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ludmilkaskok [199]
3 years ago
6

Atoms have a tendency to complete their outer energy level. This is known as ____

Biology
1 answer:
Karo-lina-s [1.5K]3 years ago
3 0
The tendency of atoms to complete their outer energy level is known as the octet rule. The octet rule states that atoms below atomic number 20 tend to combine so that they each have eight electrons in their valence shells, which gives them the same electronic configuration of a noble gas. This rule is applicable to what are termed as main- group elements, especially carbon, nitrogen, oxygen, and the halogens but also metals such as magnesium and sodium, among others.
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Excitatory neurotransmitters influence the receiving neuron to _____, whereas inhibitory neurotransmitters influence the receivi
Viktor [21]

Excitatory neurotransmitters cause the neuron to fire, and Inhibitory neurotransmitters cause the neuron not to fire.

Impulses are the signals passed from one neuron to another on the action of a stimulus. The impulses passed can be electrical or chemical. Neurotransmitters are the chemical molecules that help in the transfer of impulses between two neurons.

Chemicals like epinephrine, norepinephrine, and glutamate when released from the synaptic cleft of one neuron activate the receptors of other neurons, thereby initiating the other neuron to fire. These chemicals are called excitatory neurotransmitters.

Chemicals like GABA and glycine, when released from the synaptic cleft of one neuron do not activate the receptors of other neurons and hence the neurons will not fire the impulse. These chemicals are called inhibitory neurotransmitters.

To know more about neurotransmitters, visit

brainly.com/question/26387085

#SPJ4

8 0
1 year ago
How do amino acid sequences influence the properties of a protein?
Katarina [22]
<span>The amino acid sequence contains the necessary information </span>to<span> determine how that particular </span>protein will<span> fold into a 3-dimensional structure as well as the stability of the resulting structure.</span>
3 0
3 years ago
How does the virus use a host cell to make copies of itself
vagabundo [1.1K]

Answer:

I wasn't quite sure what virus you were referring to in your question, but here's a general answer: Viruses use their host cells' machinery to replicate themselves.

If they are a specific type of virus known as a retrovirus, they have the ability to use the host cells' enzymes to change the RNA contained within the virus into DNA (via some type of replication I suppose).

In other cases, if they contain DNA instead of RNA (that is, the virus), they can use the host cell's machinery to create RNA via enzymes involved in transcription and/or they can incorporate that DNA into the host cell's DNA. This is part of a type of viral replication cycle known as the lysogenic cycle.

In another type of viral replication cycle known as the lytic cycle, the virus simply has itself and its genome duplicated until the host cell bursts, releasing the viral material. Here, again, the virus uses the host cell's machinery to replicate itself.

3 0
3 years ago
Analyze the role of dna fingerprinting in criminal investigation.
nikitadnepr [17]

DNA/fingerprints are all unique, therefor it is easy to match a fingerprint to a person thus they use this mechanism in criminal investigations because only one person woul have matching DNA to the prints on the scene, and that is the criminal.

Hope this helps :)

8 0
4 years ago
When an arthropod does not change its form except for increasing its size, it is called _______.
USPshnik [31]
If an anthropod does not change it's form except for increasing its size, this change would be considered an incomplete metamorphosis. 
7 0
3 years ago
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