Answer:
ALS causes the motor neurons to gradually deteriorate, and then die. Motor neurons extend from the brain to the spinal cord to muscles throughout the body.
The cell wall of gram-negative bacteria is thin (approximately only 10 nanometers in thickness), and is typically comprised of only two to five layers of peptidoglycan, depending on the growth stage. In gram-positive bacteria, the cell wall is much thicker (20 to 40 nanometers thick).
<u>Answer:</u>
Receptors
<u>Explanation: </u>
Receptors are specific for the particular parameter . They work to detect change and convert the change into signals that serves as a afferent input to the control center.
Negative feedback requires a receptors,control center, and a afferent. Generally a receptor monitors internal conditions. Receptors sense changes in function and initiate the body's homeostatic response.
Answer:
True
Explanation:
An independent variable is the variable you think is the cause,while a dependent variable is the effect. you manipulate the independent variable and measure the outcome in the dependent variable.