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mote1985 [20]
3 years ago
9

What is the purpose of a checkpoint in the cell cycle?.

Biology
1 answer:
Nadya [2.5K]3 years ago
6 0

Answer:

Cell cycle checkpoints are surveillance mechanisms that monitor the order, integrity, and fidelity of the major events of the cell cycle. These include growth to the appropriate cell size, the replication and integrity of the chromosomes, and their accurate segregation at mitosis.

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Which phrase best describes a meteoroid
Licemer1 [7]
Hello!

The phrase that best describes a meteoroid is "Small pieces of rock and dust in space"

Meteoroids are small bodies of the solar system. They are rocks between 100 μm -50 m in diameter that are smaller than comets and asteroids and bigger than cosmic dust. They commonly are fragments of comets and asteroids that had been separated from them by heavy impacts. When a meteoroid enters the atmosphere, it burns, and the glow that this burn produces is what we call "shooting stars". However, the correct definition is the mentioned above.

Have a nice day!
6 0
3 years ago
These particles make the nucleus of the<br> atom stable
Radda [10]

Answer:

An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy. Instability of an atom's nucleus may result from an excess of either neutrons or protons.

Explanation:

4 0
3 years ago
What are two properties of water that are caused by the attractions between water molecules
Vanyuwa [196]

Answer:

They are called hydrogen bonds

7 0
3 years ago
Which of the following is not an advantage of using the metric system
Sindrei [870]
It was designed in France in 1791. This is not an advantage!
7 0
3 years ago
1. What molecule carries chemical energy that cells use for their functions?
Assoli18 [71]

Answer:

adenosine triphosphate

Explanation:

Your energy does come from food, but not directly. All cells, like that in Figure 1.1, use chemical energy carried by ATP— adenosine triphosphate. ATP is a molecule that transfers energy from the breakdown of food molecules to cell processes.

8 0
3 years ago
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