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
Do you think a solar furnace could work well where you live?
swat32
<h3>Answer:</h3>

i thank we could use one

Explanation:because we don't really have cold weather in okc

hope it helps ☺

7 0
3 years ago
4. Discuss the role of necrohormones
Nesterboy [21]

Answer:

neurotransmitter is a chemical messenger that carries, boosts, and balances signals between neurons (also known as nerve cells) and target cells throughout the body.

3 0
2 years ago
Need an answer now explain answer the 1-4 questions ​
guajiro [1.7K]

Answer:

yes it is true

Explanation:

my hand

7 0
3 years ago
Read 2 more answers
Can someone help me please and thank you!!
liraira [26]

Answer:

It should be the one that's selected in the image.

Explanation:

Triglycerides store unused calories and provide your body with energy. Cholesterol is used to build cells and certain hormones.

4 0
3 years ago
What is water that is stored below the surface?
lana [24]
The answer is "Groundwater"
8 0
3 years ago
Other questions:
  • If your body lacks enzymes that break down carbohydrates, it would be unable to get for energy production. If you lacked the enz
    11·1 answer
  • "(1)They use energy to combine the inorganic molecules carbon dioxide and water into energy-rich organic compounds.
    14·1 answer
  • Which of the following shows all of the tripeptides that can be formed from one molecule each of lysine (Lys), threonine (Thr),
    10·2 answers
  • A woman with type o blood is expecting a child. her husband is type
    8·1 answer
  • How does the large amount of DNA fit into the tiny nucleus within the microscopic cells
    8·2 answers
  • How do limiting factors affect organisms in a community?
    8·2 answers
  • Describe how living things use anaerobic respiration to generate energy.
    8·1 answer
  • Provide an example of maintaining homeostasis at the system level.
    8·1 answer
  • Which of the following is NOT part of
    10·1 answer
  • Which of the following is a physical property of a substance?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!