The hydrogen and oxygen atoms of a water molecule are held together by ________ bonds

A) ionic
B) hydrogen
C) covalent
D) polar


C

Biology & Microbiology

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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.

Biology & Microbiology

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.

Biology & Microbiology

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

Biology & Microbiology

The sequence of amino acids in a protein is its ________ structure.

A. hepternary B. tertiary C. quaternary D. primary E. secondary

Biology & Microbiology