Chapter 1 - Multiple Choice Flashcards
Which process involves the deliberate alteration of an organism's genetic material? A. Bioremediation B. Biotechnology C. Decomposition D. Recombinant DNA technology
D
Abiogenesis
A. Refers to the spontaneous generation of organisms from nonliving matter.
B. Explains the development of life forms from preexisting life forms.
C. Only takes place in the absence of aseptic technique.
D. Was supported by Pasteur’s swan-necked flask experiments.
A
When a hypothesis has been thoroughly supported by long-term study and data, it is considered A. A law B. A speculation C. A theory D. Proved
C
Which is the correct way to denote the scientific name of a microorganism? A. e. coli B. E. coli C. E. coli (in italics) D. e. Coli (in italics)
C
Which of the following is an acellular microorganism lacking a nucleus? A. Bacterium B. Helminth C. Protozoan D. Virus
D
Which is a correct statement about proteins?
A. They are made up of nucleic acids.
B. They contain fatty acids.
C. They primarily serve as an energy source within the cell.
D. Their shape determines their function.
D
DNA is a hereditary molecule that is composed of
A. Deoxyribose, phosphate, and nitrogen bases.
B. Deoxyribose, a pentose, and nucleic acids.
C. Sugar, proteins, and thymine.
D. Adenine, phosphate, and ribose.
A
Which of the following is not considered a microorganism? A. alga B. Bacterium C. Protozoan D. Flea
D