“What’s the powerhouse of the cell… Timmy?”
The mitochondria
They make the cell’s energy.Slide 4
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On a MacBook in a Biology lecture, the teacher asks “What’s the powerhouse of the cell… Timmy?”, and coldcall, open at the top of the screen, has the answer: the mitochondria, from slide 4. Its buttons below work: Help me answer, Catch me up and Ask.
“So where does the cell keep all its DNA?”
In the nucleus
It’s the cell’s control center.Slide 5
Now
The nucleus, the cell’s control center
Before that: mitochondria. Quiz on Friday.
They said “everything alive is made of cells”
Do plants have cells too?
A good one to ask out loud.24:58
Try it. Press a button in the notch.
After class
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- Full transcript, every word
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Study notes from what your professor actually said.
How it works
Whatever happens in class.
Class starts?
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What students say.
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“Discussion mode gave me two points to make, and I finally spoke up in my seminar.”
Boston University student
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“It suggested a question, I asked it out loud, and my professor said ‘great question.’”
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Where do you fall?
Pick one, and see how coldcall helps.
In class
“I get cold called.”
- The answer’s already upNo click required.
- The answer, and whyWith the slide it came from.
- “You got it”Goes green when you’re right.
In class
“I zone out.”
- Catch me upWhat you missed, in a line.
- Follows the slidesKeeps up as they change.
- Looks things up on the webWhen the lecture doesn’t say.
In class
“I never participate in class.”
Boost your participation grade.
- Questions to askGood ones, ready to say.
- Points to makeCrossed off once someone says them.
- Your take, readyWhen the question is for everyone.
After class
“My notes are a mess.”
- Notes, in the order taughtReady the moment class ends.
- In your teacher’s wordsEach slide, with exactly how it was explained.
- Search every wordEvery lecture, every class.
Before class · After class
“Exams sneak up on me.”
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- Check yourselfSee what stuck.
Works with
Canvas
Blackboard
ChatGPT
Claude
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Grok
Questions
- Other AI apps wait for you to type. coldcall is already listening, so the answer’s up the moment you need it.
- No. It’s streamed to be written down as class goes, and never saved. We keep the words and who spoke when.
- Yes. From Canvas, Blackboard or any file.
- For seminars and discussion classes. It answers questions asked to the room and gives you points to make.
- Yes, in the app under Settings › Account, or by writing to us. Your plan lasts until the month you paid for ends.
Live help in every lecture.
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