Which two characteristics describe all organisms in the domain Eukarya? O A. Their cells are eukaryotic.
B. Their cell walls lack peptidoglycan.
C. Their cells are prokaryotic.
D. Their cell walls have peptidoglycan.
SUBMIT

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle