We can confirm that if we used a minimal medium first and attempted to transfer from that to a complete medium second, certain types of bacteria would not be able to survive the first medium.
<h3>What bacteria would be affected?</h3>
This has to do with many kinds of bacteria, but particularly auxotrophs. These are bacteria who have trouble producing the substances they need to survive, so in an incomplete medium, these bacteria would not have a high chance to survive until moved to the complete medium.
Therefore, we can confirm that if we used a minimal medium first and attempted to transfer from that to a complete medium second, certain types of bacteria would not be able to survive the first medium.
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Answer:
True
Explanation:
Water molecules can move across a membrane due to size of the molecule. Water molecules are small in size thus can diffuse easily. Big size molecules cannot move across the membrane because the membrane is selectively permeable with tiny pores that allow free passage of gases and water.
A pap test is a screening test that can detect pre-cancerous and cancerous cells and processes in an important part of the female reproductive system, the cervix. It is at the secondary level of preventative care, because it screens asymptomatic individuals to detect as soon as possible a serious disease.
Asteroid impact
Volcanic eruptions
Explanation:
Asteroid impact and volcanic eruptions are two common events that could lead to a mass extinction.
A mass extinction is an abrupt decrease in life on earth due some catastrophic event.
- The collision of a large bolide on the surface of the earth is a catastrophe in itself.
- The collision and its aftermath have destructive consequences on life.
- The force of the collision can reverberate in form of vibration throughout the earth.
- It can cause heating of the earth surface.
- Volcanic eruptions can become global phenomenon that upsets the earth balance.
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