Question

active transport ______ energy. *
requires
does not require
______ is the movement of water across a cell membrane. *
diffusion
osmosis
active transport
photosynthesis occurs in the ______ of a cell. *
chloroplast
mitochondria
cytoplasm
nucleus

Explanation:

1. Active transport moves substances against a concentration gradient, which needs energy (usually ATP).
2. Osmosis is specifically the movement of water across a semi - permeable membrane (like a cell membrane).
3. Chloroplasts contain chlorophyll and are the sites where photosynthesis (converting light energy into chemical energy) occurs in plant cells.

Answer:

1. requires
2. osmosis
3. chloroplast