During erection, the _____ can be seen as a raised column on the lower side of the penis.
A. fourchette
B. corpus spongiosum
C. vas deferens
D. perineum
B. corpus spongiosum
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Which of the following is TRUE about exergonic reactions?
A. Exergonic reactions have a positive G. B. Exergonic reactions consume energy. C. Exergonic reactions are found only in biological systems. D. Exergonic reactions are catabolic. E. Exergonic reactions measure of the strength of an ionic bond.
According to the cohesion-tension mechanism of water transport, ____ does not contribute to the flow of the xylem
sap?
a. hydrogen bonding between water molecules b. adhesion of water molecules to the xylem vessel walls c. evaporation of water from the leaves d. water potential in leaf cells below that of the leaf xylem e. root pressure
Why are infections caused by viruses so much more difficult to treat or cure than those caused by bacteria?
What will be an ideal response?
What is the structure that holds the chromatids together?
A) centromere B) chromatin C) chromosomes D) karyotype E) none of these