Eukaryotic Cells (animal and plant cells) have organelles. These organelles have many functions like storing genetic info, making energy for the cell, making proteins, etc. They help the cell run and work.
Answer:
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Explanation:
it is a severe respiratory disease and it us a virus. it originated in china in 2003 and started to spread a pandemic. it was first recorded in a hotel in China
Biological molecules are the chemical molecules which are present in living things. There are four basic types of biological molecules, these are carbohydrates, proteins, lipids and nucleic acid. The biological molecules present in onion juice are reducing sugar and protein. The reducing sugar could be tested for using Benedict's solution.
The correct answer is: A checkpoint will be activated if the spindle does not attach to a kinetochore.
Prokaryotes, do not undergo mitosis (like eukaryotes) and therefore have no need for a mitotic spindle. Prokaryotes also don’ t have checkpoints foor the regulation of cell division.
Normal eukaryotic cells (unlike cancer cells), move through the cell cycle in a regulated way in order to make sure that cells don't divide under conditions that are unfavorable for them. Information about their own internal state (nutrients, signal molecules, DNA integrity) is signal to go or not to go through the cell division. Because of that there are few checkpoints in the cell cycle at which the cell examines the signals and makes a “decision”. The major checkpoints are:
• The G1- the first point at which it must choose, once it passes the G1 checkpoint the cell enters S phase
• The G2-the cell checks DNA integrity and checks if replication is done well.
• The spindle checkpoint-at the transition from metaphase to anaphase.