G11Sci-Chapter 38.2-38.3
Quiz by Rouba Jabbour
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25 questions
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- Q1What is the name of the vesicle at the tip of a sperm cell that contains enzymes that will help the sperm cell penetrate an egg cell it encounters?AmnionScrotumAcrosomeSertoli cell30s
- Q2Which of the following is the largest in size?mature sperm cellmature egg cellthey are all approximately the same sizepolar body30s
- Q3The lining or inner layer of the uterus is called thevaginaendometriumcervixlabia minora30s
- Q4In humans, fertilization of an egg normally takes place when the sperm and egg unite in the:uterusovaryfallopian tubevagina30s
- Q5Ectopic pregnancy is ______________a pregnancy that occurs outside of the uterine cavitya pregnancy that occurs after an egg cell is fertilized with 2 sperm cellsa pregnancy that occurs in the uterusa pregnancy that is terminated at early stage30s
- Q6Progesterone is produced by theoviductcorpus luteumpituitary glandhypothalamus30s
- Q7The egg can be fertilized until about _______ after ovulation.6 hours48 hours24 hours1 week30s
- Q8The placenta does all of the following except:Supplies blood to the fetusSupplies nutrients to the fetusSupplies oxygen to the fetusSecretes hormones30s
- Q9What connects the fetus to his mother's placenta?umbilical cordallantoisyolk sacchorionic villi30s
- Q10Pre-birth development follows this pattern:embryo --> fetus --> zygotezygote --> fetus --> embryoembryo --> zygote --> fetusfetus --> zygote --> embryo30s
- Q11A structure that holds the fetus in the uterus, protects it from shocks and maintain his temperature is _______ectodermchorionamniotic fluidamniotic sac30s
- Q12A cortical reaction is a reaction thatallows the egg cell to resume meiosis IIallows the sperm cell to penetrate the egg cellprevents polyspermyallows the digestion of egg membrane30s
- Q13Around 7 days of conception, the fertilized egg reaches the uterus and becomes ablastulamorulablastocystgastrula30s
- Q14What is the name of the process that allows sperm cells to become capable of fertilizing an egg cell?implantationcleavageacrosomal reactioncapacitation30s
- Q15The primary germ layers of a blastocyst listed from the outer layer to the inner one?ectoderm - mesoderm - endodermectoderm - endoderm - mesodermmesoderm - ectoderm - endodermendoderm - mesoderm - ectoderm30s