Um lets see so first coold air comes pushing awah heat to another area. i tihnk
The walls of xylem cells are lignified (strengthened with a substance called lignin ). This allows the xylem to withstand pressure changes as water moves through the plant.
The cell membrane is flexible because of the presence of oil like substances called phospholipids, which gives it a fluid nature. While as the cell walls are rigid because of the presence of the thick layers of the substances like cellulose in plants, chitin in fungi and peptidoglycon in bacteria.
Answer:
The correct answer would be Both types of fingerprints can often be easy to obtain from the crime scene.
DNA fingerprinting is a technique used for a paternity test and in establishing a link between the biological evidence and suspect in the crime, identification of dead bodies et cetera.
It is based on the similarities and differences associated with the DNA sequence of organisms especially the non-coding or junk DNA.
The DNA fingerprints are developed in labs, they are not found at crime scenes.
At the crime scene, pieces of biological evidence such as blood, skin, hair et cetera are taken from which DNA could be extracted.
Answer:
false
Explanation:
with new knowledge , science evolves.
