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Levart [38]
3 years ago
7

What do lung cancer And emphysema have in common

Biology
2 answers:
neonofarm [45]3 years ago
8 0

Answer:

While emphysema and lung cancer are two different conditions, they do share some associations and share the main risk factor for both which is cigarette smoking. Both can lead to immune system malfunction, inflammation, and cell damage which play a role in the development of the two diseases. so they both be come from the cause of smoking

Explanation:

Darina [25.2K]3 years ago
3 0

Answer:

Both are caused by smoking.

Explanation:

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Which planets are classified as terrestrial ??
Maru [420]
Mercury, Venus, Earth, and Mars are all known as terrestrial planets I believe. 
8 0
3 years ago
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6. (3 pts) After transformation, 40 colonies were present on the plate. What is the transformation efficiency of the competent c
natali 33 [55]

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.

6 0
3 years ago
What have the studies of testosterone and aggression revealed?
Tju [1.3M]
It was also found that an increase in testosterone during the PASP predicted subsequent willingness to choose competitive tasks (3, 28, 29). ... Aggression research in human studies has revealed an interesting property of testosterone dynamics, its rapid fluctuations provoking reactive aggression in response to stimuli.
8 0
3 years ago
The potato placed in vinegar produced _________.
anastassius [24]

Answer:

Most living tissue contains catalase. We can use potatoes to help see catalase work because bubbles of oxygen form when we put potatoes into hydrogen peroxide.

Explanation:

As catalase decomposes hydrogen peroxide into water and oxygen gas, bubbles of oxygen collect on the disk. When the density of the combined paper/enzyme/O2 is less than the solution the disc will rise to the surface.

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2 years ago
What type of transport is responsible for oxygen entering into blood cells
tangare [24]

Answer:

oxygen enters blood cells by 'diffusion'

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