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bonufazy [111]
2 years ago
9

Some wetlands have high salinity. Does that restrict the number of species that live there?

Biology
1 answer:
nordsb [41]2 years ago
3 0

Answer:

Yes

Explanation:

Wetlands as salinity increases over time, wetlands become degraded, endangering wetland species and decreasing biodiversity

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When RNA is processed in the nucleus and made ready for transfer out into the cytoplasm for protein synthesis, which of the foll
IRISSAK [1]
Answer:
Letter E - exons are cut from the strand and removed

Explanation:

Letter A and B are incorrect because the poly-A tail and guanine cap are added to the 3’ and 5’ end respectively. They aid in translation of the mRNA, while serving as protection. The poly-A tail is repeated adenine nucleotides, while the guanine cap is a modified guanine nucleotide.

Letter C is incorrect because alternative splicing is one mechanism for generating variation, and is thought to be one of the reasons for why humans have smaller genomes than other organisms and still maintain high complexity. Alternative splicing is incredibly important because it produces more than one transcript from a pre-mRNA.

Letter D is incorrect because introns are the non coding portions of the mRNA. They are excised to make a smaller mRNA transcript, and one that contains all the protein genes.

This letter E is the correct answer, because exons are the coding portions of the mRNA, and are not excised during RNA processing.

Hope that helped! If I made a mistake, please let me know.
8 0
3 years ago
True or False: A is the hanging wall and B is the foot wall.
Nadya [2.5K]

Answer:

False

Explanation:

so they hanging walls above the plane of the fault (and over your head and the footwall is below the plane of the fault (and is under your feet)

6 0
2 years ago
The DNA structure is similar to a ladder. Choose the molecules that make up the "rails" or sides of the DNA structure.
svp [43]

Answer:

guanine, adenine, cytosine,

Explanation:

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2 years ago
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What are some things a cell would need to take in to carry out it’s life processes in order to maintain homeostasis
Korolek [52]

Answer:

In order to establish and maintain their complex organization and structure, organisms must obtain, transform, and transport matter and energy, eliminate waste products, and coordinate their internal activities. Cells take highly varied forms in different plants, animals, and microorganisms.

Explanation:

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