Fill in the blank (s) with the appropriate word(s).
A tumor that is cancerous and has the ability to spread is referred to as a ____ tumor.
Ans: malignant
Biology & Microbiology
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Which of the following is notusually involved in the processing of primary mRNA transcripts?
A. addition of multiple adenosines to the 3' end B. covalent joining of exons C. methylation of nucleotides at the 5' end D. insertion of intron sequences
Biology & Microbiology
Annuals are never
a. grasses. b. herbaceous plants. c. herbs. d. woody plants
Biology & Microbiology
Archaeans resemble bacteria by the ____, and resemble eukaryotes by the ____
a. lack of membrane-bound organelles; presence of a nucleus b. presence of similar cell wall proteins; presence of similar rRNA sequences c. ability to perform aerobic respiration; presence of similar cell wall proteins d. lack of membrane-bound organelles; presence of introns e. presence of nucleoid region; lack of a nuclear envelope
Biology & Microbiology
Chromosome territories do not overlap each other. Indicate whether the statement is true or false
Biology & Microbiology