What was not considered in early taxonomic classifications

1 answer:

4 0

<span>The internal structue and phylogenetic relationships were not considered in early taxonomic classifications. Early classifications were mostly based on morphological characters like height, shape, color etc. The organisms have evolutionary relationships which were also not considered in earlier classifications.</span>

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How does the tar from cigarette smoking disrupt oxygen distribution to the cells?

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By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.

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Atoms combine when ____.

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In a particular species of frogs, black spots are a dominant trait and their absence is a recessive trait. In a population of fr

swat32

The correct answer is optionD 134/200.

The frequency of the dominant allele can be calculated by the summation of the frequency of the homozygous individual frequency that has dominant allele and half of the heterozygous individuals, as half of the heterozygotes have dominant allele.

The frequency is no of individual of desired trait divided by total number of individual.

The calculation is shown below: $frequency of dominant allele=frequency of dominant individual+\frac{1}{2} frequency of heterozygotes\\frequency of dominant allele=\frac{50}{100} +\frac{1}{2} (\frac{34}{100} )\\frequency of dominant allele=\frac{50}{100} +\frac{34}{200} \\frequency of dominant allele=\frac{2(50)+34}{200}\\ frequency of dominant allele=\frac{134}{200}$

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What is greatest common factor of 52 and 92

bekas [8.4K]

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Because of the presence of both activation and inactivation gates, voltage-gated Na channels can A. be activated B. all of these

gladu [14]

Because of the presence of both activation and inactivation gates, voltage-gated Na channels can be all of these.

Sodium voltage-gated channels can be either closed, open, or inactive.
Voltage-gated sodium channels are closed when at rest. Both an activation gate and an inactivation gate are present in voltage-gated sodium channels.
Although the inactivation gate is open, the activation gate is closed. This conformation is closed but capable of opening. Some of the activation gates open as a result of membrane depolarization brought on by a stimulus.
Both the activation and inactivation gates will be opened at this point. As sodium ions enter the cells, nearby activation gates will open.
A greater amount of sodium will enter the cells as a result, initiating an action potential.
Both gates open when certain depolarization thresholds are reached. Action potential increases to its maximum as sodium rushes into the cell.
The inactivation gate will gradually close and the permeability of the membrane to sodium ions will decrease. The channel is now in a state known as "closed but not capable of opening."
Up until the membrane potential reaches its resting state, this occurs. The channels once more assume the "closed but capable of opening" conformation when resting values are attained.

learn more about Na channels here: brainly.com/question/12977601

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