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
Andreyy89
2 years ago
6

Wats da answer bc I’m confused

Biology
1 answer:
trapecia [35]2 years ago
3 0

Answer:

A. Cell

B. Organ

C. Tissue

Explanation:

cell: The smallest unit of life capable of independent reproduction. Generally contains nucleic acid, cytoplasm, a cell membrane, and many other proteins and structures.

organ: A structure made of different tissues that work together to perform physiological functions.

Tissues: A group of similar cells with the same origin that work together to perform the same function.

You might be interested in
What is a comparative study of the similarities and differences in the embryos of different species?
kolezko [41]

Answer:

first the ways of adaptation and behaviour of plant

3 0
3 years ago
Which of the following components of the immune system form memory cells after you receive a vaccine?
erik [133]
<span>B and T cells  ............</span>
5 0
3 years ago
Read 2 more answers
What two important probability principles were established in this exercise?
AysviL [449]
It decreases the deviation. 

<span>Probability principles: The probability of a head/tail occuring stabilies to 0.5 in the long run.</span>
4 0
3 years ago
Place these events in the correct order of occurrence in the muscle contraction: End plate potential triggers an action potentia
Sunny_sXe [5.5K]

Answer:

1. Acetylcholine binds to receptors on the motor end plate

2. Ligand-gated channels open leading to depolarization

3. End plate potential triggers an action potential  

4. Transverse tubules convey action potentials into the interior of the muscle fiber

5. Calcium is released from the sarcoplasmic reticulum

6. Calcium ions bind to troponin, which then moves tropomyosin

Explanation:

Acetylcholine (ACh) is a signaling molecule (neurotransmitter) that binds to receptors on muscle cells. This binding triggers the opening of ligand-gated sodium channels, thereby ions enter into muscle cells, which causes the depolarization of the sarcolemma and thus promotes the release of Ca2+ ions from the sarcoplasmic reticulum. The myoneural junction, also known as the motor endplate, is the site of synaptic contact between a motor axon and a skeletal muscle fiber. The endplate potential is the voltage that produces the depolarization of muscle fibers when ACh molecules bind to their receptors in the cell membrane. This depolarization spreads in the sarcolemma through transverse tubules (T tubules​) and thus generates an action potential. Finally, this action potential induces the release of Ca2+ in the sarcoplasmic reticulum, which activates troponin protein and induces muscle contraction.

4 0
3 years ago
What characteristic makes osmosis different from diffusion?
Rom4ik [11]
The answer to the question is B
7 0
3 years ago
Other questions:
  • Which level of organization would the roots of a plant most likely be classified?
    10·1 answer
  • Differentiation occurs in what types of cells?
    5·2 answers
  • Hemophilia B, a blood clotting disorder, is an X-linked recessive trait. What is the expected percentage of offspring with hemop
    11·1 answer
  • The illustration shows a representative food web found in the marine environment. What would happen to this food web if the phyt
    5·1 answer
  • ​sarcopenia means _____.
    10·1 answer
  • List any two differences between distance and displacement..​
    11·1 answer
  • PLEASE HELP ME!!!!!!!!!!!
    7·1 answer
  • When celery sits in it's grocery store packaging for days, it might wilt, even if it is in the refrigerator. To restore it to it
    12·1 answer
  • From a classification standpoint, which of these organisms shares the LEAST similarities with humans?
    7·1 answer
  • The food web models a community along the coast of Alaska. Which
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!