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
pantera1 [17]
3 years ago
8

Tamara’s muscle weakness and fatigue becomes progressively worse over the course of the day. This is a hallmark sign of myasthen

ia gravis, an autoimmune disorder that affects the ability of a motor neuron to communicate with a muscle fiber. What synaptic events must happen first for excitation to occur?
Biology
1 answer:
vekshin13 years ago
6 0

Answer: Acetylcholine is released from the axon terminal and diffuses across the synapse to link to a receptor in the surface of the motor end plate.

Explanation:

Sinapsis in biology is a structure in which a neuron cell communicates with another using an electric or chemical sign.

You might be interested in
How do energetic considerations affect the structure of populations? communities? ecosystems?
alexandr402 [8]
<span>10% rule (efficiency between trophic levels): limits how long an ecosystem's food chain can be
Predator/prey cost benefit analysis (i.e. foraging) -- cost is risk of being eaten or killed along the way, benefit is energy/nourishment obtained: limits distribution of predator v. prey
Immigration/Emigration with other populations and ecosystems
Island biogeography: size of land and distance from another population/ecosystem (mainland): limits population size and variability on island</span>
3 0
3 years ago
How does evaporation from an ocean increase the density of ocean water that did not evaporate
GarryVolchara [31]

Answer: Look below =3

Explanation: Most of the water that evaporates from the oceans falls back into the oceans as precipitation. Only about 10 percent of the water evaporated from the oceans is transported over land and falls as precipitation.

I hope this helps! =3

3 0
3 years ago
Read 2 more answers
What happens during aerobic respiration? A Oxygen is produced. B Glucose is produced. с Lactic acid and oxygen are produced. D A
Romashka [77]

Answer:

ATP, water and carbon dioxide are produced.

4 0
3 years ago
How are resilience and biodiversity related to the stability of an ecosystem?
Oksi-84 [34.3K]
The more biodisverse the ecosystem it is, the more niches are occupied, and the more resilient it is for issues that can occur, the ecosystem can be more stable
8 0
3 years ago
Q1) Describe three ways food chains can be disrupted​
GenaCL600 [577]

Answer:

Explanation:

Causes for Disruptions in the Food Web

Overpopulation.

Water pollution.

Acid rain.

Climate change.

Air pollution.

Illegal hunting.

Soil pollution.

Illegal dumping.

4 0
2 years ago
Other questions:
  • What extends from inside Earth's crust to the lower atmosphere
    10·1 answer
  • Whih type of blood cell does sickle cell anaemia affect?​
    13·2 answers
  • What did virchow observe that led him to determine one of the main components of cel theory?
    12·2 answers
  • WILL MARK BRIANLIEST!!! please help
    13·2 answers
  • What surrounds (and is in contact with) muscles, gland, and other body cells, and gives rise to lymph fluid?
    7·1 answer
  • Please help me with this !!!
    5·1 answer
  • Help plz<br> HURRY AHHHHHHPP!!!!<br> This for my grades
    6·1 answer
  • 2 genetic disorders ASAP
    12·2 answers
  • How “Competition in an ecosystem” is playing a role in life?
    10·1 answer
  • Recognize the role early cells played in shaping life on Earth
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!