The ____ is/are responsible for closing off the airway during swallowing
a. larynx
b. epiglottis
c. pharynx
d. intercostal muscles
e. pleura
B
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Exponential growth is characteristic of populations that inhabit favorable environments at low densities
Indicate whether the statement is true or false
When drugs such as penicillin are transported in the blood, they are attached to globulins, a type of specialized hemoglobin molecule
Indicate whether the statement is true or false
An atom with three electrons _______________________
A. has one orbital with three electrons B. has two orbitals, one of which has two electrons, the other has one C. has three orbitals, each of which contains one electron D. has three energy shells, each of which contains one electron
Match the pathway with the characteristic or example.
A) fungi B) lysosome passage C) C4 plants D) carbon assimilation E) succulents F) nucleic acid replication G) C3 plants H) salvage pathway 1) Calvin cycle 2) glycolate pathway 3) Hatch-Slack cycle 4) crassulacean acid metabolism (CAM)