Which of the following is NOT found in a
femur?
a. spongy bone
b. compact bone
c. connective tissue
d. collagen
e. all of these are found in a femur
E
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The spread of endospores in the US in 2001 was declared an act of bioterrorism when cases of ______ suddenly increased within the human population
Fill in the blank(s) with the appropriate word(s).
Which of the following statements best describes the effects of caffeine on the body?
A. Caffeine is only water-soluble, not fat-soluble, so it is less likely to be absorbed into the bloodstream. B. Caffeine is considered a psychoactive drug because it changes brain function. C. Caffeine cannot readily cross the plasma membrane into body cells, so all effects are short-lived. D. Caffeine is a diuretic and can cause extreme water loss. E. In the brain, caffeine activates receptors for adenosine and blocks the action adrenaline.
What separates in meiosis I to reduce the diploid number (2n) of chromosomes to the haploid number (n)?
What will be an ideal response?
The Nocardiaceae bacterium, Rhodococcus, is of considerable interest because of its variety of enzymatic degradation pathways. Which of the following is(are) able to be broken down by Rhodococcus? (Check all that apply.)
A. Petroleum hydrocarbons B. Stainless steel C. Pesticides D. Detergents