The destruction of tissue by rapid freezing with substances such as liquid nitrogen is known as cryosurgery.
Liquid nitrogen is a chemical substance that has a boiling point of –320°F (–196°C). It finds its applications in a variety of things like, as a coolant, in medicines, in cryogenics, for transport, vacuum pumps, etc. Skin contact with the liquid nitrogen should be avoided as it can cause burns and even blisters.
Cryosurgery is the surgical procedure where an extremely cold liquid is used to freeze the damaged tissues of the body. It can be used to treat cancer. STDs like genital warts are also treated with this surgery.
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Answer:
c. 20.
Explanation:
The answer is 20 because on 20 days, 7 colonies of Micro Yo occurs. The data of bacterial growth indicates that population of bacteria increases with the passage of time. This increase occurs due to good environmental conditions for bacteria that allows it to grow and increase their population. So we can say that the growth graph moves in the upward direction with the passage of time or number of days.
Answer:
A cell is placed in a highly concentrated salt solution. What will most likely happen to the cell if left in the solution? The cell will shrink in size, losing water due to osmosis.
The answer is 50 percent.
Parent plant of genotype Rr will in meiosis produce haploid gametes which will carry either R allele or r allele. Since there are only two possibilities R or r, the probability that seed will get r gene is 1 of 2. This can be presented as 1/2, which is 50%.