What is the correct order of structures in a chromosome from smallest to largest?
A) nucleotide, nucleosome, histone, tight helical fiber, chromosome
B) nucleosome, nucleotide, histone, tight helical fiber, chromosome
C) nucleotide, histone, tight helical fiber, nucleosome, chromosome
D) nucleotide, histone, nucleosome, tight helical fiber, chromosome
Answer: D
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The three bones of the inner ear function:
A. in the sense of balance B. to amplify sound waves that strike the tympanic membrane C. to detect motion D. in proprioception
Which of the following organisms is responsible for
the disease called sudden oak disease? a. Balantidium coli b. Phytophthora ramorum c. Macrocystis d. Yersinia pestis e. none of these
Gas exchange requires a surface that is both ________
A) durable and stiff B) protected within the body and connected to the circulatory system C) thin and moist D) permeable to oxygen and impermeable to carbon dioxide
Which of the following is the best method to sterilize heat-labile solutions?
A) dry heat B) autoclave C) membrane filtration D) pasteurization E) freezing