Answer:
On a biological level, the main difference is that bacteria and free-living cells can live inside or outside a body, while viruses are a non-living collection of molocules that need a host to survive.
Explanation:
<u>The resting </u><u>membrane</u><u> potential would become </u><u>more positive</u><u> because researchers are taking negatively charged molecules out of the cell.</u>
Which methods were used to record the resting membrane potential and action potential of the squid axon choose all that apply ?
- The squid axon's action potential and resting membrane potential were captured using the following experimental strategy.
- Using a recording microelectrode inside the cell that is connected to a second electrode outside the cell .
What is cell membrane ?
- All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.
A semipermeable lipid bilayer makes up the cell membrane. - The movement of materials into and out of the cell is controlled by the cell membrane.
What are the functions of a cell membrane?
- The cell membrane, therefore, has two functions: first, to be a barrier keeping the constituents of the cell in and unwanted substances out .
- second, to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
Learn more about cell membrane
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<span>Prolonged stress due to sustained child abuse is associated with reductions in the size of the: hippocampus </span>
Answer:
When seeking to determine the number of shirts made by employees subjected to noise with and without the use of headphones, the independent variable is the amount of noise.
Explanation:
During an investigation, the independent variable may be subject to change, in order to observe the effect it will have on the dependent variable.
In the case presented, the amount of noise to which employees are exposed represents the independent variable, which is modified by the use of headphones that block all or part of the noise.
The productivity —expressed in the number of shirts made— can be expected to be higher for employees not exposed to noise.
Other options do not apply because:
- <u><em>The number of shirts made by the employee</em></u><em>. Dependent variable
.</em>
- <u><em>The type of music the employees listen to while they work or the amount of training employees need</em></u><em>. These are not the variables studied.</em>
