In an experiment, the group used as a basis of comparison is the
A. control group.
B. experimental group.
C. empirical group.
D. variable group.
A. control group.
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The statement, "The total amount of energy in the universe is constant," is a tenet of
A) the first law of thermodynamics. B) the second law of thermodynamics. C) thermodynamic spontaneity. D) entropy. E) enthalpy.
________ is the scientific study of the relationship between organisms and their environment
Fill in the blank(s) with correct word
Which of the following structures contains the receptor protein importin?
A) mitochondrion B) nucleolus C) chloroplast D) plastid E) nucleus
Bacteria of the genus Mycoplasma lack cell walls. What sort of environment do they require for survival?
A) low temperature B) hypotonic C) isotonic D) hypertonic E) a biofilm