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Roman55 [17]
3 years ago
9

Sinkholes and caves are an example of:

Biology
1 answer:
Anna35 [415]3 years ago
7 0

Answer:

I think it's D. Karst Topography

Explanation:

Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant rocks, such as quartzite, given the right conditions.

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What moves the plate tectonies?<br> lower mantle<br> asthenosphere<br> lithosphere<br> outer core
anygoal [31]

Answer:

Lithospheric

Explanation:

Lithospheric plates are part of a planetary scale thermal convection system. The energy source for plate tectonics is Earth's internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces

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3 years ago
Roman numerals in an outline signify _____.
xxTIMURxx [149]
Im sure its main ideas
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3 years ago
18. In replication of DNA, the helix is opened and what is unzipped?
aalyn [17]

Answer:

B) Hydrogen Bond

Explanation:

Those are the bonds that the restrictive enzymes unzip and the bonds that hold the complementary bases.

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3 years ago
What structure/material acts as "instructions" for the cell?
sattari [20]

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3 years ago
Gene expression in eukaryotes can be regulated at many different levels. List the different levels of regulation, and explain wh
Aneli [31]

Answer:

Transcription, mRNA (processing, transport, localization and stability), translation.

Explanation:

  • Transcription is regulated in two levels, though chromatin regulation (methylation and acetylation) to loose or increase histone's affinity to DNA and through cis and trans elements such as promoters, enhancers, and silencers (cis) to active/deactivate and RNA polymerase and transcription factors and co-factors (trans).
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  • In the translation stage, the regulation occurs during the initiation through a scanning procedure that ensures the 40s ribosomal subunit bind correctly to the untranslated portion of RNA

Hope this information is useful to you!

4 0
4 years ago
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