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andrew11 [14]
3 years ago
13

Explain how a mutation causing resistance to pyrethrins and pyrethroids would spread through a population of bed bugs that are b

eing treated with the pesticide.
Biology
2 answers:
Lelechka [254]3 years ago
5 0
The correct answer is  In a population of bed bugs, variation exists. Some variation provides resistance to the pesticides. Those bed bugs survive to reproduce, passing the resistance on to offspring
Alona [7]3 years ago
3 0
A) In a population of bed bugs, variation exists. Some variation provides resistance to the pesticides. Those bed bugs survive to reproduce, passing the resistance on to offspring
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How do air masses affect the formation of tornadoes?
ira [324]

Answer:

Explanation:

[Verse 1: Mario]

It's-a-me, the Mario, the one that's gonna beat 'cha

It's gonna be, a party, yo, cause I brought my red suit, uh

You got speed, but you're really slow, cause it is not gonna save you, 'ya

You wanna be another Mario but you are gonna lose, uh

Look at you with your, ugly red shoes, eh uh

You look like you lost all your clothes, ooohh

It's -a me, a-Mario, the one that's gonna beat you

So you better back up now before you get bruised, (bruised, bruised)

[Verse 2: Sonic]

You can’t mess with me, cause I’m pure speed

I’m gonna leave you in the dust, you see

I can beatbox so much better

But you’re just only getting fatter

We know you like to live in the sewers

That’s why you smell like Kooper’s poopers

The castle is easy to break in

That’s why your girl is always taken

He only cares about the trophy

That's why he's always killin Yoshi

(Super, super, super, super!)

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You can't mess with supersonic

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You can't mess with supersonic

4 0
2 years ago
How did scientists determine SM0313 is the oldest star ever discovered?
Olin [163]

Answer:

The star sm0313, was discovered using the ANU skymapper telescope at the siding spring observatory and later confirmed by the megellan telescope in Chile. Somewhat surprisingly, it's located a "mere" 6,000 thousand light-years away, they origins date back to the beginning of time.

3 0
3 years ago
Read 2 more answers
The treelike fibers that receive information and send it toward the neuron's cell body are called ____
Firdavs [7]

Answer:

The treelike fibers that receive information and send it toward the neuron's cell body are called Dendrite

Explanation:

Dendrite:-  They are tree like projections generally the extension of nerve cell which helps in the transmission of nerve impulses or electrochemical stimulation from one neuron to another. It is also known as dendrons. For neurons to become active they need some action potential, these action potentials are received in the form of nerve impulses or electrochemical stimulation by dendrite and is been stored  in the cell body, or soma, of the neuron. Dendrites are covered by synapses (Structure that permit neural transmission).

3 0
3 years ago
Help please !! I really don’t understand this much☹️
morpeh [17]
Ok, so I wrote these out just to make it a little bit easier for you to understand what I am about to explain.

So for the first one you have two different traits that can be inherited- having freckles or having no freckles, F and f respectively. The dominant trait (or having freckles) is shown by the capital F, and is almost always expressed over the recessive trait, or the lowercase f. So, for example, if you have a genotype of Ff, the trait having freckles will show up instead of not having freckles. The only way that you could have the trait of no freckles show up is if there are two recessive alleles for having no freckles, or ff. In this case, you have two parents who are both heterozygous for the trait of having freckles, so in other words the mother has Ff and the father has Ff. Each parent passes down one allele to the offspring, so since you are breeding Ff and Ff, you should result in having the possible genotypes of FF, Ff, Ff, and ff. This means that there is a 25% chance that the offspring will be homozygous for having freckles, a 50% chance that the offspring will be heterozygous for having freckles and a 25% chance that they would be homozygous for having no freckles, or a 1:2:1 ratio.

Incomplete dominance is a little bit different that just a normal monohybrid cross. Instead of just the dominant gene showing up in a heterozygous genotype, both traits show up. So like the question says, if a homozygous red flower plant was crossed with a homozygous white flower plant, their offspring would not just be white or red, they would be pink because it is a mixture of white and red. So then if you crossed the heterozygous, or Rr plants, the result would be a 25% chance of getting a homozygous RR red plant, a 50% chance of getting a pink Rr plant, and a 25% chance of getting a white rr plant, or another 1:2:1 ratio.

Sorry for the wordy answer, but hopefully this helps you understand this a little better :)

4 0
3 years ago
What is the basic unit of a nucleic acid and what is it made of?
riadik2000 [5.3K]
The basic repeating unit of nucleic acids are known as nucleotides. A nucleotide consists of three distinct chemical groups, a 5-carbon sugar (ribose or deoxyribose), a nitrogen-rich base - (cytosine (C), guanine (G), adenine (A), thymine (T) in DNA or uracil (U) instead of T (in RNA), and phosphate.
4 0
2 years ago
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