HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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adding more distilled water to the culture
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adding excess nutrients to the culture
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exposing the culture to a higher concentration of CO2
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exposing the culture to ultraviolet radiation
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Detailed explanation-1: -Answer. The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.
Detailed explanation-2: -The exchange of carbon dioxide and oxygen during photosynthesis and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.
Detailed explanation-3: -Which statement best describes why pathogens are harmful? All of the cells of an organism infected by pathogens become pathogens.
Detailed explanation-4: -What change would occur immediately if both structures labeled B were damaged or blocked? Structure A would decrease urine production. Gametes would no longer be transported to female. The blood supply to structure E would decrease.