Answer:
d. Tryptophan would bind to the repressor
Explanation:
However,the repressor would not be able to bind to the operator and switch off transcription.The cell would still be making tryptophan even though it is being supplied by the medium in which it is growing.This is a waste of energy.
When exercising is when the lungs work the hardest because you're using a lot of muscles and are running around and are using force in your body so the lung works really hard to make sure the body gets enough air while working out.
Answer:
NASA systems are engaged in observing our Earth, from land and ecosystem processes to the oceans to the atmosphere—all of the systems that help determine the Earth's climate.
Explanation:
10 Ways Space Technology Benefits Our Earthly Existence
Cabin pressure monitor. ...
Advanced skin cream. ...
Sleep-enhancing app. ...
More efficient workouts. ...
UV tracker. ...
3-D video for brain surgery. ...
Earthquake protection. ...
Custom 3-D printing.
Answer: The Americas
Explanation:
Scientists use DNA to track the migration of humans across the planet. After a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. Therefore, DNA samples taken from __the Americas__ would have the most unique mutations, representing the most recent population to migrate to a new area.
