A biologist isolates numerous tiny, green-pigmented cells from a sample of lake water.

Question

kohai · Answer

The cells are covered with a mucilaginous sheath. They contain relatively large amounts of chlorophyll a and phycobilun pigments and lack a compact, organized nucleus. Electron microscopy will reveal that these cells also contain which of the following pairs of subcellular structures?

kohai · Answer

-Lysomes and chloroplasts 
-Ribosomes and mitochondria 
-Golgi bodies and a glyoxysomes 
-DNA without histones and a cell wall