complete solu on| Updated RATED A+| 2026
An organism is found during a biopsy of lung ssue. It is determined to belong to the genus
Streptococcus and is known to cause tuberculosis. What type of organism is this?
Bacteria
A botanist has discovered a new plant and notes that it is predominantly found in its
gametophyte form. Which category does this plant most likely belong to?
Bryophyte
In the fetal circulatory system, the ductus venosus allows blood to bypass?
Liver
What would be the expected outcome if the acrosome of a mature sperm failed to develop?
Inability to penetrate zona pellucida
IgA
Found in muccous, salivia, tears, and breast milk. Protects against pathogens
IgD
Part of the B cell receptor. Ac vates basophils and mast cells
IgE
Protects against parasi c worms. Responsible for allergic reac ons
IgG
Secreted by plasma cells in the blood. Able to cross the placenta into the fetus
IgM
May be a+ached to the surface of a B cell or secreted into the blood. Responsible for early
stages of immunity.
Which process immediately follows the penetra on of the corona radiata by sperm?
Acrosomal reac on