Indicate whether each of the following descriptions better applies to connective (C) or epithelial (E) tissues. Your answer would be a four-letter string composed of letters C and E only, e.g. EEEE.
( ) Cells are usually distributed sparsely in the extracellular matrix.
( ) Gap junctions are rarely found.
( ) Direct cell-cell attachments are common.
( ) Cells are tightly associated into sheets.