Discuss the sexual and asexual reproduction of Rhizopus, the black bread mold. Include the names of the structures
involved. What will be an ideal response?
Concepts to Consider: Spores grow into a mycelium (haploid), producing sporangia with
asexual spores (haploid); hyphae of different mating types come together and form
gametangia (haploid); resultant zygospores (diploid) germinate, producing haploid hyphae,
which produce sporangia with haploid spores.
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Which of the following is true?
a. Eukaryotes are smaller than prokaryotes. b. Prokaryotes are smaller than eukaryotes. c. Prokaryotes and eukaryotes are approximately the same size. d. Most prokaryotes are larger than eukaryotes, but not all.
What physical properties of phospholipids make them useful in building membranes?
a. their usefulness in cells in living organisms that exist in watery environments, dueto their polarity b. their ability to interact with polar and non-polar compounds c. their ability to form a bilayer because of their polar and non-polar components d. all of the above
The intra-alveolar pressure is determined by what two factors?
A) quantity of air in the alveolus and volume of the alveoli B) dead air space and atmospheric pressure C) elastic recoil and intrapulmonary pressure D) perfusion pressure and elastic recoil E) functional residual capacity and elastic recoil
What are the symptoms of a TB infection?
A. runny nose, sore throat, postnasal drip B. skin rash, fever C. bad cough, chest pain, coughing up blood or sputum D. opportunistic infections, chronic diarrhea E. lethargy, general malaise