Principles of Human Anatomy Study Set 1
Quiz 4 :
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Q03 Q03 Q03
Place the following in the correct order: 1. aided by enzymes on their surface, sperm penetrate the cells of the corona radiata 2) acrosomal reactions are triggered when sperm bind to receptors in the zona pellucida 3) syngamy occurs when a sperm cell binds to receptors on the oocyte's plasma membrane 4) acrosomal enzymes from many sperm digest through the zona pellucida 5) zygote is formed
Q85 Q85 Q85
In a human developmental biology class, you observe a fetus that has most of the organ systems formed. However, not all of the systems are functional yet. The fetus also has some distinct human features. This fetus is most likely in which trimester of development? a) first trimester b) second trimester c) third trimester d) fourth trimester