The cylinders in this experiment represent a 24-hour period. The light area represents light periods during a 24-hr. period and the dark area represents dark periods during a 24-hr. period. The critical length of dark vs. light periods for flowering is depicted by the dotted line. Note that some plants are flowering and some are not flowering. Study the results of this experiment on photoperiodism and flowering to determine whether the following statements are true or false.Long-day plants will never flower if the day length is shorter than the critical period.
Answer the following statement true (T) or false (F)
False
Long-day plants will flower if the day length is shorter than the critical period if the dark period is interrupted by a brief flash of white light.
You might also like to view...
Microorganisms show differential sensitivity to antimicrobial agents.
Answer the following statement true (T) or false (F)
After reaching the inner ear, the frequency of a sound primarily affects
A. the vibrational amplitude of the tectorial membrane. B. the location of the greatest basilar membrane vibration. C. the amplitude of basilar membrane vibration.
Resistant bacterial strains have evolved as a result of use and over use of _______________
Fill in the blank(s) with the appropriate word(s).
Prion (PrPc) is a (A)___________ protein that has a cytoprotective role. PrPsc has an ability to convert PrPc into PrPsc, and forms aggregation through stacking of its (B)____________.
a. (A) GPI anchored membrane, (B) B-sheet b. (A) seven-transmembrane, (B) B-sheet c. (A) GPI anchored membrane, (B) a-helix d. (A) seven-transmembrane, (B) A-helix