★ Embryology Quiz
Decussate microspore tetrad is
A. All the four spores are in one plane and remain at right angles to one another
B. Out of the two lower spores, only one is visible
C. Four haploid microspores arranged in tetrahedral form
D. All the four spores are present one above the other in a linear manner
Select your answer:
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Neuroanatomy › ViewWhich brain structures are primarily involved in motor adjustment?
A. Cerebellum and basal nuclei
B. Prefrontal cortex and cerebellum
C. Thalamus and hypothalamus
D. Amygdala and brainstem
Disease & Immunity › View
Doctors sometimes use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain
A. antibodies
B. antibiotics
C. white blood cells
D. weakened pathogens