An enzyme has a Vmax of 50 micromol product formed (minute x mg protein)-1 and a Km of 10 microM for the substrate. When a reaction mixture contains the enzyme and 5 microM substrate, which of the following percentages of the maximum velocity will be closest to the initial reaction rate?

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#Question id: 26350

#Unit 2. Cellular Organization

Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the.

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#Question id: 12462

#Unit 10. Ecological Principles

For most terrestrial ecosystems, pyramids of numbers, biomass, and energy are essentially the same-they have a broad base and a narrow top. The primary reason for this pattern is that

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#Question id: 18891

#Unit 13. Methods in Biology

Which of the following microscope are not used for microscopy?

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#Question id: 15770

#Unit 5. Developmental Biology

During development, if a cell has committed to a particular fate, it is said to be

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#Question id: 2716

#Unit 2. Cellular Organization

With respect to assembly of every core histone which of the following is wrong?