Podcast
Questions and Answers
In which state of matter are the particles held very close to each other in an orderly fashion?
In which state of matter are the particles held very close to each other in an orderly fashion?
- Gas
- Liquid
- Plasma
- Solid (correct)
Which state of matter has neither definite volume nor definite shape?
Which state of matter has neither definite volume nor definite shape?
- Plasma
- Solid
- Liquid
- Gas (correct)
What happens to a liquid on further heating?
What happens to a liquid on further heating?
- It remains a liquid
- It changes to plasma
- It changes to solid
- It changes to gas (correct)
What happens to a gas on cooling?
What happens to a gas on cooling?
What characteristic defines liquids?
What characteristic defines liquids?
What are the two main stages of the cell cycle in eukaryotic cells?
What are the two main stages of the cell cycle in eukaryotic cells?
What occurs during the M phase of the cell cycle?
What occurs during the M phase of the cell cycle?
What are the control mechanisms known as in the cell cycle?
What are the control mechanisms known as in the cell cycle?
In which type of cells is the cell cycle divided into B, C, and D periods?
In which type of cells is the cell cycle divided into B, C, and D periods?
What does interphase involve in the cell cycle?
What does interphase involve in the cell cycle?
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Study Notes
Three States of Matter and Cell Cycle Overview
- Matter can exist in three physical states: solid, liquid, and gas
- In solids, particles are held close together in an orderly fashion with limited movement
- Liquids have particles close together but with freedom to move around
- Gases have particles far apart with easy and fast movement
- Solids have definite volume and shape, liquids have definite volume but not shape, and gases have neither definite volume nor shape
- States of matter are interconvertible by changing temperature and pressure
- The cell cycle is the series of events in a cell that causes it to divide into two daughter cells
- In eukaryotic cells, the cell cycle is divided into interphase and mitosis in the M phase
- During interphase, the cell grows and replicates its DNA and organelles
- Mitosis involves the separation of replicated chromosomes, organelles, and cytoplasm into two daughter cells
- Control mechanisms known as cell cycle checkpoints determine if the cell can progress to the next phase
- In prokaryotic cells, the cell cycle is divided into the B, C, and D periods, involving cell division and DNA replication
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