What is a feature of woody stems (in temperate regions) but not of herbaceous stems?
A. Bud scale scars.
B. Internodes.
C. Nodes.
D. Axillary buds.
E. Shoot tip.
A. Bud scale scars.
Biology & Microbiology
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Glucose and fructose both have the chemical formula (C6H12O6) so they are considered
A) isotopes. B) polymers. C) monomers. D) isomers. E) isogenic.
Biology & Microbiology
Solutes move from a ____concentration to a ____ concentration during active transport.
a. high; low b. low; high c. high; equilibrium d. low; equilibrium
Biology & Microbiology
How does a heterotrophic animal obtain energy?
a. by ingesting living or dead organic matter b. by digesting food externally c. by making its own nutrients d. by engaging in photosynthesis
Biology & Microbiology
Each carbon atom can share pairs of electrons with as many as ____ other atoms
a. two b. three c. four d. five e. six
Biology & Microbiology