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melamori03 [73]
2 years ago
11

When did matthias schleiden discovered plant cells

Biology
1 answer:
astraxan [27]2 years ago
8 0

Answer: <em><u>1838</u></em>

Explanation: In 1838 Schwann became familiar with Matthias Schleiden's microscopic research on plants.

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Fynjy0 [20]

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supporting

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Because they were inspired by the idea. Which means that they wanted to help in the development of a good ecosystem.

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3 years ago
Which of the following statements is a false or incorrect statement?
irakobra [83]

Answer:

The correct answer is option d) "damage to the primary motor cortex results only in the loss of both voluntary muscle control and reflexes".

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It is false that damage to the primary motor cortex results only in the loss of both voluntary muscle control and reflexes. Many people that suffer from brain damage by strokes suffer from primary motor cortex damage. This damage not only affects voluntary muscle control and reflexes, as it affects muscles movement of any kind and can affect coordination as well.

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(a) It is possible to measure a patient’s heart rate by either palpating their peripheral pulse, by observing their ECG, or by l
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B)<span>When you listen to the heart sounds, you are hearing the flow of blood which stops abruptly when a heart valve closes. This produces the "lub-dub" sounds. 1st heart sound (when the Mitral Valve closes) as the ventricle contracts (systole) and then 2nd heart sound (when the Aortic Valve closes) and the ventricle starts to fill again (diastole)
</span><span>The pulse is the wave of pressure you can feel through the artery walls. This denotes systole.
</span><span>The ECG's QRS complex is the electrical signal that tells the Ventricles to contract. You can see that the QRS occurs right at the beginning of systole and triggers Isovolumetric contraction.
</span><span>So the QRS on the ECG, the pulse wave you can feel (ie. the rise in aortic pressure) and the 1st heart sound all signify SYSTOLE.
</span><span>there a delay between systole of the ECG and the resulting pulse felt in the finger (R-Pulse) </span>because it takes a little bit of time for the pressure to transmit through the body, as the finger is not on the heart (if it was there would be no delay)
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Which organelle functions as the main power source of a cell, breaking down sugar to produce energy
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