Tropical deciduous forests experience ____
a. mean annual temperature of at least 25oC
b. summer drought
c. winter drought
d. frequent mists
e. slow growth
ANSWER: c
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The end of floral shoot where a flower develops is called the ____
a. ovule b. calyx c. receptacle d. filament e. carpel
The fields of genomics and proteomics differ in that
A. genomics refers to the study of an organism's entire genome, whereas proteomics is the study of expressed proteins. B. genomics is the study of an organism's chromosomes and the resulting proteins are studied in the field of proteomics. C. the field of genomics involves the study of DNA replication and the field of proteomics refers to the study of transcription and translation. D. genomics is the study of an organism's chromosomes and proteomics is the study of transcription and translation of proteins.
People carrying less than 35 CAG trinucleotide repeats are more likely to develop Huntington disease. Indicate whether the statement is true or false
How does the antibiotic rifampicin prevent transcription of RNA?
A) Rifampicin blocks binding of RNA polymerase to the promoter. B) Rifampicin prevents chain elongation by preventing formation of the phosphodiester bond. C) Rifampicin prevents the chain termination, so transcripts are too long and are rendered nonfunctional. D) Rifampicin blocks ribosomal RNAs from forming functional ribosomes. E) Rifampicin blocks translation by preventing the mRNA from being processed.