The concentration of lipids necessary to prepare liposomes with a diameter of 250 nm is 0.30 mM.
<h3>What are liposomes?</h3>
Liposomes are vesicles which are made up of a lipid bilayer membrane.
Liposomes are important as delivery vehicles for substances such as drugs.
Ultrasonication is a method of liposomes preparation.
Solution of liposomes is dependent on the size.
The larger the diameter, the smaller the l elution volume. Also, increasing lipid concentration will decreases elution volume.
Therefore, the concentration of lipids necessary to prepare liposomes with a diameter of 250 nm is 0.30 mM.
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The correct answer is d. "Regeneration" means "forming new cells," and signifies that the disease-causing bacteria cells are multiplying. When there are more of these cells, there is a higher chance for antibiotic resistance (making it take longer for the antibiotics to work). Once there is a smaller concentration of these bacterial cells, the antibiotics become more effective.
Tap Root. Plants with a tap root system have a large dominant central root where other lateral roots sprout. These lateral roots are called secondary roots. Examples of plants with taproot system are: sugar beet, parsnip, carrots, radish, dandelion and beetroot.
New moon: we see darkness (aka nothing)
Waxing crescent moon: we see a sliver of light that indicates the crescent (during this time, the moon moves eastward away from the sun)
First quarter moon: when half the moon's face is illuminated.
Gibbous moon: when more than half the moon is illuminated, we call this a gibbous
Full moon: we see the whole round moon, lit up.
Waning gibbous moon: when the moon becomes thinner, but is still lit up for over half of its shape.
Third quarter moon: this is where the moon shows the other half of itself (that we didn't see in the 1st quarter) while the other half is dark.
Waning crescent moon: when the moon is a thin crescent, traveling down into the darkness of the full moon.
This process takes about a month (29.53 days).
Answer:
Changes involved in succession
Explanation:
In the field of ecology, community composition changes over time. The study of succession addresses this change, which can be influenced by the environment, biotic interactions, and dispersal. This change in community composition over time is termed succession.
