Developmental Biology quizzes
How a single cell becomes a body, and how cells specialize, communicate and organize into tissues and organs.
1 quiz
50 questions
Quizzes in this topic
Try a question
From Developmental Biology: How One Cell Builds a Body
What sweeps across an egg at fertilization and wakes it into development?
- A wave of rising heat
- A wave of calcium ions
- A wave of new DNA
Show the answer
Answer: A wave of calcium ions
Sperm entry triggers calcium release that spreads across the egg, starting the block to extra sperm and the cell cycle.
A few questions at a time, before your apps
BrainTok asks a few questions from quizzes like these before the apps you choose open, so your screen time turns into learning. For iPhone.
Join the beta