Answer:
250
Explanation:
According to the question the number of bacteria population becomes double in 9 hours to that of 1 hr that means bacteria is dividing in 9 hours. Each time the bacteria divides, the numbers become double.
As we have found that bacteria is dividing in 9 hours so for the first 9 hours the number will be same as initial population i.e. 250. But just after nine hours the population will be double i.e. 500.
So, after 3 hours the population will be same as initial population, 250.
Answer:
Low mean corpuscular value can shift the curve to the left side.
Explanation:
RBC histogram may be defined as the process of plotting the number of blood cells on Y- axis and their relative size on X- axis. Modern automated haematology is used for the construction of RBC histogram.
The cell population of RBCs is similar in size but not equal to the size of RBC the curve can shift to either direction. The low MCV (mean corpuscular value) value can shift the the curve to the left side while considering an RBC histogram.
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Answer: the correct option is A (increased by exposure to light).
Explanation:According to the results of this experiment, germination of tobacco seeds during the first week is increased by exposure to light. Germination is a process by which plants grow or sprouts from seedlings after a period of dormancy. One of the environmental factors that are necessary for germination of seedlings is light.
