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BigorU [14]
4 years ago
14

When is the lac operon most active?

Biology
1 answer:
Over [174]4 years ago
8 0
I believe it's "C. When glucose levels are low and lactose is present" I may be wrong.
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UV radiation can directly cause the DNA within cells to mutate, which may eventually lead to the formation of
luda_lava [24]

Answer:

UV radiation may cause negative regulators (tumor suppressors) to be under-expressed. UV radiation may cause positive regulators (oncogenic) to be over-expressed.

Explanation:

I found this on a quizlet. So credits to them- :)

6 0
3 years ago
Which plant hormone or phytohormone acts as a growth inhibitor?
Digiron [165]

Answer:

Abscisic acid.

Explanation:

Also written as ABA.

Act as Growth inhibitor.

Sorry if I write wrong spelling of abscisic acid. (But I think it's right)

6 0
3 years ago
ONE FOOD CHAIN that was affected by the introduction of wolves and model it
MAVERICK [17]

Answer:

Carnivorous

Explanation:

The wolf, also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, and gray wolves, as colloquially understood, comprise non-domestic/feral subspecies. Wikipedia

4 0
3 years ago
What substance causes plants to be green?
alisha [4.7K]

Answer:

Chlorophyll

Explanation:

I got it right on edj.

5 0
3 years ago
If a muscle contracts isometrically for a long period of time, an EMG (which records the electrical activity in the muscle) reco
oksian1 [2.3K]

Answer:

During the course of a continuous isometric contraction of given strength, the electrical activity progressively increases. This is due to recruitment of motor units taking place to compensate the decrease in force of contraction occurring in the fatigued muscle fibres.

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