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natta225 [31]
2 years ago
14

How does actin and myosin work together to help you lift an object?

Biology
1 answer:
Scilla [17]2 years ago
6 0

Answer:

Muscle contraction thus results from an interaction between the actin and myosin filaments that generates their movement relative to one another.

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What is the difference between homeostasis and respiration​
Verizon [17]

Answer:

Abstract

Respiratory homeostasis is concerned with the regulation of a blood gas composition that is compatible with maintaining cellular homeostasis. Provided that the lung-capillary exchange barrier does not prevent the exchange of gases, then blood leaving the lung will have oxygen and carbon dioxide partial pressures that are similar to the average values found in the alveoli. Alveolar ventilation establishes these values. If blood gas composition, especially of carbon dioxide, moves outside the homeostatic range, the change is detected by chemoreceptors and respiratory responses are promoted which change alveolar ventilation, alter alveolar gas composition and so reverse the change. Ventilation therapies provide the means of artificially restoring alveolar gas composition. In general terms, they do this by raising the partial pressure of oxygen within the alveoli either by using oxygen-enriched gas mixtures, or by improving the ventilation of alveoli using positive pressure.

Explanation:

3 0
3 years ago
Read 2 more answers
When acetylcholine binds to receptors at the motor end plate, the end plate membrane becames:__________a. repolarized. b. more p
sladkih [1.3K]

Answer:

d. more permeable to sodium ions.

Explanation:

The binding of Acetylcholine  with the receptors at  motor end plate facilitate   membrane permeability to sodium ions therefore  opening of voltage gated channels for sodium ions.

Sodium ions diffused into the synapse of post synaptic neuron at the neuromuscular junction.

If  the  stimulus is up to threshold levels; more chemical(neurotransmitter) gated sodium channels opens, and sodium ions move into the  synapse to depolarize the membrane with  reversal of charges to generate action potential.

The continuous  binding of Acetycholine , leads to permanent opening of sodium ions,and over excitation from depolarization.  Acetycholinesterase enzymes breakdown Acetycholine to choline  and Acetyl Co -A. These are recycle back to Acetycholiine

7 0
3 years ago
Which of Earth's features were caused by deposition? A). volcanic craters B)flat tops of mountains C)valleys formed by a glacier
Vikentia [17]
The answer would be C valleys formed by a glaciers.

6 0
3 years ago
Earths inner core:__as earth's outer crust:liquid​
Dahasolnce [82]

Answer:

The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite. There are two types of crust; oceanic and continental. Oceanic crust is denser and thinner and mainly com​posed of basalt. The inner core is made from Iron and Nickel.

Explanation:

7 0
3 years ago
Need help with this as soon as possible
NeX [460]

Answer:

1) What kind of organisms have this organelle?

->eukaryotic

2)What is the name of the organelle?

->mitochondria

3)Reactants

->oxygen, glucose

4)Products

->carbon dioxide, water, ATP

5)Energy source

->glucose

hope this helps :)

6 0
3 years ago
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