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svet-max [94.6K]
2 years ago
14

Describe insecticide resistance?

Biology
1 answer:
Inga [223]2 years ago
4 0
Insecticide resistance is the development by insects of resistance to insecticides. It is the ability an insect can either get naturally or by mutations to withstand the effects of insecticides aka becoming resistant. 
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_____ modify the rate of enzyme activity.<br> Cells<br> Carbohydrates<br> Nucleic acids
Luba_88 [7]
<span>The correct answer is A. Cells. Carbohydrates are used in ATP and energy production and usually come in forms of breads or sugars, while Nucleic Acids are acids that encode and store information about the organism and are essential for the well being of the organism. They exist in 2 forms, the RNA and the DNA.</span>
3 0
3 years ago
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A plane is traveling at 80 m/s. To prepare for landing, it decreases its speed to 50 m/s in 120 s.
emmainna [20.7K]

Answer:

The deceleration of the plane is 0.25 m/s^{2}.

Explanation:

Deceleration is the converse of acceleration.

From first law of motion, we have;

v = u + at

where: v is the final velocity, u is the initial velocity, a is the acceleration and t is the time taken.

Thus,

v = 50 m/s

u = 80 m/s

t = 120 s

50 = 80 + 120a

50 - 80 = 120a

-30 = 120a

a = \frac{-30}{120}

  = -0.25

a = -0.25 m/s^{2}

The deceleration of the plane is 0.25 m/s^{2}.

4 0
3 years ago
Which of the following statements best describes the state of DNA inside of a prokaryotic cell?
alexdok [17]

Answer:

C.

Explanation:

It's a single strand of circular DNA found in the central area of the cell, which is not surrounded by a nuclear membrane.

8 0
2 years ago
A titratable group is in the active site of an enzyme and must be protonated for the enzyme to function. Assume that the group h
olya-2409 [2.1K]

Answer:

The correct option is 3. "At pH 6.5 the enyzme is 50% active"

Explanation:

For the titratable group to be protonated and cause the enzyme to be in the active state, it needs to have gained a hydrogen cation (H+). In order for that to happen, there must be enough hydrogen cations in the environment of the enzyme, and hence, an acidic pH is required in this case.

7 0
3 years ago
An individual of the genotype “Aa” mates with an individual of the genotype “Aa”. What is the probability that their first two o
Ratling [72]

Answer:the probability of their first two offspring being aa is 0.25

Explanation:

Because their are 4 possible genotypes for the offsprings

AA Aa Aa aa

And the probability of aa is 1/4

7 0
2 years ago
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