristics of living things within a species overtime. . A theory is much more complex: it explains why something happens. A law only describes what happens.

The cell theory meets the definition of a scientific theory but i do not think it should be a scientific law.

Explanation:

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3 years ago
The presence of which organelle indicates that eukaryotic cells have evolved from prokaryotic cells
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The presence of a membrane bound nucleus describes the evolution of eukaryotes from prokaryotic organisms. The endosymbiotic theory describes the same, the large cells engulfed the smaller ones, and the engulfed cells were not digested but started living in mutual cooperation with the engulfing cell. Mitochondria and chloroplast are thought to be the engulfed cell

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What is offspring ? please help
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Answer:

Offspring,

Explanation:

Offspring a person's child or children:

"the offspring of middle-class parents"

6 0
2 years ago
You observe a tiny structure under a microscope.what question would ask and then investigate to determine whether the structure
anygoal [31]

Answer:

The question to be asked an investigated when observing a structure under the microscope to determine whether it is living is if it has a nucleus if eukaryote or nucleoid if prokaryote.

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The major organelle that must be present in all living cells is the nucleus or nucleoid and the protoplasm. The observation of the cell under the microscope will show the subcellular entity, nucleus/nucleoid, more pronounced than other organelles in the cell. The nucleus house the necessary information for the maintenance and reproduction, which is mainly the genetic information that dictates the translational protein products that are needed to build another aspect of the cells. Therefore, when such a tiny structure is placed under the light microscope under the view of oil immersion, the nucleus of the cell should be visible if it is a living structure.

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2 years ago
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