Which of the following is found in both archaeal and eukaryotic genomes?
A. chromatin fibers
B. histones
C. heterochromatin
D. euchromatin
E. nuclear envelope
Answer: B
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In what way are a human and a crab similar?
A. Vertebrates and arthropods are deuterostomes. B. Both have muscles that pull against rigid skeletons. C. Both have closed circulatory systems. D. Both have a continuous growth pattern. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about crustaceans? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A cell that has a diploid number of 6 chromosomes has 3 chromosomes lined up in the center of the cell, each chromosome containing two joined sister chromatids. What phase of the cell cycle is this cell in?
A) Metaphase I of meiosis B) Metaphase II of meiosis C) Metaphase of mitosis D) Telophase I of meiosis
Which of the four major chemicals found in cells comprise telomeres?
A) Carbohydrates B) Lipids C) Proteins D) Nucleic acids
Which of the following mutations would not result in antibiotic resistance?
a. Missense mutation b. Nonsense mutation c. Silent mutation d. Frameshift insertion e. Frameshift deletion