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Arada [10]
3 years ago
11

How does selection affect the genetic variation in the population?

Biology
1 answer:
fenix001 [56]3 years ago
6 0

Genetic traits that survive through selection increase throughout a population.

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semi anThe bones of a prehistoric man found in the desert of New Mexico contain approximately 5% of the original amount of carbo
Kitty [74]

Answer:

24555 years

Explanation:

Data provided in the question:

Half life of carbon 14 = 5700 years

carbon present in the dead man = 5% of the original amount of carbon 14

Now,

let the initial Amount of carbon be 'A'

Therefore,

after half life

Amount of carbon = \frac{A}{2}

Thus,

\frac{A}{2} = Ae^{kt}

here,

k is the decay constant

t is the time = 5700 years

therefore,

1 = 2e^{k\times5700}

or

0.5 = e^{k\times5700}

taking natural log both the sides

-0.69314 = 5700k

or

k = - 0.000122

therefore,

for dead man Amount of carbon = 5% of A = 0.05A

thus,

0.05A = Ae^{( - 0.000122)t}

or

0.05 = e^{( - 0.000122)t}

taking natural log both the sides

we get

-2.995 = - 0.000122 × t

or

t = 24555.18 ≈ 24555 years

7 0
3 years ago
________________ is the name given to the clock signal that occurs evenly spaced time durations during which data signals are se
Ipatiy [6.2K]

Answer;

Bit clock

-Bit clock is the name given to the clock signal that occurs evenly spaced time durations during which data signals are sent in synchronous transmissions.

Explanation;

The term "bit clock" is used to describe a one cycle per sample "square wave" signal used for internal synchronization within digital audio equipment.

-In synchronous  transmission data signals are sent along with a clock signal which occurs at evenly spaced time duration referred to as the bit time. On the other hand, in asynchronous  Data signals are transmitted without an associated clock signal. The time spacing between data characters or blocks may be of arbitrary duration, meaning the spacing is not standardized. Therefore, frames require start and stop indicator flags.


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4 years ago
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Prokaryotes have no (blank) DNA in their (blank)
lesya [120]

Prokaryotic cells lack a defined nucleus, but have a region in the cell, termed the nucleoid, in which a single chromosomal, circular, double-stranded DNA molecule is located.

7 0
3 years ago
Why will the world never run out of carbon?
jekas [21]
Because we have carbon in the ground in the air and every were else
3 0
3 years ago
What are Scoville units?
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Scoville units is the scale used to determine how "hot" a pepper is. 
A sweet bell pepper, which isn't spicy at all, has a ranking of 0. 
The Carolina Reaper, one of the hottest peppers in the world, has a ranking of up to 2,200,000.
7 0
3 years ago
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