Which of the following kingdoms can do photosynthesis?
A. all animals
B. some protists
C. all bacteria
D. some fungi
E. all archaea
Answer: B
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Which of the following hormones plays a direct role in the development of secondary sexual
characteristics in males, such as facial hair, voice changes, and increasing muscle mass?
a. testosterone b. LH c. FH d. all of these
matching the descriptions with the most appropriate
bond type. a. hydrogen b. ionic c. covalent d. polar covalent e. double bond M 71. the bond between the atoms of table salt (NaCl) M 72. the bond type holding several molecules of water together M 73. the bond between the oxygen atoms of oxygen gas (O2) M 74. the bond that breaks when salts dissolve in water M 75. a bond in which connected atoms share electrons
Bacteria are single-celled organisms with a single chromosome found in which cell space?
A) nucleus B) nucleolus C) nucleoid D) nuclear envelope E) mitochondria
The process that decreases the number of organisms with phenotypes less fit to meet environmental
challenges is: a. natural selection. b. genetic drift. c. gene flow. d. genetic polymorphism. e. migration.