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Author Question: How many days after fertilization does the zygote become a ball of cells? (Read 72 times)

tuffie

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on: Jan 6, 2021

Question 1

hCG stimulates which structure to secrete estrogen and progesterone?
◦ the zona pellucida
◦ the corona radiata
◦ the corpus luteum
◦ the ovum
◦ the placenta

Question 2

How many days after fertilization does the zygote become a ball of cells?
◦ five days
◦ four days
◦ one to two days
◦ six to eight days
◦ it depends on the age of the mother
Human Biology ¦ Starr, McMillan ¦ 10th Edition
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Marked as best answer by tuffie on Jan 6, 2021

diana chang

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Reply #1 on: Jan 6, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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tuffie

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Reply 2 on: Jan 6, 2021
Gracias!

ryhom

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Reply 3 on: Yesterday
Wow, this really help

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