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Andrew [12]
3 years ago
10

2. Open Ended Question

Biology
1 answer:
kow [346]3 years ago
4 0

Answer:Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.

Explanation:

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Compare and contrast properties of sister chromatids and homologous chromosomes. drag the appropriate items to their respective
Katarina [22]
<h2><u>Answer:</u></h2>

The primary stage is prophase. The nucleolus vanishes and the two centrosomes start to frame the mitotic spindle. The axle extends between two inverse shafts f the cell. Next is the metaphase. The centromeres of the chromatid sets adjust at the focal point of the thematic axle.

At that point anaphase, the centromeres will part that isolates the chromatid combine. They are presently called chromosomes. The last stage is the telophase. The chromosomes will at that point frame a string like chromatin and for throb envelope, a nucleolus shows up.

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3 years ago
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PLS HELP I BEG
Galina-37 [17]

Based on the 20 amino acids found in proteins, there are 6840 possible variations in a polymer composed of just three amino acids.

<h3>What are amino acids?</h3>

Amino acids are the molecules from which protein molecules are made from.

There are 20 common amino acids from which protein molecules are built up from.

The amino acids are joined one to another in the protein by peptide bonds.

In a polymer composed of three amino acids, the possible variations are calculated by permutation.

The possible variations are 20 permutation 3.

nPr = n!/(n - r)!

where n = 20 r = 3

nPr = 20!/(20 - 3)!

  nPr = 6840

Therefore, there are 6840 possible variations in a polymer composed of just three amino acids.

Learn more about amino acids at: brainly.com/question/1302816

5 0
2 years ago
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The depolarization causes a ____________ that excites the entire membrane.
marin [14]
I'm not sure if this question is talking about neurons, but if it is... depolarization in a neuron leads to an "action potential." 
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4 years ago
1. If the DNA is carrying a silent mutation, what will be the impact it will have on the organism?
antiseptic1488 [7]
The DNA carrying a silent mutation will have no gene expression or result on the phenotype or physical appearance of the organism. Silent mutations code for the same amino acid resulting in more genetic diversity, having a genotypic advantage, but providing no noticeable differences.
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3 years ago
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