The name given to double-stranded DNA that is twisted upon itself is ________.
Fill in the blank(s) with the appropriate word(s).
supercoiled DNA
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Standard Precautions include:
a. using barrier devices to prevent exposure to skin and mucous membranes. b. recapping needles by hand. c. storing drinks but not food in laboratory refrigerators. d. discarding sharps in plastic biohazard bags.
The yolk, which is in many animal eggs, is
composed of
a. a mixture of individual amino acids and nucleic acids. b. a mixture of proteins and lipids. c. a mixture of proteins and carbohydrates. d. a mixture of nucleic acids and proteins. e. a mixture of lipids and nucleic acids
Mushrooms that we eat are technically referred to as:
a. basidiospores. b. basidiocarps. c. myceliae. d. hyphae. e. gills.
Which of the following is the correct order for the synthesis of the plant cell wall?
A) middle lamella; primary cell wall; secondary cell wall B) primary cell wall; middle lamella; secondary cell wall C) secondary cell wall; primary cell wall; middle lamella D) middle lamella; secondary cell wall; primary cell wall E) primary cell wall; secondary cell wall; middle lamella