Firstwe have to know that sporozoans are a strictly parasitic protozoanthat are usually immobile. Of the following features the one thatdifferentiates protozoans from the other phyla of protozoa is:
Answer:A) Sporozoans lack locomotor organs.
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Answer:
small
Explanation:
The overall error rate of DNA polymerase during replication is 10-8 errors per base pair. Repair enzymes fix 99% of these lesions for an overall error rate of 10-10 per bp. That means one change occurs in every 10 billion base pairs that are replicated.
DNA replication is a highly accurate process, occurring rapidly and with a small number of mistakes, due to the efficiency of the DNA polymerase enzyme and the cell's repair mechanisms. However, any uncorrected mistakes can cause significant consequences, like mutations or even diseases like cancer. This process has been closely studied in prokaryotes such as E. coli.
DNA replication, a critical biological process, typically occurs with a remarkably small number of mistakes, thanks to the accuracy of the DNA polymerase enzyme and other repair mechanisms. This process has been particularly well-studied in prokayotes, like E.
coli, which can replicate its 4.6 million base pairs in about 42 minutes, adding around 1000 nucleotides per second.
However, when mistakes do occur and are not corrected, they can lead to mutations which might have serious consequences, such as cancer, particularly if the repair enzymes themselves are mutated or defective.
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Answer:
The correct answer will be- the bark of an oak tree by Antonie Van Leeuwenhoek
Explanation:
The development of light microscopy began before the 18th century where a scientist named Antonie Van Leeuwenhoek observed the first living cells of the organisms.
Although the first cell was observed by the Robert Hooke when he observed the dead cells of the bark of a tree bu the light microscope designed by the Leeuwenhoek helped him to observe the living cells from the pond life and he also observed the bark of an oak tree.
Thus, the bark of an oak tree by Antonie Van Leeuwenhoek is considered the first cell.
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No, the Aztecs did not have llamas. Llamas are native to South America and were primarily domesticated by the indigenous peoples of the Andean region, such as the Incas. The Aztecs, on the other hand, were an ancient civilization that inhabited central Mexico from the 14th to the 16th centuries. They did not have access to llamas in their region.
The Aztecs, however, did have other domesticated animals that were important for their society and economy. These included turkeys, dogs, and ducks. Turkeys were particularly valued for their feathers, meat, and symbolic significance in Aztec rituals and ceremonies.
While llamas were not present in Aztec culture, they did have a vast agricultural system that included crops like maize, beans, and squash. These crops formed the foundation of their diet and economy. Additionally, the Aztecs had a complex trade network that allowed them to obtain various goods from different regions, including exotic animals and products.
In summary, the Aztecs did not have llamas. Llamas are native to South America, while the Aztecs resided in central Mexico. They did, however, have other domesticated animals like turkeys and had a sophisticated agricultural and trade system.