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atroni [7]
3 years ago
7

Where are meanders likely to be found?

Biology
1 answer:
Step2247 [10]3 years ago
6 0
Flooding plains, they are wide bends or turns so usually found in rivers
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Compare the adult frog to the tadpole.
KatRina [158]
Adult frogs are on land and they have feet and a body
Tadpoles are in water and they are somewhat like a fish! 
6 0
3 years ago
Describe the process of skeletal muscle contraction by assembling the following 10 events in the proper order in paragraph form.
balu736 [363]

5) muscle fiber is stimulated at the neuromuscular junction triggering an action potential  

7) APs travel down the T-tubules to the sarcoplasmic reticulum  

Released acetylcholine (due to action potential within motor neuron) from the motor neuron initiates depolarisation within the sarcolemma, which is spread through the muscle fibre via T tubules.

8) in response to an AP, calcium ions are released into the cytosol/space around the myofibrils

Depolarisation causes the sarcoplasmic reticulum to release calcium ions necessary for the contraction

3) calcium ions bind to the T and T system

1) T and T system undergoes a conformational change, exposing the myosin binding sites on actin  

6) myosin head/cross-bridges bind to actin

The binding sites for the myosin heads located on actin, are covered by a blocking complex (troponin and tropomyosin) that can be unblocked by the calcium binding

2) myosin heads/cross bridges bind to actin and flex, shortening the sacromere  

4) actin filaments are pulled toward the center of the sacromere, shortening the muscle fiber  

As the individual sarcomeres become shorten the muscle fibres as a whole contracts

10) myosin head continues to attach, flex, release, extend, and reattach as long as calcium ions are present

9) calcium ions actively transported into the sarcoplasmic reticulum  

Relaxation of a muscle fiber occurs when a Ca ions are pumped back into the sarcoplasmic reticulum .

3 0
3 years ago
_____ was developed so that users could communicate with computers in human language.
zzz [600]

Answer:

Natural Language Processing

Explanation:

I hope it helps! Have a great day!

brenn~

5 0
2 years ago
Where is the proton located
Anastasy [175]

Answer:

nucleus

have a good day :)

4 0
3 years ago
Read 2 more answers
How did the evolution of seed plants change the different forms in the life cycle of plants?
labwork [276]

Answer:

Dominant sporophyte generation and microscopic  gametophyte within sporophyte.

Explanation:

The sporophyte is the dominant generation, but multicellular male and female gametophytes which are microscopic in nature with the female gametophyte made up of few cells being buried in the tissues of the sporophyte and the male gametophyte, the pollen grain, being carried from plant to plant by wind, water, or animals. these are all produced within the flowers of the sporophyte.

8 0
3 years ago
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