The human vertebral column is also referred to as the <u><em>spine or spinal column.</em></u>
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The<u> body / spinous process </u>of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.
- The <em>human vertebral column</em> is made of up a group or collection of bones called the<u><em> vertebrae</em></u>.
- In humans, we have a total of <u><em>33 vertebrae. </em></u>
- In <u>males </u>humans, the vertebrae are said to be <u>71 cm long</u> while in <u>females</u> it is <u>61 cm long</u>.
Therefore, the<u> body / spinous process </u>of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.
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Answer:
Given:
Number of colonies on plate = 40
Amount of DNA used for transformation = 100ng
Volume of competent cells used = 100ul
Total volume = 1ml (1000ul)
Volume plated for growth = 200ul
The amount of cells transformed per 1 µg of DNA is called the transformation efficiency
(CFU is colony forming units) => (number of colonies on plate/ng of DNA plated) X 1000 ng/µg = CFU/µg of DNA
Amount of DNA used for plating = 100ng * (200/1000)
= 100ng * (1/5)
= 100/5 = 20ng
Efficiency calculation = 40 colonies / 20ng = 2 colonies/ng
(2 colonies/ng) * (1000 ng/µg) = 2000 CFU/ug DNA
Transformation efficiency = 2000 Transformants / ug DNA
= 2 x 10³ Transformants / ug DNA
Explanation:
Efficiency of transformation is highest in the 100 pg-1 ng range, so Low transformation efficiency could be because of high amount of DNA used for transformation.
Population decrease and extinction
Answer:
C. Snowshoe hares change their fur from white to brown to match their summer habitats.
Explanation:
The gene to change the fur color is passed on generation to generation, so the hares can survive in both winter and summer time.
Answer:
it is tye master of the master gland bro
