Operons that code for catabolic enzyme systems are typically regulated by repressors

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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You are at a stage in your research in which you must design an experiment to test your hypothesis

What factors must you include to insure that your experimental data is good valid data?

What will be an ideal response?

Biology & Microbiology

Which of the following is NOT part of the bark

of a tree?

a. secondary phloem b. secondary xylem c. cork cambium d. periderm e. more than one of these is NOT part of the bark of a tree

Biology & Microbiology

Tetanus is a very serious disease caused by a toxin from a bacterium. Which of the following is the most obvious symptom?

A) muscle paralysis B) excessive weight gain C) excessive sneezing D) dissolving bones

Biology & Microbiology

Which is incorrect about parvoviruses?

A) They cause a disease known as fifth disease B) They cause several diseases in dogs, cats and other mammals C) They are single-stranded DNA viruses D) Parvovirus B19 causes erythema infectiosum E) They cannot be transmissible to the fetus

Biology & Microbiology