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Setler [38]
3 years ago
9

Which statement correctly distinguishes between all mechanical and all electromagnetic waves?

Biology
2 answers:
Helen [10]3 years ago
5 0

Answer:

Mechanical waves carry energy through matter; electromagnetic waves carry energy through space.

pls mark me the brainliest

dlinn [17]3 years ago
3 0

Answer:

Mechanical waves carry energy through matter; electromagnetic waves carry energy through space.

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When an action potential arrives at the axon terminal of a motor neuron, which ion channels open?
HACTEHA [7]

Answer:

Calcium voltage gated ion channels

Explanation:

There are two types of ion channels involved in the neuromuscular junction and end plate potentials: voltage-gated ion channel (responsive to changes in membrane voltage which cause the voltage gated ion channel to open) and ligand-gated ion channel (responsive to certain molecules such as neurotransmitters).

The resting membrane potential of a motor neuron goes from -70mV to -50 with a higher concentration of sodium outside and a higher concentration of potassium inside. <em>When an action potential propagates down a nerve and reaches the axon terminal of the motor neuron, the change in membrane voltage causes the calcium voltage gated ion channels to open allowing for an influx of calcium ions. </em>These calcium ions cause the acetylcholine vesicles  to release acetylcholine via exocytosis into the synaptic cleft.

I hope you find this information useful and interesting! Good luck!

3 0
3 years ago
15. DNA that is derived from the DNA of two or more different species is called —
Wewaii [24]

Answer:

A

Explanation:

recombinant DNA ,the DNA derived from more than 2 or more DNA

6 0
3 years ago
Characteristics
Oduvanchick [21]

Answer:

One reason that Organism A and Organism C will be placed in different groups will be due  to their MODE OF NUTRITION.

As described in the question, Organism A has an autotrophic mode of nutrition which means that it has the capability to produce its own food. Organism C is a heterotroph which means it cannot produce its own food and hence will have different properties as compared to the organism A.

8 0
3 years ago
What's the function of the lungs​
weeeeeb [17]

Answer:

correct

Explanation:

Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system's main job is to move fresh air into your body while removing waste gases.

5 0
3 years ago
Francis thinks that the longer a plant is in light, the more fruit it will produce. He places one group of ten plants under a UV
Andreas93 [3]

Answer:

Choose the correct label for each part of the experiment.

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The amount of water that is given to all of the plants

D.  controlled Variable

The plants that are under the light for six hours  

B. Control Group

Explanation:

6 0
3 years ago
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