In World War I, mustard gas was used as a chemical weapon, and at a high dose, it would cause death. However, it is now known to be a chemical mutagen. Explain how those who came in contact with mustard gas and survived have an increase chance of
developing mutations.
What will be an ideal response?
Mustard gas is an alkylating agent that donates an alkyl group to an amino or keto group on nucleotides. This causes mismatch pairing and increases transition mutations.
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When protists feed on solid nutrients such as bacteria by phagocytosis, they are said to be using ________ nutrition.
A. holozoic B. endozoic C. saprozoic D. parasitic
What seagoing technology changed the course of navigation methods by providing an accurate means to determine the longitude of a ship?
a. Sextant b. Celestial charts c. Chronometer d. GPS
Body cells of human females contain _____
a. one X chromosome b. two X chromosomes c. one Y chromosomes d. two Y chromosomes e. one X and one Y chromosome
The genotype AA is referred to as
a. heterozygous. b. hybrid. c. homozygous recessive. d. homozygous dominant. e. codominant.