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2 years ago

Phosphorescence is a phenomenon associated with which algal division?

1 answer:

5 0

The correct answer to this question is this one: "D. Brown algae." Phosphorescence is a phenomenon associated with this algal division that is called the Brown algae. It is also defined as the <span>light emitted by a substance without combustion or perceptible heat.</span>

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Which statement best represents how structure relates to function?

Licemer1 [7]

Answer:

Explanation:

the structure is their serrated teeth & the function is tearing into their prey.

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2 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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1 year ago

Water boils at 220 degrees a statement or not

3241004551 [841]

Water boils at 212 degrees farenhiet

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2 years ago

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A specific brand of gourmet chocolate candy contains 7.00 g of dietary fat in each 22.7-g piece. how many kilograms of dietary f

timofeeve [1]

7 g of dietary fat in each 22.7 g piece.
To convert pounds to kilograms,
1 kg = 2.205 lbs
Thus; 1 lb is equal to 1/2.205 kg
Thus; (1/2.205) × (7/22.7)
= 0.14 kg
Therefore; that would be 0.14 kg of fat per 1 lb of chocolate.

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2 years ago

Describe the role of the following in maintaining a constant body temperature in humans

andriy [413]

Answer:

Humans maintain a body temperature of 37oC; .

If the temperature is above or below 37oC, the hypothalamus receives information from thermo receptors in our skin and sends electrical impulses, along nerves, to the parts of the body which have the function of regulating our body temperature

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2 years ago