Bone-forming cells are known as
A) osteoclasts. B) osteoblasts. C) chondrocytes. D) osteocytes.
B
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You discover a fungus that only makes sexual spores (no asexual spores). The spores are made in groups of four on
the tips of club-shaped structures. Into which group should you classify this fungus?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
The sugars that honeybees feed on are what type of macromolecules?
a. lipids b. carbohydrates c. proteins d. nucleic acids
Which of the following is false about plant
hormones? a. They bind to receptors on target cells. b. Their mechanism of action is completely different from that of animal hormones. c. Signal transduction may influence a metabolic pathway. d. The plant response may depend on a change in gene expression. e. Signal transduction may involve shape change by a receptor.
Which type of RNA carries the code from the DNA to the site where the protein is assembled?
a. messenger RNA b. nuclear RNA c. ribosomal RNA d. transfer RNA e. structural RNA