The hydrogen and oxygen atoms of a water molecule are held together by ________ bonds
A) ionic
B) hydrogen
C) covalent
D) polar
C
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All of the following are true about prokaryotic cells EXCEPT:
a. Prokaryotic cells are smaller than eukaryotic cells. b. They do not contain DNA. c. They have no membrane-bound organelles. d. They have ribosomes and a cell membrane. e. They are found in two domains: Bacteria and Archaea.
A germline mutation passes from generation to generation because it occurs during the DNA replication before
A) mitosis. B) meiosis. C) fertilization. D) RNA replication.
Which of the following conditions is a sex-influenced trait?
a. pattern baldness b. incontinentia pigmenti c. ectoderm pigmentation syndrome d. epithelial aggregate syndrome e. albinism
The sequence of amino acids in a protein is its ________ structure.
A. hepternary B. tertiary C. quaternary D. primary E. secondary