<span>Embryonic stem cells
Tissue-specific stem cells
Mesenchymal stem cells
<span>Induced pluripotent stem cells
</span></span>
Thermometer
Anemometer
Hygrometer
Barometer
Answer:
Embryonic period
Explanation:
The time period of the growth of the baby in the womb of the mother of human is 38 weeks or 9 months.
The time period of 38 weeks is divided into three phases related to the events taking place in that period which are: the germinal period, embryonic period and the fetal period.
- The germinal period lasts from the implantation to the gastrula phase during which the germ layer begins to form that is in the first and second week.
- The embryonic phase begins after the second week and lasts about the eighth week which is marked by the phase of embryonic and differentiation.
Therefore, in the fifth week she is in the embryonic phase of prenatal development.
Answer:
2. Grains of rice
Explanation:
Everything else is microscopic.
Answer: a. True
Explanation: These postulates were formulated by Robert Koch as a result of his experiments with healthy and infected mice. The postulates are often used to determine if a phatogen causes a disease. These are:
- The pathogen must be present in sick individuals but not in healthy ones.
- The pathogen must be isolated from individuals and cultivated in a pure culture.
- The pathogen cultivated must cause sickness when it's injected in suceptible inviduals.
- The pathogen must be isolated from the injected individuals and must be exactly as the first one.