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elena-14-01-66 [18.8K]
2 years ago
6

Two types of RNA molecules are...

Biology
1 answer:
romanna [79]2 years ago
3 0
Messenger and transfer RNA
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a rational expression has been simplified below. (x-5) (x+1)/3(x+1) = x-5/3 for what values of x are the two expressions equal​
Stella [2.4K]

Answer:

Apparently 0 is the answer which makes sense

Explanation:

https://www.tiger-algebra.com/drill/(x-5)(x_1)/3(x_1)=x-5/3/

4 0
3 years ago
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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

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8 0
1 year ago
DNA is double stranded due to interactions between adenine, cytosine, guanine, and thymine, which are
WARRIOR [948]

Answer;

Complementary base pairs;

- Adenine-Thyamine and Guanine-Cytosine (A-T and G-C)

Explanation;

-According to Chargaf's rule, the secondary structure of the DNA requires that every guanine pairs with a cytosine and every thymine pairs with an adenine, resulting in consistent ratios between the nucleotides.

-In double-stranded DNA, two long molecules twist around one another in a double helix.  Pairs of nitrogenous bases are set in the same plane, and interact with each other via hydrogen bonding. These pairs are often referred to as base pairs

3 0
3 years ago
What percentage of water on Earth is considered freshwater?<br> A. 2%<br> B. 3%<br> C. 4%<br> D. 5%
MrRissso [65]
B. only 3% of water on earth is fresh
4 0
3 years ago
*URGENT*<br> Why do we think of ecosystems as systems within systems?
Alexandra [31]

Answer:

In systems, the relationships between individual parts may be more important than the parts. An ecosystem is not just a collection of species, but includes living things interacting with each other and their nonliving environment. In the systems view, the "objects" of study are networks of relationships.

Explanation:

Hope it's help

7 0
2 years ago
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