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vivado [14]
3 years ago
8

Which of the following is continually passed from one enzyme to the next during the Electron Transport Chain?

Biology
1 answer:
AVprozaik [17]3 years ago
5 0

The correct answer is electrons.  

Electron transport chain refers to an array of complexes, which mediates electrons from electron donors to electron acceptors through redox reactions, and combines the transfer of electrons with the transfer of protons through a membrane.  

This produces an electrochemical proton gradient, which instigates the production of ATP. The ultimate electron acceptor in the electron transport chain is oxygen in aerobic respiration and sulfate in anaerobic respiration.  


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Why are molecular clocks important in the construction of cladograms? They compare the frequency of reproduction to determine wh
Dmitrij [34]

Answer: They compare the number of mutations to determine how long ago species separated and evolved.

You're welcome!

7 0
3 years ago
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Why is a 50 percent recovery of single-crossover products the upper limit, even when crossing over always occurs between two lin
34kurt

Answer:

Because of homologous recombination

Explanation:

  • When genes are establish on different DNAs or far apart on the same chromosome, they are classified self-sufficiently and are said to be unlinked.
  • When genes are very close together on the same chromosome, they are said to be linked. That means that alleles, or genetic versions, that are already together on a chromosome will be inherited as a unit more often than not.
  • We can see if two genes are linked, and how closely, by using data from genetic crosses to calculate the frequency of recombination.
  • Using the technique of discovery recombination happenings for numerous gene pairs, we can make link maps that show the order and relative distances of the genes on the chromosome.

  • When the genes are on the same chromosome but far apart, they are classified independently due to crossing (homologous recombination). This is a procedure that happens at the start of meiosis, in which homologous DNAs randomly exchange matching fragments. Crossing be able to connection new alleles in combination on the same chromosome, causing them to enter the same gamete. When the genes are far apart, the crossing occurs with sufficient frequency for all types of gametes to occur with 25% percentage frequency.
  • When the genes are very close together on the same chromosome, the crossing still occurs, but the result (in terms of the types of gametes produced) is different. Instead of being classified independently, genes tend to "stay together" during meiosis. That is, alleles of genes that are already together on a chromosome will tend to pass as a unit to gametes. In this case, the genes are linked

6 0
3 years ago
Are most mutations bad?
nikdorinn [45]

Answer:

Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious. In general, the more base pairs that are affected by a mutation, the larger the effect of the mutation, and the larger the mutation's probability of being deleterious.

Explanation:

4 0
3 years ago
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Which of these correctly orders the structures through which air passes during inhalation?
Svetllana [295]

Answer:

pharynx, larynx, trachea, bronchi

Explanation:

During the inhalation through the nose or mouth the air first enters the "pharynx" which is also called as throat,

then the air moves towards the "larynx" . Is a passage between the pharynx and the trachea

Through larynx the air then moves toward the "trachea". It is passage connecting the larynx and the bronchi

and then the air inhaled reaches to the "bronchi" of lungs.

hence, the correct order is "pharynx, larynx, trachea, bronchi"

3 0
3 years ago
PLEASE HELP MEE I NEED HELP DNSJSNANZNNZNSNSBENDNDNXNXNXNSNSNXNZ
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Answer:

Prophase

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It is starting the mitosis process

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