### prokaryote:

Most prokaryote
* Most most prokaryotes have flagella.
* Some most prokaryotes have cell structures

Prokaryotic organism
* Most prokaryotic organisms are single-celled, such as bacteria and algae.
* are usually unicellular, but a few form simple colonies.
* differ from eukaryotic organisms in complexity and structure.
* lack a nucleus.
* reproduce through binary fission.

### prolactin:

Elevated prolactin
* can cause irregular ovulation in some women
  - have a profound effect on fertility
  - interfere with pregnancy
* is thought to be due to the high estrogen levels.

Excess prolactin
* can interfere with the regulation of menstruation.
* has a negative effect on fertility.
* reduces estrogen levels and inhibits ovulation.

### prolific seed producers:

Uncontrolled plant
* are prolific seed producers.
* can become invasive in a small amount of time.

Proline
* is amino acid
* often serve to delineate the amino terminal end of a helix.
* tends to terminate -helices.

### promise:

Parole
* are liberations
  - promise
* is promise

### promising vaccine candidate:

G protein
* activate and inhibit elements in the learning pathway.
* activates the enzyme adenylate cyclase.
* are a subset of a superfamily of proteins that bind with guanine nucleotides.
* consist of three subunits called alpha, beta and gamma
* help cells communicate with each other.
* mediate communication between receptor and effector inside the cell.
* promising vaccine candidate.
* signaling pathways are also crucially important during mammalian development.

### pronouns:

Interrogative pronoun
* are pronouns.
* begin interrogative sentences.
* can include the pronouns who, whom, which, what, and whose.
* introduce interrogative sentences.

### propagation:

Redshift
* applies to radio waves, and other wavelengths, as well as to light
  - wavelengths, as well as visible light
* common measurement of astronomical distances.
* give astronomers an idea of how far away a galaxy or quasar is.
* is propagation
  - the shift of spectral lines toward longer wavelength
* measure of celestial distances
  - how fast galaxies are moving away from Earth
* planetarium program which can put the user on any object in the solar system.

Property insurance
* covers damage to physical property and the ensuing loss of income
  - the policyholder's own property
  - loss or damage to the policyholder's own property
* fixed amount for liability insurance.
* includes many types of insurance that handle damage or loss of property.
* is provided predominantly by British companies.
* protects against such occurrences as robbery or fire.

Proportional font
* are fonts
  - more like professionally typeset text
* use individual widths for each character
  - less space and, therefore, less paper to print
* vary the spacing between characters according to the letter.

### proportional font:

Old style
* is style.
* proportional font

### proprioception:

Vestibular sense
* is proprioception
* provides information related to movement and head position.

Prostitute
* Many prostitutes are children.
* have possibly the highest rape rate in the population.
+ Prostitution, Problems, Child prostitutes
  * One of the big problems is that of child prostitution. Many prostitutes are children. This means that people caught with these prostitutes may also face charges of having sex with a child. In most countries, prostitutes do need to be of a certain age, which is usually higher than the age of consent. Usually, having sex with a child is punished harshly
  - Ways and methods
  * Some prostitutes walk the streets looking for customers. Others work in bars and nightclubs. Others may work at a building called a brothel.
  * Not all escort agencies supply prostitutes. Many prostitutes just work for themselves. In the Red-light district, some of the prostitutes sit in windows to show that they are available for business
+ Rape, Statistics, US: Medical emergencies