In gymnosperms, which of the following structures or cell types would be considered spores? Select all correct choices
A. pollen precursor cells in the pollen cones
B. mature pollen in the pollen cones
C. seeds with the potential to germinate
D. egg precursor cells in the ovule cones
E. mature eggs in the ovule cones
A,D
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Instead of being isolated by pure culture, SAR11 was discovered when researchers analyzed the gene sequences contained within seawater samples
A. true B. alse
What is the correct order of elements that comprise a functional protein encoding gene in a prokaryote?
A. Promoter, regulatory region, transcribed region, terminator B. Regulatory region, promoter, transcribed region, terminator C. Regulatory region, promoter, terminator, transcribed region D. Promoter, transcribed region, regulatory region, terminator
The molecule shown above is the pyrimidine ____, which is typically found in RNA but not DNA
a. thymine b. adenine c. uracil d. guanine e. cytosine
In honeybees, if food is closer than 50 m, scouts
A. look for other food. B. do not perform a dance. C. perform a waggle dance about the food's location. D. perform a round dance about predation risk. E. perform a round dance about the food's proximity.