Kindly see answers below:
1. operon is not transcribe• b.) lac operon: lactose absent• e.) trp operon: tryptophan present2. operon is transcribed, but not sped up by the positive control• a.) trp operon: tryphophan absent• d.) lac operon: lactose present, glucose present3. operon is transcribed quicklu through positive control• c.) lac operon: lactose present, glocuse absent
Answer:
A) the envelope of gases surrounding the Earth the envelope of gases surrounding the Earth
Explanation: A biosphere is layers of gas surrounding earth's atmosphere, the envelope of gases surrounding the Earth is the closest thing to that description.
The third law of motion says: for every action, there is and equal and opposite reaction. In the case of the octopus, this is nicely demonstrated with it's method of travelling. The octopus makes an action, which is it shooting water at high rates in a certain direction, and the equal and opposite reaction is that the octopus's shooting of water in certain direction, moves him into the opposite direction with the rate that it is shooting the water.
Answer:
In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus. All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.
Explanation: