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Andreas93 [3]
2 years ago
5

Which of the following is transcribed into a protein?​

Biology
2 answers:
Arturiano [62]2 years ago
6 0
DNA is copied into messenger RNA
valina [46]2 years ago
4 0

Answer:

DNA mRNA Amino Acids Polypeptide chains Proteins

Explanation:

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Which structure in the figure below is commonly injured by people inserting cotton swads or other objects into their ears?
Genrish500 [490]

I think its a

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3 years ago
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An action potential triggers the release of synaptic vesicles into the synaptic cleft by _____ channels, allowing _____ ions to
noname [10]

Answer:

1. opening Voltage gated channels

2. Calcium

Explanation:

The signals are transmitted in the neurons in the form of electrical signals and which are transformed into the chemical signals at the synaptic cleft.

The electrical signal is transformed into a chemical signal when the electrical impulse reaches the terminal of the axon and opens the calcium voltage channels. The calcium which is present in a higher amount than inside enter into the terminal and allows fusion of the synaptic vesicle carrying neurotransmitter and the neurotransmitter is released into the synapse.

The neurotransmitter then binds the receptors and initiates the electrical impulse in the postsynaptic neuron.

Thus, opening Voltage gated channels and Calcium is the correct answer.

7 0
3 years ago
True or false
gregori [183]
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6 0
3 years ago
What is the process in which all of the nuclear DNA is copied?
Lina20 [59]

Answer:

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3 0
3 years ago
Genes for body color (B black dominant to b yellow) and wing shape (C straight dominant to c curved) are located on the same chr
xxMikexx [17]

Answer:

Map distance = Genetic distance, GD = 3.9 MU ≅ 4 MU

Explanation:

The more separated two genes are, the more chances of recombination there will be.  The closer they are, the fewer chances of recombination there will be. Two genes that are very close will have a few recombination events and are strongly bounded.    

To analyze the recombination frequency, we have to know that:

  • 1% of recombination = 1 map unit = 1centi Morgan = 1,000,000 base pairs.
  • And that the maximum recombination frequency is always 50%.  

The map unit is the distance between the pair of genes for which every 100 meiotic products one of them results in a recombinant one.  

Knowing that the genes are linked, we can calculate genetic distances between them. First, we need to identify the genotypes of the parental gametes with the ones of the recombinants. We can recognize the parental gametes in the descendants because their phenotypes are the most frequent, while the recombinants are the less frequent. So:

Parentals:

  • black, curved 337
  • yellow, straight 364

Recombinants:

  • Black, straight 17
  • yellow, curved 12

To calculate the recombination frequency we will make use of the next formula: P = Recombinant number / Total of individuals.

P = Recombinant number / Total of individuals.  

P = 17 + 12 / 337 + 364 + 17 + 12

P = 29 / 730

P = 0.039

The genetic distance (GD) will result from multiplying that recombination frequency (P) by 100 and expressing it in map units (MU).

GD = P x 100

GD = 0.039 x 100

GD = 3.9 MU ≅ 4 MU

3 0
3 years ago
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