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.
The place where an organism lives and that provides the things it needs to survive is its habitat.
There are three types of basic neurons: sensory, motor and interneurons.
Sensory neurons <span>carry information to the brain, and motor neurons relay information from the brain to the muscles.
</span>The sensory neurons carry messages from sense organs (light, smell, sound, etc.) to the brain, while motor neurons c<span>arry messages from the brain to the muscles or glands of the body.</span>
<span>Materials are anything consumed in the experiment; water or salt for example.
Apparatus would be such items as beakers and thermometers; things that are not consumed; things that you would expect to find in a lab as standard equipment </span>
1-A
2-C
3- A
These should be the correct answers