The main reason certain seeds germinate near the soil surface rather than deep in the soil is
A. they are then more aware of their surroundings.
B. they require light to germinate.
C. they need additional oxygen.
D. they are sensitive to the cold temperatures of the soil.
E. they have water deprivation.
Answer: B
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Codons that serve as "stop" signals for translation are recognized by
A. tRNA. B. release factors. C. anticodons. D. translation terminators. E. aminoacyl-tRNA synthetases
Your city is considering a proposal to build a new algae-based biofuel plant. What benefits would this have over traditional fossil fuels? (Check all that apply.)
_____ The kelp fronds would provide habitat for endangered sea otters. _____ It contributes less carbon to the atmosphere overall. _____ It is a renewable resource. _____ Biofuel doesn’t need to be burned to provide energy. _____ The system could be paired with wastewater treatment. _____ The algae can be filtered from the water and used for fuel without refinement.
Inside the nucleus, the two strands of nucleic acids that exist in the form of a double helix make up the molecule called ________
Fill in the blank(s) with correct word
Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanism?
A) alteration of a metabolic pathway B) alteration of an enzyme C) development of enzymes D) alteration of target