DAT® (Dental Admission Test)
Questions and Verified Answers
Latest Update
,
,DAT Biology (ALL Exam Questions)
An organism is found during a biopsy of lung tissue. 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. Activates basophils and mast cells
, IgE
Protects against parasitic worms. Responsible for allergic reactions
IgG
Secreted by plasma cells in the blood. Able to cross the placenta into the fetus
IgM
May be attached to the surface of a B cell or secreted into the blood. Responsible for early stages of
immunity.
Which process immediately follows the penetration of the corona radiata by sperm?
Acrosomal reaction
Describe how the endometrium is maintained after implantation?
the placenta secretes chorionic gonadotrophin (hCG)
Regulation of the Lac Operon?
When allolactose is present, it binds to and deactivates a repressor protein
Which of the following statements is true about energy use by the body?
A. Protein is preferentially utilized as an energy source over fat
B. Fats have the greatest yield of ATP
C. Most glycogen stores are in muscle
Questions and Verified Answers
Latest Update
,
,DAT Biology (ALL Exam Questions)
An organism is found during a biopsy of lung tissue. 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. Activates basophils and mast cells
, IgE
Protects against parasitic worms. Responsible for allergic reactions
IgG
Secreted by plasma cells in the blood. Able to cross the placenta into the fetus
IgM
May be attached to the surface of a B cell or secreted into the blood. Responsible for early stages of
immunity.
Which process immediately follows the penetration of the corona radiata by sperm?
Acrosomal reaction
Describe how the endometrium is maintained after implantation?
the placenta secretes chorionic gonadotrophin (hCG)
Regulation of the Lac Operon?
When allolactose is present, it binds to and deactivates a repressor protein
Which of the following statements is true about energy use by the body?
A. Protein is preferentially utilized as an energy source over fat
B. Fats have the greatest yield of ATP
C. Most glycogen stores are in muscle
