You have been asked to synthesize a new isotope for cadmium. Which part of the original atom would you need to manipulate in order to create an isotope?
A. protons
B. protons and neutrons
C. electrons
D. neutrons
Answer: D
Biology & Microbiology
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The key mediators of apoptosis are the ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Changing environmental conditions would most likely cause an existing species to undergo ____
a. disruptive selection b. deleterious mutation c. directional selection d. stabilizing selection e. lethal mutation
Biology & Microbiology
Which of the following cells are diploid?
a. sperm b. primary spermatocytes c. secondary spermatocytes d. male germ cells e. both primary spermatocytes and male germ cells
Biology & Microbiology
As the concentration of substrate increases, the activity of the enzyme decreases
Indicate whether the statement is true or false
Biology & Microbiology