The first breath of the neonate is initiated by the:a
passage through the birth canal.
b. removal of amniotic fluid from its mouth.
c. accumulation of carbon dioxide in the blood.
d. detection of light by its visual receptors.
e. increase in oxygen concentration in the lungs.
C
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Put the following steps in the procedure for producing a karyotype in the correct order.
I. Cells are visualized under the microscope. II. Cells are stimulated to divide. III. Homologues are organized into sets by matching size and banding patterns. IV. The cells are exposed to a hypotonic solution. V. Cells are stained and placed on a microscope slide. A. I, II, IV, V, III B. II, IV, V, I, III C. IV, II, V, I, III D. IV, V, II, I, III E. II, IV, I, V, III
Differentiate between endotoxins and exoenzymes
What will be an ideal response?
The various flower parts are attached to a modified branch called the:
a. style b. receptacle c. stigma d. filament e. sepal
Plasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?
a. peroxisomes d. extracellular matrix b. desmosomes e. tight junctions c. gap junctions