The ____ is the cluster of cells in the center of the zygote that will eventually develop into the baby.
a. Amnion
b. stem cell
c. germ disc
d. placenta
Question 2
Which statement concerning the timing of puberty in males and females is true?
a. The onset of menarche in females typically occurs a few years prior to the typical onset of spermarche in males.
b. The onset of menarche in females typically occurs a few years after to the typical onset of spermarche in males.
c. The onset of menarche in females typically occurs around the same time as the onset of spermarche in males.
d. The onset of menarche in females typically occurs almost a decade after the typical onset of spermarche in males.
Segregation of B cells and T cells in a lymph node
Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and
Zygote is diploid after fertilization
Interaction of RF2 with a UGA stop codon in the decoding center
Over time, cells acquire mutations. Two independently acquired mutations in the same cell may be suf
Cytoplasmic Division in Plant Cells