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Gekata [30.6K]
2 years ago
9

Protists are helpful to us because they

Biology
1 answer:
Sergio [31]2 years ago
4 0

Answer:

Protists help break down dead material and help produce oxygen

Explanation:

I just took the quiz on k12

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the answer is all of the above

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2 years ago
Since viruses are typically 20-200 nm in diameter, the ____ microscope is best for viewing them.
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Electron is the best way for viewing them

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A phagocytic cell has a mutation in a gene for a hydrolytic enzyme that renders the enzyme nonfunctional. What is the most likel
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Answer: The phagocyte’s ability to destroy the ingested pathogen is compromised and it will become inactive.

Explanation:

There are different hydrolytic enzymes. Lysozyme attacks cell walls of gram positive bacteria. Elastase is a protease. Collagenase attacks collagen, produced by some bacteria. Plasminogen activator is also a protease.

Loss of function of any one of these enzymes will reduce or prevent the breakdown of bacteria in the phagosome (vacuole) so that the phagocyte is inactivated.

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A 35 year-old man presents with a testicular mass. Beta-HCG and Alpha-Feto Protein blood levels are normal. A radical orchiectom
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It originates in the germinal epithelium of the semniferous tubules. In this case the fertility of the person is not affected and sexual function also remains intact.

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3 years ago
PLS HELP!!! BRAINLIEST TO FIRST RIGHT ANSWER
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The right option is; B) the total variety of organisms on Earth

The total variety of organisms on Earth explains biodiversity

Biodiversity is the variety and variability of all species (different plants, animals and microorganisms) from all sources (marine, terrestrial and other aquatic ecosystem) on earth or within a particular region. Biodiversity involves genetic diversity, species diversity and ecosystem diversity which all functions together to form the complexity of life on earth.


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