Bacteria and Archaea Quiz PDF: Questions and Answers - 171

MCQ 851: What adaptations do most thermophile archaea have to protect their DNA from extreme heat?

1. biochemical modification in DNA
2. fragmented DNA
3. sheared DNA
4. larger DNA

MCQ 852: Which of the following is the second most common cancer in the United States?

1. colorectal cancer
2. lung cancer
3. breast cancer
4. blood cancer

MCQ 853: The reductional division is another name for which of the following processes?

1. mitosis
2. meiosis
3. binary fission
4. splitting

MCQ 854: After the first cross, if the F1 generation looks exactly like one of the parents, it means that the inherited gene shows

1. semi dominance
2. total dominance
3. multi dominance
4. complete dominance

MCQ 855: Plants that have been inbred for many generations and have the same characters as their parents are called

1. pure breeding
2. non breeding
3. self breeding
4. true breeding