In humans, egg production (oogenesis) differs from sperm production (spermatogenesis) in that spermatogenesis 

A. produces many more cells than oogenesis.
B. occurs on a monthly cycle.
C. produces polar bodies.
D. occurs for a short period of a person's life.


A. produces many more cells than oogenesis.

Biology & Microbiology

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_____, which occurs when two related viruses infect the same host at the same time, can lead to the emergence of new

viral strains. Genetic isolation

a. DNA mutation b. Cell lysis c. Viral reassortment d. Genetic isolation e. Reverse transcription

Biology & Microbiology

If a proto-oncogene becomes damaged or undergoes a mutation, it may become a(n) ________ if it contributes to the development of cancer

Fill in the blank(s) with correct word

Biology & Microbiology

Predict what would happen as the entropy of a system approaches 100%

A) All motion would stop. B) Randomness would become maximized. C) Order would become maximized. D) Heat would decrease.

Biology & Microbiology

The mass extinction that occurred on earth 65 million years ago was immediately followed by:

a) the rise of archaea. b) the emergence of the first non-photosynthetic organisms. c) an increase in atmospheric oxygen levels. d) the rapid divergence and radiation of modern mammals. e) the rise of the reptiles, including the dinosaurs.

Biology & Microbiology