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frez [133]
2 years ago
12

When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the oper

ator?
A) inducer
B) promoter
C) repressor
D) corepressor
Biology
1 answer:
Sauron [17]2 years ago
5 0

The molecules that bind to a repressor so that the repressor no longer binds to the repressor operator

<h3>The repressor no longer binds to the operator?</h3>

The lac repressor protein binds to the operator and blocks the binding of RNA polymerase to the promoter and transcription of the operon. The promoter is the binding site for RNA polymerase, the enzyme that carries out transcription. The operator is a negative regulatory site to which the lac repressor protein binds.

With this information, we can conclude that the molecules that bind to a repressor so that the repressor no longer binds to the repressor operator.

Learn more about  RNA polymerase in brainly.com/question/13326597

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Please fill out the Punnett Square with the correct Alleles, then answer the questions.
LUCKY_DIMON [66]

Bb    |      bb

Bb    |   bb

The chance of having recessive traits is 50%

The chance of having dominant traits is 50%

Hope this helps ! :)

4 0
3 years ago
Read 2 more answers
Arrange the following in the proper sequence in which they occur during a single PCR cycle. 1. Addition of DNA nucleotides by Ta
Amanda [17]

Answer:

<h2> 3-2-1</h2>

Explanation:

PCR is the process of DNA duplication in vitro. We can make millions of copies of DNA in a very short period.

PCR completed in three steps;  as in question these are

Step 1: Denaturation; Heat separation of strands of target DNA.

Step 2: Annealing; as complementary base pairing between primers and target DNA.

Step 3: Extension; Addition of DNA nucleotides by Taq DNA polymerase.

8 0
3 years ago
A student's grade goes from a 95 to a 65 in 3 weeks. Calculate
steposvetlana [31]

-10grade/week

Explanation:

Given parameters:

Initial grade = 95grade

Final grade = 65grade

Time = 3weeks

Unknown parameter:

Rate of change of grade = ?

Solution:

Rate is defined as the change of a quantity with time.

 Rate of change of grade  = \frac{Final grade - Initial grade}{Time}

Rate of change of grade  = \frac{65 - 95}{3} = \frac{-30}{3}

Rate of change of grade = -10grade/week

The rate of change of the student's grade is -10grade/week. It implies that the grade of the student reduces by 10unit per week.

5 0
3 years ago
If plaque buildup reduces the radius of the artery by a factor of 2, by what factor does the flow rate change?
lisabon 2012 [21]

If plaque buildup reduces the radius of the artery by a factor of 2, the flow rate becomes 1/16th of the original.

Coronary heart disease results from a deposition of plaque in the blood vessels which transport blood to the heart. When the flow of blood to the heart is hampered or obstructed, the heart can be harmed due to a deficiency of oxygen.

Moreover, if a large section of plaque that is deposited gets displaced from an artery wall, it can get stick in other arteries in the body as well,  including those present in the brain.

For convenience, an assumption can be made that the artery is cylindrical in shape with a radius of R. The flow rate of a viscous fluid (blood in this case) is determined by Poiseuille's Law, i.e. Q = (π/8) (ΔP/ηl)r4.

To learn more about Poiseuille's Law here

brainly.com/question/14830017

#SPJ4

8 0
2 years ago
Describe some ways that human activities are affecting aquatic ecosystems. Propose strategies that individuals can use and gover
Art [367]

Answer:

Humans are heavily polluting the waters in many areas with chemicals, medicine (for people), and garbage. A way that the government can help stop this issue is to have groups do routine cleanings of natural bodies of water along with prohibite the use of disposable items in the area like cups and/or bags.

Explanation:

5 0
3 years ago
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