Answer:
Most like a police officer. Because the cell membrane allows things in and out of the cell, as for a police officer in and out of a crime scene
hope it helps :)
The answer is B, as for the flower to produce seeds, it needs to have been previously fecundated by a male gamete.
Answer:
The null hypothesis is incorrect.
Explanation:
The null hypothesis is incorrect because the average number of bacteria did not remain the same at the source and at the outlet. We know that bacteria reproduce in a very less time and they use reproduction methods such as binary and multiple fission so with the passage of time, the population of bacteria increases and did not remain the same at the source and at the outlet.
Answer:
* ARACHNOID MATER
*DURA MATER
*PIA MATER
Explanation:
denticulate ligaments are bilateral extensions of pia mater that thickening the component of collagen of pia mater.It anchors the spinal cord to the dura mater.They are produced by the pia mater of the spinal cord.They provide stability to the spinal cord within the vertebral canal.
Arachnoid mater helps protect the brain and spinal cord from sudden impact. It is connected to the dura mater at the side that is very close to the central nervous system.
Dura mater refers to the membrane that envelops the arachnoid mater. It surrounds the dural sinuses and also provide supports to it. Dura mater carries blood from the brain toward the heart.
The pia mater is part of pseudolymphatic system and it's referred to as the thin fibrous tissue that allows blood vessels to pass through the brain.
