Answer:
Group 4
Explanation:
<em>The control group in this case would be those students in </em><em>group 4.</em><em> </em>
<u>The control group during an experiment is a group that does not receive the treatment administered to other groups and as such used as a standard for measuring the effects of the treatment on other groups. </u>Whatever differences that exist between the control group and the various treatment groups is attributed to be as a result of the treatment administered to the groups.
<em>In this case, group 4 only used warm water for washing their hands instead of the hand sanitizer/soap used by the other groups. Whatever differences found out in the bacterial count in their respective culture swabs can be attributed to the effects of the hand sanitizer/soap.</em>
Answer:D. astrocytes
Explanation:
glial cell are any of several types of cell that function primarily to support neurons its divided into four groups namely oligodendrocytes,
astrocytes, microglia, and ependymal cells. The astrocytes plays a key role in regulating ions, uptake and/or breakdown of some neurotransmitters, and contribute to the formation of the blood-brain barrier.
Hyperpolarization is a change in a cell's membrane potential that makes it more negative. It is the opposite of a depolarization. It inhibits action potentials by increasing the stimulus required to move the membrane potential to the action potential threshold.
Explanation:
DNA carries the instruction to make (C) proteins.
The axial skeleton consists of the skull, rib cage and vertebral column but her it looks like the appendicular skeleton
