The colony count of a 10^-8 plate in a dilution series is 162. What is the bacterial count in the original sample?
What will be an ideal response?
1.62x10^10
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True or false: Humans have a negative impact on all species with which they interact
A. true B. false
Proteins embedded in the nuclear envelope that selectively allow substances to cross into and out of the nucleus form
A. Golgi B. Cytosol C. Endoplasmic Reticulum D. Nuclear Pores E. Nucleus
What is the function of the iris?
a. control the amount of light entering the eye b. focus the image on the retina c. respond to particular colors d. keep the lens under tension to allow for image focusing e. prevent light scattering upon entry to the eye
The greatest diversity of plants and animals is found in
A) chaparrals. B) northern coniferous forests. C) savannas. D) tropical rain forests. E) temperate deciduous forests.