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Finals Review: Biology Per 1

Across
Main job of DNA is to make ___
3 elements common to biological molecules
Carbon dioxide + water --> sugar + oxygen
Simple cell with no nucleus
Example of positive feedback (another name for breastfeeding)
Double helix with bases C,G,A,T
Organelle in both prokaryotes and eukaryotes
Building block of DNA and RNA
Down
Energy captured from the sun is used to make __
Type of feedback that maintains conditions within a range or set point
Organelle that converts sunlight into chemical energy through photosynthesis
Gas removed from the air by photosynthesis
Process that breaks down sugar into ATP
3 nucleotides
Type of feedback that maintains body temperature