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REY [17]
3 years ago
13

What does ordered internal structure mean

Biology
2 answers:
Paladinen [302]3 years ago
5 0

 the atoms in a mineral are arranged in a systematic and repeating pattern.

Alinara [238K]3 years ago
3 0

Answer:

Ordered internal structure" means that the atoms in a mineral are arranged in a systematic and repeating pattern.

Explanation: they arranged and repeating pattern go see for urself its right and i need help but its ok cause i dont know what grade are u but go check im typing alot..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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Do plants need carbohydrates? Why or why not?
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2 years ago
Which is part of meiosis but not of mitosis
11Alexandr11 [23.1K]
The daughter cells for mitosis are identical, for meiosis are different cuz crossing over has occurred.

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8 0
3 years ago
You will measure and compare the heart rates of ten learners before and after
rewona [7]

Answer:

Exercise is responsible for the increasing heart beat.

Explanation:

Exercise is responsible for the increasing heart beat because our body needs oxygen more faster during exercise. When we exercise our body needs quick energy and oxygen which can be provided by heart as well as the heart also removes carbondioxide which is produces during respiration process so the heart beat increases in order to provide energy and oxygen to the muscles.

8 0
3 years ago
Why is the resting membrane potential negatively charged?
Iteru [2.4K]

Explanation:

The resting membrane potential is negative due to the buildup of more sodium ions outside the cell than potassium inside.

Potassium ions readily diffuse out of the cell more quickly than sodium due to the presence of more channels which allow for potassium leakage. The sodium pumps in neuronal membranes bring more K+ ions into the cell; with every three sodium ions pumped out two potassium ions are brought in- this is in order to maintain the negatively charged membranes within the cell along with the resting potential.

Further Explanation:

Neurons have unique structures which aid in facilitating communication by sending and receiving electrical signals very efficient. Parts of a neuron are separated into the

dendrites which receive messages from other neurons allowing them to pass and some of the cell body which contains typical cell components like the nucleus, endoplasmic reticulum and mitochondria.

The axon is an insulated (by the myelin sheath) tubular structure which acts as a bridge to price impulses to other neurons these also contain axon hillocks which are junctions between the axon and cell body

Synapses are junctions where axons connect to dendrites of other neurons at these junctions chemical reactions occur in order to facilitate the passage of information as chemical signals.

There are several neuron types which include sensory motor and into neurons which bridge the two.

  • The refractory period describes a period between the initiation of an action potential where Na+ channels are closed, and immediately after the action potential’s peak. Action potentials would require an influx of more positively charged ions; these must be more than a specific threshold in order to have the cells send along more action potentials which helps with figuring out stimulus intensity.
  • Potassium ions readily diffuse out of the cell more quickly than sodium due to the presence of more channels which allow for potassium leakage. The sodium pumps in neuronal membranes bring more Na+ than K+ ions into the cell; with every three sodium ions pumped out two potassium ions are brought in- this is in order to maintain the negatively charged membranes within the cell along with the resting potential

Learn more about the autonomic nervous system at brainly.com/question/10386413

Learn more about neurotransmitters at brainly.com/question/9424160

Learn more about homeostasis at brainly.com/question/1601808

#LearnWithBrainly

6 0
3 years ago
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