What is the structure labeled B in the accompanying figure?
A. Cytoplasm
B. Nucleoid
C. Plasma membrane
D. Capsule
E. Pilus
Answer: B
Biology & Microbiology
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The uptake of water and mineral ions from the soil occurs primarily at the ____
a. endodermis b. root cap c. quiescent center d. pericycle e. root hairs
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Which of the following choices best describes the earliest cells?
a. aerobic heterotrophic eukaryotes b. anaerobic prokaryotes c. heat-resistant Archaea d. photosynthetic marine eukaryotes
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Polycistronic mRNAs encode Polycistronic mRNAs encode
A) one product that is alternatively spliced. B) more than one protein. C) multiple cis elements. D) exclusively eukaryotic proteins. E) None of these.
Biology & Microbiology
Day 1 of the menstrual cycle is when ovulation occurs
Indicate whether the statement is true or false
Biology & Microbiology