Nerve cells communicate by sending an electrical signal through an axon, from this molecules get released into the synapse this then binds itself onto receptor sites. With ion-linked channel receptors, the ligands get binded to a protein. The ion channels are then opened and the proccess gets repeated. Does that help?
Answer:
Option C
Explanation:
Dr. Leland Hartwell used baker’s yeast, <em>Saccharomyces cerevisiae</em>, as a model system, which was a highly suitable model for cell cycle studies. He introduced the concept of Checkpoints where he said cells are arrested if damaged so that the cells repair system can work to correct such damages. Dr. Paul Nurse used a different type of yeast, <em>Schizosaccharomyces pombe</em>, a type of yeast distantly related to the baker's yeast as a model organism.
Answer:
I THINK THE ANSWER IS... A
Explanation:
Density don’t depend on mass and volume because there are different mass and volumes when it becomes density
Answer:
Tundra Biome and the Deciduous Forest Biome
Explanation:
for tundra the features are Extremely cold climate, Low biotic diversity ,Simple vegetation structure. and for deciduous forest is Deciduous forests have a long, warm growing season as one of four distinct seasons, There is abundant moisture, Tree leaves are arranged in strata: canopy, understory, shrub, and ground.