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Maksim231197 [3]

4 years ago

5

Dan is an overweight, middle-aged history professor who snores loudly and periodically stops breathing during sleep. dan has a c

ondition known as

1 answer:

Murrr4er [49]4 years ago

6 0

Dan has sleep apnea ...

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If you lived on Mercury, you would:

Rudik [331]

Answer:

"Be freezing at night because the planet has no atmosphere" is the correct answer.

Explanation:

I was doing my reading in OW and I quote this is what OW said:

Temperatures during the day can reach 430°C (800°F), but can drop to -170°C (-280°F) at night because there is no atmosphere to trap heat.

Hope I helped:)

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8 0

3 years ago

5. The sodium-potassium pump is an example of

Nonamiya [84]

Answer:

its passive transport

Explanation:

The sodium-potassium pump sets the membrane potential of the neuron by keeping the concentrations of Na+ and K+ at constant disequilibrium.

7 0

3 years ago

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In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of the allele a is 0. 3. What i

zavuch27 [327]

Here, given-

homozygous alleles 'a' have a frequency of 0.3.

Also the alleles are in equilibrium in a Hardy-Weinberg population. The frequency of individuals that are homozygous for this allele are= 0.49.

The Hardy-Weinberg equilibrium can be defined as the principle which states that the variation in the genetic makeup of a population remains constant and unchanged till there are no external interferences, influencing the population.

Calculation-

$p + q = 1\\0.3 + q= 1\\q= 1- 0.3\\\\q= 0.7$

Then to find the frequency of the individuals homozygous for this allele the following formula needs to be used-

$p^{2} + 2pq + q^{2} =1$

$p^{2} = dominant homozygous frequency\\2pq= heterozygous frequency\\q^{2} = recessive homozygous frequency\\$

Thus, the individuals homozygous for the allele can be calculated by $q^{2} = (0.7)^{2} \\= 0.49$

Learn more about the Hardy-Weinberg equilibrium here-

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2 years ago

Identify the role(s) of atp in muscle contraction.

hram777 [196]

ATP<span> is responsible for cocking (pulling back) the myosin head, ready for another cycle. When it binds to the myosin head, it causes the cross bridge between actin and myosin to detach. </span>ATP<span> then provides the energy to pull the myosin back.</span>

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3 years ago

Which of the following best describes similarities between archae and eubacteria?

ra1l [238]

The answer would be A

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4 years ago