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inessss [21]
3 years ago
14

Natural influences in the Tundra Biome

Biology
1 answer:
Sladkaya [172]3 years ago
4 0
The weather and amount of resources
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Choose the incorrect statement. a.Muscarine binding to a G protein-coupled receptor results in the activation of the amplifier e
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Muscarine binding to a G protein-coupled receptor results in the activation of the amplifier enzyme adenylate cyclase, and formation of cAMP.

Explanation:

Because I thought the mechanism by which the muscarinic receptor inhibits adenylyl cyclase is through activation of an inhibitory GTP-binding protein, Gi. The α subunit of Gi competes with the α subunit of the G protein activated by stimulatory agonists (GS) for regulation of adenylyl cyclase.

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Label the pictures with the correct phase of mitosis:
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Answer:

( Going from left to right )

- Prophase -

- Telophase & Cytokinesis -

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Explanation:

Prophase - Chromatin condenses making the chromosomes visible.

the nuclear envelope breaks down - makes it look like it has butterflies

Remember: The "PRO-phase" gets -butterflies- when it's about to start a race, but he lost so he starts to have a -break down-.

Metaphase - The chromosomes become aligned at the "center" or equatorial plane.

Remember: metaphase in Greek means "between" and "stage" and during this stage, the chromosomes stop moving back and forth, and also there are kept in the middle of the cell !!

Anaphase - sister chromatids separate and the resultant daughter chromosomes move toward the poles.

Remember: Sister Anna has a twin they both move out of their home and separate. One moves to the north pole and the other lives in the south pole.

Telophase - Daughter chromosomes reach the poles and form two new nuclei.

Remember: Anna and her twin settle in their new homes and both of the sisters throughout the year have two children or "nuclei" each, and also call each other on the "telephone" almost every day. :)

hope this helps <3

6 0
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List 10 Facts About the Rusty-Spotted Cat.
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its spots are not rusty they look that way they are a shade of a carmal brown like spots actual rust is like a herseys bar no cat can look like actual rust my may look kindof like rust but never will look just like it

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no i did not look it up i just have a that looks kind of like rust

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In science class, Maria observes a white-colored cut flower. She sees that the petals turn red when the flower is sitting in a v
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A hypothesis refers to a suggested illustration for a phenomenon. For a hypothesis to be a scientific hypothesis, there is a need to test it. Upon analysis, a hypothesis can be modified or rejected, but it can never be proved 100 percent accurate.  

A hypothesis needs more work by the individual testing it in order to either disprove or confirm it. A working hypothesis refers to a hypothesis, which is tentatively accepted as a foundation for a further research.  


3 0
3 years ago
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