There is still room for doubt because they can never be too sure whether there is evidence for life found in the graphite!
Answer:
1. How did the infant look when you found he or she/him or her?
2. Was the infants' head buried in a blanket?
3. Did you hear the infant cry out?
4. Were any of the siblings, jealous of the new baby?
Answer: a cell wall
Explanation: a cell wall is a barrier that protects the plant cell. Animal cells do not need this becuase they have a cell membrane which also protects the cell.
Answer:
C) The follicular tags are stretched.
Explanation:
Follicular tags are the parts of the follicule root that are still attached to the end of the hair, if they are stretched that means that the follicule suffered from distress from being pulled from the follicule and that the force with which was being pulled caused a rupture in the hair follicule that made the follicular tags to stretch and eventually separate the hair from the head.
Answer:
The correct answer is - To dissolve the cell and nuclear membranes and release the DNA.
Explanation:
The major function of the detergent in DNA extraction is to dissolve the cell and cellular membranes. It can increase the membrane permeability by pulling apart lipids and proteins that are components of the nuclear and cellular membrane and lyse the cell, from which we want to extract the DNA.
Detergents cause pores in the cell membranes and once these membranes are completely lysed the DNA is released from the cell. It is similar to detergents removes fat (lipids) from dishes.
