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1st Semester Biology Review

Across
Testable explanation for an observation
Organelle that performs photosynthesis
Haploid cell
Energy molecule of the cell
Division of the cytoplasm
Division of the cell nucleus
Organelle that produces ATP
Basic unit of life
Single celled organism with no nucleus
Having a full set of chromosomes, two copies of each
Organelle that stores water, food, and waste
Property of water that causes it to stick to itself
Organism made of complex cells with a nucleus
Down
Main component of the cell membrane
Polymer made of nucleotides
Green pigment in plants
Diffusion of water through a membrane
First step in cellular respiration
Protein catalyst
Structure on the ER that makes proteins
Variable controlled by the researcher
Stage of mitosis where chromosomes line up at the equator
Molecule made of amino acids
Study of life