1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elodia [21]
3 years ago
11

C.elegans is a model organism and was the first eukaryotic organism to have its genome sequenced. The free-living nematode is of

ten used in laboratories investigating nervous system development with all 302 of its neurons and their effectors categorized. Interesting control mechanisms have been investigated with reproduction, particularly with egg-laying in the nematode. There are 16 muscles, 2 types of neurons, and multiple receptors involved in the process of laying eggs in C.elegans, and there are mutations in all of those structures for the study of the process. One particular mutation that prevents the laying of eggs by the worm is rescued by the neurotransmitter, serotonin. That rescue suggests that the mutation is most likely in which of the following?
A. one of the muscles needed for egg-laying
B. a receptor for serotonin on cells needed for egg-laying
C. a pre-synaptic neuron involved in egg-laying
D. a post-synaptic neuron involved in egg-laying
Biology
1 answer:
zaharov [31]3 years ago
8 0

Answer:

C. a pre-synaptic neuron involved in egg-laying

Explanation:

Serotonin (5-HT) is a neurotransmitter, i.e., a molecule that binds to specific receptors and thus transmits signals from one pre-synaptic neuron to another target cell. In humans, serotonin is involved in many physiological functions including sleep, mood, emotions, appetite, digestion, etc. Moreover, <em>Caenorhabditis elegans</em> is a model organism widely used in neuroscience research in order to understand neuromodulation at the level of individual neurons. In <em>C. elegans,</em> serotonin modifies behavior by regulating neuronal excitability and synaptic efficiency. Moreover, also in <em>C. elegans,</em> it has been shown that serotonin induces egg-laying and also provides a feedback regulatory mechanism by inhibiting the activity of the pre-synaptic neurons that release it. In consequence, in this case, it is expected that serotonin rescues the loss of function of serotonin receptors required for egg-laying by providing a regulatory feedback loop that contributes to serotonin adaptation.

You might be interested in
What is the involuntary movement of the muscles that move food through the digestive system.
sweet-ann [11.9K]
Peristalsis, hope I helped
4 0
3 years ago
Read 2 more answers
Dhjdikejrenrnnsnwdndnwnwj
bezimeni [28]

Where’s the article?

I can’t tell what it’s about from the answers

6 0
2 years ago
What is a Lytic infection and What is a lysogenic infection?
expeople1 [14]

Answer:

Infection of a bacterium by a bacteriophage with subsequent production of more phage particles and lysis, or dissolution, of the cell. The viruses responsible are commonly called virulent phages. Lytic infection is one of the two major bacteriophage–bacterium relationships.

Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction. Lysogeny is characterized by integration of the bacteriophage nucleic acid into the host bacterium's genome or formation of a circular replicon in the bacterial cytoplasm.

Explanation: hope this helps!

5 0
3 years ago
HELPPPP!!!! <br> I NEED THE ANSWER NOW .<br> PLLLZZ
Lostsunrise [7]
the answer would be d
8 0
2 years ago
Read 2 more answers
Rewrite the following incorrect statement with the correct answer:
koban [17]

Explanation:

Endogenic forces work towards the middle of the earth...creating pressure causing cracks, pits..

8 0
3 years ago
Other questions:
  • Now that you have reviewed both immunity and the spread of disease, write an investigative question that you would like to answe
    11·2 answers
  • A nurse fails to communicate a change in the client's condition to the physician. which element related to proving malpractice h
    13·1 answer
  • Number 14 <br> First answer gets branieliest
    12·1 answer
  • I need help i don't know the answer and the answer can you help me? you'll get 15 points if you answer this question
    11·1 answer
  • Which of the following describes an aspect of fetal circulation that does not occur in adult circulation?  Both oxygenated and d
    8·2 answers
  • Sodium and potassium ions move in and out of the axon when the membrane is ______
    9·1 answer
  • What is biochemistry?
    6·2 answers
  • Explain how oxygen is cycled between the tree and the fox
    13·2 answers
  • At the official announcement of completion of the draft human genome (choose all that apply)
    10·1 answer
  • Transcribe the following section of DNA 3’ G C C A T T A G 5’
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!