A long day plant will flower when exposed to short nights. Indicate whether the statement is true or false
True
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Describe at least two reasons why the time it takes your breath to produce a color change in BTB after running 1 minute might be different from the time recorded for another person?
What will be an ideal response?
What is a matrix? What materials are in it?
What will be an ideal response?
In the graph, interpret the data that are shown regarding the response of a large number of infants to vaccination from dangerous rotavirus infection. Which of the hypotheses is NOT supported by these data results?
This figure shows graphed medical research results from a study on a new vaccine. The research was done in an effort to determine if a new vaccine would be effective in preventing potentially dangerous rotavirus infections in infants. Green data bars represent occurrence of infant cases that had normal rotavirus strains that aren't critically dangerous. Blue data bars represent occurrence of infant cases that had more dangerous rotavirus strains that can hospitalize or lead to fatality of infants.
A. The low dose of the vaccine reduces incidence of illness from any rotavirus in general, and also severe rotavirus.
B. The new vaccine is ineffective in protecting infants from any rotavirus infection.
C. Hypotheses about the vaccine doses can't be evaluated because the placebo group is biased, with high incidence of illness in those infants.
D. Medium and high doses of the vaccine are more effective at reducing severe rotavirus illnesses than reducing any rotavirus.
E. The high dose of the new vaccine does not offer any stronger protection from any rotavirus infection than the medium dose.
What is the hygiene hypothesis?
A. People who have more exposure to infectious agents will have an overactive immune system. B. People who have less exposure to infectious agents will have an overactive immune system. C. People who have better hygiene and are cleaner will have a weaker immune system. D. People who have better hygiene and are cleaner will have more infections. E. People who have better hygiene and are cleaner will have fewer infections.