The hormone oxytocin is controlled by a(n) ____________________ feedback loop during the birthing process
Fill in the blank(s) with correct word
positive
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One way in which gametogenesis differs between the two sexes is that in spermatogenesis,
A) The mature gametes lack mobility. B) Four viable haploid gametes are produced from one germ cell. C) Chromosome number is halved only after the second meiotic division. D) The germ cells are diploid.
What procedure is used to obtain embryonic or fetal chromosomes for karyotyping?
A. Amniocentesis B. Chorionic villi sampling (CVS) C. Ultrasonography D. Both chorionic villi sampling (CVS) and amniocentesis are used
A cell can meet increased energy demands by an increase in
A. the number of mitochondria. B. nuclear DNA activity. C. its overall size so it has more room to generate energy. D. ribosomal subunits. E. lysosomal enzyme and ribosome activity within the cell.
Which of the following joints is most movable?
A. Suture B. Syndesmosis C. Synchondrosis D. Symphysis E. Synovial