Phospholipids have a hydrophilic(water-liking) ‘head’ and a hydrophobic ‘tail’ so they are amphipathic. They form a lipid bilayer because of their amphipathic properties. The tails get sandwiches between the hydrophilic heads that are able to interact with water.
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Answer:
A double blind experiment
Explanation:
A double-blind experiment refers to an experiment in which the information about the treatment of the studied variable is provided to neither the researcher nor the participant. In this type of experiment, both the participant and the experimenter are unaware that which participant has got the experimental treatment.
This test is used by the drug researcher in which the placebo treatment along with experimental treatment is provided. This experiment is performed to ensure that the results are unbiased and the chances of errors and prediction get reduced.
Thus, A double-blind experiment is correct.
Answer:
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Explanation:
<span> the more closely </span>organisms are related, the more similar the DNA sequences are. It's also used to determine evolutionary (phylogenetic) relationships. For example, DNA analysis showed that hyenas, although they look like dogs, are more closely related to cats. so
Explanation:
Biodiversity Hotspots of the World
Eastern Afro-Montane.
The Guinean forests of Western Africa.
Horn of Africa.
Madagascar and the Indian Ocean Islands.
Maputoland, Podoland, Albany hotspot.
Succulent Karou.
East Malanesian islands.
South Africa's Cape floristic hotspot.
