Explain why regulation of enzyme synthesis is more time consuming than regulation of enzymatic activity
What will be an ideal response?
Answer: Regulating enzyme synthesis requires either controlling transcription, translation, or both. The controlling mechanisms themselves do not take an especially long time, but because already translated proteins will still be able to catalyze reactions, a sudden halt in enzyme synthesis has a phenotypic lag. On the other hand, enzyme activity can occur in the timeframe of seconds because once posttranslational modification is done to a protein, the effects are essentially immediate.
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Systematic analysis now commonly includes ________ to identify, characterize, and determine relationships between new strains of bacterial species
A) whole genome analysis B) microscopy C) staining D) pigments
Which of the following is/are obligate intracellular parasites?
A. Chlamydia and Rickettsia B. E. coli and Pseudomonas C. Mycoplasma D. Treponema pallidum
A large molecule whose subunits consist of a sugar and a nitrogenous base is called a ____
a. nucleoside
b. nucleotide
c. nucleic acid
d. nucleosome
e. nuclear unit
Scientists studying human behavior observe brain activity in an MRI for many patients. They show photos of babies to adults and look at which part of the brain lights up. They conclude that the part that lights up is in control of that response.
What will be an ideal response?