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k0ka [10]
4 years ago
6

If all of geologic time is represented as a single year, and the jurassic period is in the middle of the mesozoic era, what mont

h were dinosaurs most abundant on the planet?
Biology
1 answer:
Oksana_A [137]4 years ago
5 0
<span>If all of geologic time is represented as a single year, and the Jurassic period is in the middle of the Mesozoic era, than dinosaurs would be most abundant on the planet during the month of <u>December</u>. This is because the Mesozoic Era as an interval of geological time took place from about 252 to 66 million years ago, while earth's time scale is about 4.54 billion years old, and all of geological time even older. Compared to all of the geological time, dinosaurs are fairly recent.</span>
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True [87]

The answer is;

  1. The recombination frequency is proportional to the distance between the two genes
  2. The lower the recombination frequency, the farther apart two genes are on the chromosome

Genes that are close together are more likely to be passed together to offspring during recombination. Geneticist compares the ration between the proposed phenotype offspring and actual phenotype offerings in a population. The higher the recombination frequency (centimorgans," or cM), the closer the genes are linked together, physically.

5 0
3 years ago
What do X and Y most likely represents in cellular respiration
vlabodo [156]

Answer:

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7 0
3 years ago
You dilute your bacteriophage for plating 10^-6. You mix 0.1ml of the bacteriophage dilution with 0.3ml of bacteria and plate wi
Blizzard [7]

Answer:

46 * 10^7 pfu/ml

Explanation:

Given -

Bacteriophage dilution = 0.1 ml

Volume of bacteria and plate with top agar  = 0.3 ml

Number of plaques = 46 pfu

Dilution (d) = 10^{-6}

Final concentration of phage stock is equal to

= \frac{pfu}{d*v}

Where pfu is the count of plaques

d is the dilution and v is the volume

Substituting the given values, we get -

\frac{46}{10^{-6} * 10^{-1}} \\= 46 * 10^7 pfu/ml

7 0
3 years ago
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4 0
3 years ago
Hemocytoblast cells
Ulleksa [173]
I believe the correct answer would be D. Hemocytoblast cells give  rise to formed elements in the blood. These cells are stem cells for elements that are blood-cellular. They are obtained from the mesoderm and are located in the bone marrow. When these cells are divided into two cells, one of the daughter cells would be come a blood cell while the other will remain as a hemocytoblast to ensure that there is enough of this cell that is available. They are considered to be able to produce all blood cell types namely white blood cells, platelets and red blood cells. To do this, they undergo the process of haematopoiesis. 
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3 years ago
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