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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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

The key mediators of apoptosis are the ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology