STK25

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/stk25

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific name?Serine/threonine-protein kinase 25
2. What is the gene locus?Encoded by the STK25 gene in humans
3. What is STK25 and why is it important in our bodies?STK25 is a tiny helper enzyme that adds a phosphate group to other proteins. It helps control growth, development, and many cell activities.
4. How does STK25 work inside our cells?STK25 grabs a phosphate from ATP and attaches it to specific spots on other proteins, turning them on or off. This switch helps cells decide what to do next.

Serine/threonine-protein kinase: A class of enzymes that phosphorylate serine or threonine residues on target proteins.
Phosphorylation: The enzymatic addition of a phosphate group to a molecule, often altering its function or activity.
Cell Signaling: The complex system of communication that governs basic cellular activities and coordinates cell actions.
Apoptosis: Programmed cell death, a tightly regulated process essential for development and tissue homeostasis.