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goldfiish [28.3K]
3 years ago
11

A(n) ___ signal carries information by copying an original sound

Biology
1 answer:
crimeas [40]3 years ago
6 0

I am pretty sure the answer you're looking for would be Analog


I hope this helps:) Have a great day!!

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In a cross of heterozygous RW four o'clock plants (RW x RW) what proportion of the seeds will grow to produce pink flowers?
seraphim [82]
The answer is C.) 0.5. Hope this helps.
5 0
3 years ago
Read 2 more answers
What are the components of soil formed during primary succession
icang [17]

Plants play a crucial role in carbon cycle because they?

Allow  

Carbon to enter the ecosystem through photosynthesis

How are humans affecting the balance of carbon in the atmosphere

Burning fossil fuels has increased

Where would an ecologist be least likely to go study primary succession?

a place that already has a ecosystem

What kind of natural disaster helps some forest communities by allowing some trees to release their seeds by cleaning away deadwood and by encouraging new growth?

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7 0
2 years ago
The CRISPR/Cas9 system can cleave genomic DNA at sequences other than the desired target, a phenomenon referred to as off target
Deffense [45]

Answer:

The minimum length of a sgRNA sequence to avoid off target cleavage by the CRISPR/Cas system in the fly fruit genome is 14 bases

Explanation:

We are trying to use the CRISPR/Cas system to cleavage the genome of the fruit fly (which is 1.4x10^8 bp long). Also we desire the cleavage to be unique. That means we need a target sequence long enough to be able to assume it will only appear once in the genome.

First, we should think that in every position, we can find one out of four different nucleotide (A, C, T, G). So, the probability of getting a sequence of a given length "n" will be (1/4)^n (We are assuming that the probability of finding a nucleotide in the position "i", it's independent of the nucleotide we find in any other position "j").

Also, to know how many times a sequence will appear in a genome (the expected value of occurrence), we must multiply the probability of that sequence to randomly occur by the length of the genome. For our specific example, the number of occurence of a sequence of length "n" is:

nºoccurence=[(1/4)^n]*1.4*10^8

But in this case, what we want is the expected number of times the sequence will appear to be 1, and we want to obtain the length of the target sequence (n).

Given the information above, we know that:

[(1/4)^n]*1.4*10^8 =1

[(1/4)^n]=(1/1.4*10^8)=1.4*10^-8

Then, if we want to calculate n, we can use logarithms and its properties to get:

log[(1/4)^n]=log[1.4*10^-8]

n*log[(1/4)]=log[1.4*10^-8]

n=log[1.4*10^-8]/log[(1/4)] => n=13.29 approximately.

As the sequence needs to have a natural number of elements, <u>we can conclude that using a target sequence of a minimum of 14 bases with the CRISPR/Cas system in the fly fruit genome should be enough to avoid off target cleavage.</u>

3 0
3 years ago
An invasive species is an organism that’s not native to a particular ecosystem but ends up invading the region. The populations
denpristay [2]

An invasive species, such as the trees in your question, could:

- Out compete the native flora for resources, such as nutrients.

- An earlier reproductive and faster growing cycle could quickly surpass native tree growth.

- This alien species taking the place of native trees could disrupt the habitat of animal species that need the native flora instead.

4 0
3 years ago
The different neck lengths of the tortoises shown below is an example of:
Ulleksa [173]

Answer: D

Explanation:

5 0
3 years ago
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