Competitive advantages for cyanobacteria in the aquatic environment include ________.
A. the ability of many to fix nitrogen
B. the production of hydroxamates to bind iron
C. the production of toxins to resist predation
D. All of the choices are correct.
Answer: D
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Bacteriophage that have single-stranded genomes are specialized to minimize energy requirements because just one strand is necessary for replication
Indicate whether the statement is true or false.
Pleiotropic genes ____.
A. act on secondary sexual characteristics B. influence more than one aspect of phenotype C. are additive D. Always produce lethal effects when homozygous E. can only affect one trait or characteristic at a time
The designation "group A," used to help classify Streptococcus pyogenes, refers to this bacterium's
A) Lancefield antigen. B) hemolysis pattern. C) M protein. D) type of streptokinase produced. E) disease associations.
Small RNAs that bind to an mRNA and alter its expression are known as (antisense/probes/restriction) RNAs.
Fill in the blank(s) with the appropriate word(s).