Homologous pairs of chromosomes align opposite of each other at the equator of a cell during _____
A) mitosis metaphase
B) meiosis metaphase I
C) meiosis telophase II
D) meiosis metaphase II
Answer: B
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Which class of drugs would be effective against HIV but not against most other pathogenic viruses?
A. Nucleotide analogs that halt replication. B. Receptor antagonists that block viral entry. C. Non-nucleoside reverse transcriptase inhibitors that block reverse transcription. D. Translation inhibitors that stop assembly of viral proteins. 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 HIV replication? 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?
Plants such as peppermint and sage contain oils. What is the function of these oils?
A. They help keep the plant from drying out. B. They help repel insects. C. They keep other plants from germinating nearby. D. They prevent fungal infection. E. They have hormone-like activity that helps wounds heal.
In which blood vessels is blood pressure the lowest?
A) arteries B) capillaries C) veins D) left ventricle
How do genomes of species change?
a. By mutations in DNA. b. When individuals are exposed to a new habitat. c. Through extinction. d. They don't.