A CELL DiViSiON ..

>Meiosis is the type of cell division by which germ cells are produced. Meiosis involves a reduction in the amount of genetic material, there is our stages in meiosis. This are :
INTERPHASE:
-before meiosis begin, a genetic material is duplicated.
FIRST DIVISION OF MEIOSIS:
*PHROPHASE 1
-Duplicated chromatin condenses. Each chromosome consists of two, closely associated sister chromatids. Crossing-over may occur in this stage.
*METAPHASE 1
-Homologous chromosomes align at the equatorial plate.
*ANAPHASE 1
-Homologous pairs separate with sister chromatids remaining together.
*TELOPHASE 1
-Two daughter cells are formed with each daughter containing only one chromosome of the homologous pair.
SECOND DIVISION OF MEIOSIS:
*PHROPHASE 2
-DNA does not replicate.
*METAPHASE 2
-Chromosomes align at th equatorial plate.
*ANAPHASE 2
-Centomeres divide and sister chromatids go separately on the opposite pole.
*TELOPHASE 2
-Cell division complete.


CELL DiViSiON WHiCH RESULT A PRODUCTiON OF TWO DAUGHTER CELLS FROM A SiNGLE PARENT ..

>Mitosis is a process of cell division which results in the production of two daughter cells from a single parent cell. The daughter cells are identical to one another and to the original parent cell.
*PHROPHASE
- The chromatin, diffuse in interphase, condenses into chromosomes. Each chromosomes has duplicated and now consists of two sister chromatids. At the end of prophase, the nuclear envelope breaks down into vesicles.
*METAPHASE
-The chromosomes align at the equitorial plate and are held in place by microtubules attached to the mitotic spindle and to part of the centromere.
*ANAPHASE
-The centromeres divide. Sister chromatids separate and move toward the corresponding poles.
*TELOPHASE
-Daughter chromosomes arrive at the poles and the microtubules disappear. The condensed chromatin expands and the nuclear envelope reappears. The cytoplasm divides, the cell membrane pinches inward ultimately producing two daughter cells


HYDROPHOBiC ..

>thats one property they have in common. This group includes FATS, OILS, and WAXES.
*FATS AND OILS
Fats and oils are made from two kinds of molecules: glycerol and three fatty acids joined by dehydration synthesis. Since there are three fatty acids attached, these are known as triglycerides.

ViTAL SiGNS ..

>Vital signs are measurements of the body's most basic functions. The four main vital signs routinely monitored by medical professionals and healthcare providers include:

• body temperature
• pulse rate
• respiration rate (rate of breathing)
• blood pressure (Blood pressure is not considered a vital sign, but is often measured along with the vital signs.)

Vital signs are useful in detecting or monitoring medical problems. Vital signs can be measured in a medical setting, at home, at the site of a medical emergency, or elsewhere.

AMiNO ACiDS..

>Amino acids play central roles both as building blocks of proteins and as intermediates in metabolism. The 20 amino acids that are found within proteins convey a vast array of chemical versatility.

ATTENTiON :

>teachers might improve teaching this type of lesson by using visual aids, by letting the students have an activity that is related to this lesson.