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Biology Chap 7 lesson 1-2

Across
Capture energy from sunlight and convert it to food.
Convert chemical energy stored in food into compounds that are more convenient for the cell to use
Small organelles filled with enzymes
Cells are surrounded by a thin flexible barrier
A fundamental concept of biology
Cells that do not enclose DNA in nuclei
Large, saclike, membrane-enclosed structure
Portion of the cell outside the nucleus
Organelles in animal cells formed by tubulins
"little organs"
Down
Basic unit of life
Network of protein filaments
Strong supporting layer around the membrane
Small particles of RNA and protein found throughout the cytoplasm in all cells
Large membrane enclosed structure that contains genetic material in the form of DNA
Cells that enclose their DNA in nuclei