What is the process by which light energy is converted into the stored chemical energy of organic molecules?
a. diffusion
b. endocytosis
c. respiration
d. fermentation
e. photosynthesis
e
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Fungi spores are haploid; what distinguishes haploid spores?
A. Haploid spores have a double set of chromosomes, half the number of chromosomes of diploid organisms. B. Like diploid organisms, haploid spores have a single set of chromosomes. C. Haploid spores have a single set of chromosomes, half the number of chromosomes of diploid organisms. D. Like diploid organisms, haploid spores have a double set of chromosomes.
The hematocrit measures the relative ability of an individual to fight off infection.
a. true b. false
To introduce dsRNA into C. elegans, it is enough just to dip the worms into media that includes E. coli containing the dsRNA because __________
A) E. coli infect C. elegans and then the RNA is released B) E. coli break up into pieces due to the presence of the worms C) C. elegans feed on the transgenic bacteria D) C. elegans emit toxins that paralyze the bacteria E) E. coli emit chemicals that cause pores to open in the nematode body wall
Can a t-stat be negative for the hypothesis test of the population mean of the heights of econometrics students (which will always be positive)?
A. Only if the null hypothesized value if negative. B. Only if the null hypothesized value is positive. C. No. D. None of the answers is correct.