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Leviafan [203]
2 years ago
15

Help no links or you'll be reported

Biology
1 answer:
Mrrafil [7]2 years ago
6 0

Answer:

Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell through the various checkpoints. Cyclins regulate the cell cycle only when they are tightly bound to Cdks.

Explanation:

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What are the impacts of human beings on biodiversity ?​
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5 0
2 years ago
Read 2 more answers
Why is mechanical digestion and important to chemical digestion
dangina [55]
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.



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6 0
2 years ago
The ___ of a solution is the negative logarithm of the hydrogen ion concentration expressed in moles per liter.
alisha [4.7K]

Answer:

The precise definition of pH is "the negative common logarithm of the activity of hydrogen ion in solution". For practical purposes, the activity is approximated as concentration in moles/L: pH = - log 10 ([H+]) .

Explanation:

6 0
3 years ago
HELP!! The figure below shows ocean currents. Where will climate change slow the currents the most, causing colder temperatures,
PolarNik [594]

Answer:

Along the Kuroshio Current, because it is carrying water north towards melting ice caps

Explanation:

The ocean currents have the tendency to be faster when they are warmer, and to be slower when they are colder. The reason for this is that the warmer water is less dense, thus it can move more quickly, while the colder water is denser, thus heavier, so it moves slower. The Kuroshio Current moves from the lower latitudes toward the higher latitudes. As it does, this ocean current is becoming colder and colder as it gets closer to the higher latitudes, so it is becoming denser, heavier, and because of it slower. Another thing that will contribute to this current's slowing down are the melting ice caps because of the climate change, as they will make the water even colder, and the Kuroshio Current will come across this cold water, so it will decrease its speed significantly.

5 0
3 years ago
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