In a water molecule, hydrogen and oxygen are held together by a ________ bond
A) double covalent
B) nonpolar covalent
C) hydrogen
D) polar covalent
Answer: D
You might also like to view...
Consider the cell cycle of a human cell. During G2, what is the state of the homologous chromosomes?
A. The homologous chromosomes are lined up on the equator of the cell. B. The homologous chromosomes have all been copied through DNA replication and are beginning to condense. C. The homologous chromosomes have been pulled to their respective poles by the spindle apparatus. D. The homologous chromosomes have not been replicated yet. E. The homologous chromosomes are now in the haploid or n condition.
The following sequence represents events in the development of a fruit:
A. pollination, fertilization, embryo, ovary matures B. pollination, germination of pollen, endosperm, ovule C. pollination, endosperm, embryo, ovule matures D. pollination, fertilization, germination of pollen, ovule matures, embryo forms E. pollination, double fertilization, ovule matures, embryo forms, ovary matures
All of the following statements concerning characteristics of predator prey relationships are correct EXCEPT
A. A rise in the population of prey is often followed by a rise in population of predators B. A rise in the population of predators is followed by a decrease in the population of prey C. Camouflage is an adaptation that protects prey D. The production of large numbers of offspring within very short periods of time ensures the survival of some prey populations E. The population of predators most often eliminates the population of prey
Painful swelling, partly due to accumulation of gas, and rapidly spreading subcutaneous tissue necrosis is characteristic of a wound infection by
A. Clostridium perfringens. B. Clostridium tetani. C. Mycobacterium leprae. D. Bacillus anthracis. E. Streptococcus pyogenes.