QUESTION IMAGE
Question
lov 1 - matching
match each term with the correct description:
dna gene protein
a. controls cell behavior
b. instructions for making
c. a section of dna
day 1 - short answer
- how do dna and proteins work together in a cell?
- why is it important that proteins are made correctly?
day 2 - cell cycle & checkpoints
- what is the main job of the cell cycle?
a. make mutations
b. destroy cells
c. control cell growth and division
d. store dna
- when does dna get checked before division?
a. after mitosis
b. at checkpoints
c. during apoptosis
d. in the cytoplasm
- what is a checkpoint?
a. a mutation
b. a protein
c. a control point that checks dna
d. a chromosome
Response
Day 1 - Matching
Brief Explanations
- DNA contains all genetic instructions for cell function and protein synthesis, so it controls cell behavior.
- A gene is a specific section of DNA that codes for a protein.
- Proteins are the molecules built using the instructions encoded in genes.
Brief Explanations
- DNA holds the genetic code (genes) that act as blueprints for proteins. Through transcription (DNA → mRNA) and translation (mRNA → protein), DNA's instructions are used to build proteins, which carry out most cellular functions.
- Proteins perform nearly all critical cellular tasks: structural support, enzymatic reactions, cell signaling, and DNA repair. Incorrectly made proteins lose their function, leading to errors in cell processes, disease, or cell death.
Brief Explanations
- Cell cycle checkpoints are regulatory stops that verify cell readiness (e.g., undamaged DNA, proper replication) before advancing to the next phase, preventing damaged cells from dividing.
- DNA is checked for damage and completeness at key regulatory points during the cell cycle to ensure only healthy cells divide.
- A checkpoint is a control mechanism that assesses cell state before allowing cycle progression.
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- DNA: A. Controls cell behavior
- Gene: C. A section of DNA
- Protein: B. Instructions for protein (corrected intent: the product made from gene instructions)
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