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PolarNik [594]
3 years ago
10

Suppose you add fluorescent ribonucleotides to a cell undergoing dna replication so that the rna primers used in dna synthesis g

low when viewed with a fluorescent microscope. you notice that, near each replication fork, one strand glows more than the other. which strand is it that glows more, and why? the lagging strand glows more because it forms the "trombone loop." the leading strand glows more because it forms the "trombone loop." the leading strand glows more because it is elongated nearest the replication fork. the lagging strand glows more because its rna primer is nearer the replication fork.
Biology
1 answer:
Lady_Fox [76]3 years ago
4 0
Answer: The lagging strand glows more because its RNA primer is nearer the replication fork.
During DNA replication process, both the strands of DNA are replicated simultaneously in opposite direction. One strand is replicated continuously and known as leading strand while the other strand is replicated discontinuously and known as lagging strand.  The leading strand has only one primer attached to it while the lagging strand


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The wild-type color of horned beetles is black, although other colors are known. A black horned beetle from a pure-breeding stra
Kisachek [45]

One hypothesis that explains the result is : A) Two genes are involved with  12:3:1  epistasis, such that A_B_ and A_bb are black, aaB_ is brown,and aabb is green.

Explanation:

  • This is a case of Dominant Epistasis.
  • When two genes are involved and presence of dominant allele of one gene masks the effect of either allele of the second gene then the epistasis is termed as dominant epistasis.
  • In the given case black :brown: green ratio is approximately equal to  12:3:1.
  • Here presence of a dominant A allele that is responsible for the black colour masks the effect of either allele of B. Therefore A_B_ and A_bb produces black beetles
  • Again , absence of dominant A allows B to express itself and Brown beetles are produced thus aaB_ is brown.
  • When both the genes are present as recessive alleles, neither brown nor black colour is expressed and the beetles are green.Thus, aabb are green.

4 0
2 years ago
Which unit is more useful to measure in. Milliliters or liters and why?
AlladinOne [14]
Liters because liters are larger than milliliters.
6 0
3 years ago
When a neuron is activated by a stimulus, its plasma membrane will change until it reaches a membrane potential of about 40 mV.
grandymaker [24]

Answer: It is approximately the membrane potential at which the electrochemical gradient for Na+ is zero.

Explanation:

The charge in plasma membrane occurs with diffusion and electric fields.

For example, if there are two solutions, let's assume solution X and Solution Y are separated by a porous barrier (to diffuse in equal proportions).

The fundamental principle of diffusion states that solution from a high concentration diffuses to a lower concentration.

For instance, if the X solution contains 40 sodium ions and 40 chloride ions, the Y solution only has 30 sodium and 30 chloride ions. Due to the diffusion, these two solutions will mix and reach a steady-state.

The like charges repel, and opposite charges attract.

7 0
1 year ago
What is the phenotype and the genotype of the white flowered offspring shown in the Punnet square below? Explain how you know by
scoundrel [369]

Answer:

Genotype: The letters that make up the individual. E.g. TT or Tt. ▪ Phenotype: The physical characteristics of the particular trait. E.g. Tall or short. ▪ Dominant trait: Signified by capital letter-E.g. T.

Explanation:

Hope this helps pls mark brainliest.

3 0
3 years ago
What is the probability that a seed from a parent plant of genotype Rr will carry the r gene
daser333 [38]
The answer is 50 percent.

Parent plant of genotype Rr will in meiosis produce haploid gametes which will carry either R allele or r allele. Since there are only two possibilities R or r, the probability that seed will get r gene is 1 of 2. This can be presented as 1/2, which is 50%.
7 0
3 years ago
Read 2 more answers
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