A hedgehog has 90 chromosomes in their diploid cells. At the end of meiosis II how many chromosomes and sister chromatid are present in each daughter cell?
A. 45 Chromosomes, 0 Chromatids
B. 90 Chromosomes, 90 Chromatids
C. 45 Chromosomes, 45 Chromatids
D. 90 Chromosomes, 0 Chromatids
Answer: A. 45 Chromosomes, 0 Chromatids
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Each of the following statements concerning the gram-positive cell wall is true EXCEPT
A) it maintains the shape of the cell. B) it is sensitive to lysozyme. C) it protects the cell in a hypertonic environment. D) it contains teichoic acids. E) it is sensitive to penicillin.
Prereduced, anaerobically sterilized (PRAS) media:
a. are produced, packaged, shipped, and stored under anaerobic conditions. b. have a short shelf life of only 2 weeks. c. enable the culture to be incubated in the regular incubator under aerobic conditions. d. contain peroxides that enhance the growth of certain anaerobes.
The temporal lobe of the cerebral cortex ____
a. governs speech production b. is the vision center c. is associated with memory storage d. is responsible for hearing and smell e. is the primary motor area
Which one of the following examples describes a communication mode that would be best for signaling over the greatest distance in a dark, densely forested environment?
A. display of plumage of a male bird to attract females B. waggle dance of a honeybee in a colony within the forest C. pheromones released by a female moth D. territorial song of a male bird to repel other males E. flashing of a male firefly to attract conspecific females 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 the different modes of communication? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection 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?