Grades
Kindergarten
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
Higher Ed
Adult Ed
Other
Subjects
ELA
Math
Science
Social Studies
Art
Computer Science
French
German
Music
Physical Education
Spanish
Other
Private Library
Team Premium
Cell communication and Action Potential
starstarstarstarstarstarstarstarstarstar
by Benzene Ring
| 6 Questions
1
15 pts
In human females, follicle stimulating hormone (FSH) is released from the pituitary gland. One of its many functions is to regulate the reproductive cycle in the ovaries and uterus including the cyclic production of estrogen. What type of cell communication does this represent?
A Autocrine
B Paracrine
C Endocrine
D Juxtacrine
2
15 pts
Ligand is another name for which molecule in a cellular communication pathway?
A signaling molecule
B cellular membrane
C receptor protein
D carrier protein
3
15 pts
Which step below would be the final step in a signal transduction pathway?
A Phosphorylation of proteins.
B Change in gene expression.
C Binding a ligand to a receptor.
D Activation of a protein.
4
15 pts
Which part of the neuron receives a signal from other neurons or sensory cells?
A dendrite
B cell body (soma)
C axon
D synapse
5
20 pts

Rearrange the steps of the action potential by using the graph above.
  1. Hyperpolarization
  2. Resting potential
  3. Depolarization (threshold)
  4. Depolarization (All or none rule)
  5. Repolarization
6
20 pts
Describe each step of the action potential using the graph and the numbered steps. Make sure you are talking about Na+ and K+ changing gradients as well as change in voltage of the cell. You should also mention the types of channels opening and closing.

Add to my formatives list