The answer should be <span>B. nucleoli</span>
Answer:Phenolphthalein is a presumptive test that reacts with the heme molecule present in blood. A positive reaction gives a pink color. While bloodstains normally appear red-brown in color, the color of the substrate or the age of a stain may affect the appearance or visibility of the stain.
Explanation:
Answer:
1) To produce eggs and sperm cells.
2) To transport and sustain these cells.
3) To nature the developing offspring.
Photosynthesis:
6CO2+6H2O+Energy(energy in)--> C6 H12 06+602
Respiration:
C6 H12 O6+6O2--> 6O2+6H2O+ Energy (energy out)
Similar:
*Both a chemical reaction used by the plant
Difference:
- One uses solar energy and the other one doesn't
- Same process but reversed
A collection of specialized cells and cell products that perform a specific function is called "tissue".