Answer:
Intramembranous ossification:
Intramembranous ossification, the development of osseous tissue occurs without the cartliage formation. The bone forms on the mesenchyme tissue. No intermediate cartilage is formed in this type of ossification. This process is important for the formation of flat bones.
Endochondral ossification:
Endochondral ossification, the development occurs from the center and true bone tissue is replaced in this type of ossification. The cartilage formation occur in this process. An intermediate cartilage is formed in this type of ossification. This process is important for the formation of long bones.
Bactoprenol is indeed a peptidoglycan transporters that cycles monomers and places them somewhere at cell wall's growth point.
As bacitracin binds to this bactoprenol, the orientation of the peptidoglycan to the cell membrane fluidizes, allowing potassium ions to move from the protoplasts.
As a result of interfering with cell wall production and changing membrane potential, the bacterial cell is lysed.
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The answer is C. Lightening occurs where the baby drops into the pelvis to get ready to enter the birth canal.
Alcohol and drugs can alter people's judgment. They may take risks that might expose them to HIV that they would not take when sober.
Sharing needles to inject drugs (such as heroin, speed, or anabolic steroids) is VERY dangerous and can easily spread HIV (and other serious diseases) from one person to another.
Some people who are addicted to drugs may trade sex for drugs or money to get more drugs. This may put them at greater risk of HIV, especially if they do not always practice safe sex.
