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solniwko [45]
2 years ago
12

Describe the path of flow of energy in an aquatic ecosystem.

Biology
1 answer:
g100num [7]2 years ago
5 0
<h2><u>Hope</u><u> it</u><u> helps</u><u>.</u><u>.</u><u>.</u><u>(. ❛ ᴗ ❛.)</u></h2>

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Approximately _____% of the energy at one trophic level is passed on to the next highest trophic level.
Snezhnost [94]
Approximately 5-10% is passed on to the next highest trophic level
5 0
3 years ago
Read 2 more answers
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
3. Which statement concerning an ecosystem is correct?
brilliants [131]

Answer:

C) It involves interactions between biotic and

abiotic factors.

Explanation:

Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.

6 0
3 years ago
The reason that there are Okazaki fragments during DNA replication is ultimately because:
rusak2 [61]

Answer:

B) Polymerases can only synthesize in the 5' to 3' direction

Explanation:

The leading strand's directionality is 3' to 5', so polymerase has no problem with replicating this one. But the lagging strand has the opposite directionality, so the polymerase must work in the opposite direction of the replication fork.In consequence, the replication process undergoes periodic breaks, and the enzymes have to stop and start again while helicase separates both strands, resulting in the polymerization of okazaki fragments.

5 0
3 years ago
Which organelle coordinates translation
nydimaria [60]
A ribosome coordinates translation.
4 0
3 years ago
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