In the light-independent reactions of photosynthesis, CO2 is added to a five-carbon molecule known as
A. cellulose.
B. CAM.
C. ribose.
D. RuBP.
E. deoxyribose.
Answer: D
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In some species, the sex of the future
individual is decided by environmental conditions and not by sex chromosomes. In which of the following species is sex decided by temperature?
a. birds b. fruit flies c. frogs d. rabbits e. zebras
When Shakespeare wrote about the world as a stage
and each of us being players, he was unknowingly referring to the biological concept of a. succession. b. the niche. c. different habitats. d. feeding levels. e. interspecific competition.
Which is the only surviving Asian great ape?
A. Orangutan B. Gorilla C. Chimpanzee D. Monkey E. Gibbon
From the sequencing of the human genome, we believe that there are approximately 21,000 protein-coding genes in the genome, of which 1500–3000 are transcription factors
If every gene has a tissue-specific and signal-dependent transcription pattern, how can such a small number of transcriptional regulatory proteins generate a much larger set of transcriptional patterns?