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Bas_tet [7]
2 years ago
8

A dark thin protein that serves as the anchoring point of actin filaments at either end of the sarcomere.

Biology
1 answer:
valina [46]2 years ago
6 0

The ends of the actin filaments are anchored to the Z-line or disk.

The sarcomere is the primary functional unit of muscle fiber. It is flanked by a Z-band on each end with adjoining I-bands. The Z-band or disk is a dense fibrous structure composed of actin, α-actinin as well as other proteins.

Thin filaments or actin filaments are anchored at one end at the Z-band. Titin is connected to both the Z-band and the M-line. Thick filaments are attached in the middle of the sarcomere at the M-line.

An intermediary filament protein forms a meshwork from one Z-disk to the next across the myofibril. These networks are joined by actin through the protein dystrophin to the sarcolemma.

To learn more about sarcomere here

brainly.com/question/14005497

#SPJ4

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Describe what causes convection currents, and how they result in the movement of tectonic plates. The best answer gets brainlies
Snezhnost [94]

Answer:

Convection currents can make tectonic plates in the mantle shake around. If there is an area with a lot of convection currents, the tectonic plates will break apart and form a disputed area. When the tectonic plates try to combine again, a earthquake is at stake.

Hope this helps you!

6 0
3 years ago
Neurons in the ______ , control motor reflexes.
yan [13]

Neurons in the <u>spinal cord</u>, control motor reflexes, which allows rhythmic and automatic movements to be carried out.

The spinal cord represents the lowest level in the hierarchical system that regulates reflex motor activity, voluntary movements, and body posture.

Therefore, their neurons have been organized into circuits that participate in simple automatic gait movements and simple defensive movements (withdrawal of the muscle in the event of any aggression) through reflex responses.

The motor neurons of these circuits are located in the anterior horns where they are arranged forming the so-called "poles" of motor neurons, equivalent to true motor neuron nuclei.

  • Alpha motor neurons their axons are myelinated and they group together in the medulla and form columns that are known as motor nuclei.

  • Gamma (γ) motor neurons innervate muscle fibers of the muscle spindle.

  • Interneurons can be excitatory or inhibitory.

Therefore, we can conclude that neurons in the spinal cord, control motor reflexes, they present functional interactions between them and this allows rhythmic and automatic movements to be carried out with ease through reflex responses.

Learn more here: brainly.com/question/3597766

4 0
3 years ago
How far in meters will vou travel in 3 minutes running at a rate of 6 m/s?
olga nikolaevna [1]

Answer:

1080 meters

Explanation:

3 0
3 years ago
The potato placed in vinegar produced _________.
anastassius [24]

Answer:

Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.

Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

3 0
3 years ago
Use the needleman-wunsch algorithm to find the raw score for comparison of the following sequences. rank them from the most like
lana66690 [7]

Answer: B. TEFKAGSAKGATLFKTRCLQ

D. TEFKAGSAKGATLFKTRCLQ

A.TEFKAGSAKKGATLFKTRCLQ

E. TEFKAGSAKKKGAGATLFKTRCLQ

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Explanation:

3 0
3 years ago
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