Which of the following can be used to sterilize media in the microbiology lab?
A. boiling
B. autoclaving
C. lyophilization
D. osmotic pressure
autoclaving
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In contrast to most dsDNA animal viruses, the poxviruses replicate solely in the cytoplasm of the host cell. What does this suggest about the virus?
What will be an ideal response?
All of the following are correct about DNA fingerprinting, except
A. it can be used to analyze evidence when only minute amounts of DNA are found. B. it displays the unique pattern of an individual's DNA fragments. C. it can be used on hair and saliva. D. it cannot be used on specimens older than five years. E. it is routine to use it as trial evidence in the U.S.
rough ER
What will be an ideal response?
Which of the following statements is TRUE?
a. Each new cell receives half of the number of chromosomes in the original cell. b. Each new cell receives copies of all the original chromosomes. c. If the original number of chromosomes was 46, each new cell will have 23. d. The sister chromosomes are not identical due to breakages in the DNA. e. All chromosomes are duplicated except the sex chromosomes.