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VashaNatasha [74]
3 years ago
8

T/F Osmosis requires energy. A.True B.False

Biology
1 answer:
FromTheMoon [43]3 years ago
5 0

Answer:

false

Explanation:

false because there is no way Osmosis requires energy

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Describe the physiological events occurring in the heart muscle represented by each ECG component (the P wave, QRS complex, and
Sauron [17]

Explanation:

  • <em>The P wave</em><em> represents the atrial depolarization (sum of the right and left atriums) and the atrial contraction.</em> In normal circumstances, the P wave is smooth and rounded (<2.5 mm) and no more than 0.12 seconds in duration. It's the first positive deflection (you can see this in the image I added)
  • <em>QRS complex</em> can include the Q wave, R wave, and S wave, but there are exceptions. <em>It represents the electrical impulse through the ventricles causing the ventricular depolarization.</em> <em>Its amplitude is the largest because ventricles are the chambers with the largest mass in the heart </em>and it has a duration of 0.06-0.10 seconds in adults.
  • <em>The T wave</em> is the positive deflection that follows the QRS complex, it represents the ventricular repolarization. It is slightly asymmetric (peak closer to its end). Normally this wave follows the QRS complex's direction, if this doesn't happen, it's reflecting a cardiac pathology.  
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3 years ago
Which sequence of events best explains the interaction between the components of the Arctic ecosystem feedback loop
nikitadnepr [17]

The sequential events in the Arctic ecosystem feedback loop are: Global temperature increases → permafrost thickness decreases → methane increases → global temperature increases. It is harmful to the Earth.

The Arctic ecosystem is a feedback loop because the warmer the temperatures, the less sea ice (permafrost) is observed.

The Arctic ecosystem feedback loop is a dangerous phenomenon because it accelerates global warming.

Permafrost refers to ice ground that remains completely frozen (0°C) for at least two (2) or more years straight.

Learn more about the Arctic ecosystem here:

brainly.com/question/1178916

7 0
2 years ago
Which is an example of negative phototropism?
ra1l [238]
Since its negative, it means it is growing away from the light source. It's a rather odd question because plants usually grow towards the light source.
8 0
3 years ago
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A mutation changes the DNA sequence AAGCCTGGCAAT to the new sequence AAGCCTGGCAAT what kind of mutation has occured?
ziro4ka [17]
I would say C Duplication since both of the DNA sequences are identical.
5 0
3 years ago
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Which is easier to identify: prophase, metaphase, anaphase, or telophase?
Romashka [77]

Answer:

metaphase

Explanation:

The easiest stage of mitosis to identify under the microscope is the metaphase stage.

<em>The stage is characterized by the alignment of chromosomes at the center (the equator) of the cell forming what is known as the 'metaphase plate'. The metaphase plate can easily be seen at a glance under a focused microscope. Other stages of mitosis are continuous and will take a bit of effort to pinpoint a particular stage from the transition stage. </em>

7 0
3 years ago
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