The movement of water through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration is called ________.
a) solubility
b) osmosis
c) metabolism
d) denaturation
e) diffusion
Ans: b) osmosis
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The photosynthetic activity of cyanobacteria takes place in their:
A. thylakoids B. mitochondria C. pili D. gas vesicles E. magnetosomes
The rough periwinkles protect exposure of eggs by
a. producing planktonic eggs inside jelly coats. b. attaching gelatinous egg masses to large algae. c. retaining the eggs in the mantle cavity. d. providing a protective membrane around the eggs. e. dispersing them into the water column.
Epigenetic modifications affect the nucleotide sequence of the DNA
a. True b. False
During meiosis, which pair of genes have the best chance of being transferred together to a new cell
A. Black body and purple eyes B. Purple eyes and speck body C. Dumpy wings and purple eyes D. Dumpy wings and speck body