Are viruses living organisms? Defend your answer based on the properties of life
What will be an ideal response?
Answer: Answers will vary; however, the student should present a logical and scientifically sound explanation for his/her position in the debate based on the properties of metabolism, irritability, and the ability to reproduce.
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In eukaryotic organisms, the processing of the 45S rRNA into 5.8S, 18S, and 28S rRNA occurs where?
A. In the cytoplasm B. In the nucleolus C. In the endoplasmic reticulum D. In the Golgi body E. Throughout the cell
With the biological species concept, the process of speciation is frequently defined as the evolution of ____ between
populations.
a. genetic drift b. gene flow c. reproductive isolation d. geographic separation e. reproductive inclusion
A mutation is more likely to affect a differentiated cell than a stem cell due to
A) skewed distribution of parental versus newly replicated DNA. B) a conscious effort on the part of the individual. C) lack of DNA replication in stem cells. D) skewed distribution of stem and progenitor cells.
Why would a scientist trying to isolate osteoblasts look between the periosteum and the bone in a young animal to find them?
What will be an ideal response?