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mezya [45]
2 years ago
6

Please help I don't understand!

Biology
1 answer:
dolphi86 [110]2 years ago
7 0

Answer:

They find and destroy invading bacteria. Phagocytes are like the guardian cells of our immune system.

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How can water affect the rock cycle?
yKpoI14uk [10]

Eroding the rock slowly away

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3 years ago
Which activities are ways to reduce the negative impacts humans have on Earths resources? Select two options
Maslowich

Answer:

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The landscape in which limestone is eroded to form deep valleys and cavers are called Karst landscape or karst topography. This kind of development start occuring whenever the acidic water starts breaking down the bedrocks near the cracks. As the bedrock starts breaking down slowly, the cracks start to open up creating bigger holes. with passage of time the holes will become big enough to create an underground drainage system for the surface water to flow and form underneath. If the water is unable to flow out and becomes stagnant, then the Karst will start getting bigger. 
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3 years ago
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Classify each description as true of introns only, exons only, or both.A-present in eukaryotic genomesB-generally absent from ba
maxonik [38]

The right answers are:

A-present in eukaryotic genomes ==> Both exons and introns

B-generally absent from bacterial genomes ==> Introns

C-part of the final mRNA strand ==> Exons

D-code for an amino acid sequence ==> Exons

E-removed from initial mRNA strand prior to translation ==> Introns

F-present in the DNA used as the template for transcription ==> Both exons and introns

In the genes of eukaryotic organisms, the exons are the segments of an RNA precursor that are conserved in the RNA after splicing and that are found in mature RNA in the cytoplasm. The segments of the RNA precursor that are removed during splicing are called in opposition to introns. Exons are mainly found in messenger RNAs (mRNAs) encoding proteins. Some mRNAs may sometimes undergo an alternative splicing process in which one or more exons may be excised or some introns preserved in rare cases.

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Which of the following correctly describes animals?
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C. Eukaryotic heterotroph correctly describes animals, and fungus or bacterias would would be prokaryotic.
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