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umka2103 [35]
3 years ago
10

What is osmosis? can someone explain this please

Biology
2 answers:
alisha [4.7K]3 years ago
7 0

Answer:

it is the process by which water molecules passes through the semi-permeable membrane from a region of low concentration to a region of high concentration

Temka [501]3 years ago
3 0

Answer: Osmosis is the spontaneous net movement of solvent molecules across a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on both sides.

Explanation:

a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane.

2.

the process of gradual or unconscious assimilation of ideas, knowledge, etc.

Hope it helps

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Neko [114]

Answer:

C. a haploid cell produced by meiosis

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3 years ago
what specific parts of the brain have been affected by the injury so as to cause the muscle weakness and language problems?
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Injury in frontal lobe can cause to muscle weakness and language problems.
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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
The bone are composed of two parts which are what?
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the shaft and the bone marrow

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A hard outer layer called cortical (compact) bone, which is strong, dense and tough. 2. A spongy inner layer called trabecular (cancellous) bone. This network of trabeculae is lighter and less dense than compact bone.

<h2>mark me brainliest please</h2>
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3 years ago
What Amendments affect election or tenure of officeholders?
MrRissso [65]

Answer:

the twenty second amendments to the united states

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limits the number of times of a person is eligible for election to the office of president of the united states to two,and sets additional eligibility conditions for president who succeed to the unexpired terms of their predecessors

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