Stacy is studying the structure of plant cell walls. Thus, she is studying __________
a. a carbohydrate
b. a protein
c. glucose molecules
d. both a carbohydrate and glucose molecules
D
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Most of the dry mass of a plant is derived from _____
A) NO3- and CO2 B) K+ and CO2 C) PO4 and K+ D) H2O and K+ E) H2O and CO2
The parts of a flower most likely to have distinctive colors, patterning, and shapes for attracting
pollinators are the
a. petals. b. carpels. c. stamens. d. receptacles. e. sepals.
The most successful phylum in regards to diversity and number of species is
A. Nematoda. B. Mollusca. C. Platyhelminthes. D. Echinodermata. E. Arthropoda.
Hemopoiesis is the
A) Migration of white blood cells from the blood out to the tissues. B) Production of white blood cells, red blood cells, and platelets. C) Loss of blood due to hemorrhaging D) Plugging of broken vessels to stop bleeding. E) Production of only red blood cells.