Describe the positioning of heartwood versus sapwood

What will be an ideal response?


The vascular cambium always produces new xylem (sapwood) to the outside of the older xylem (heartwood). Heartwood is older nonfunctional xylem and will always be located toward the inside of a stem and newer xylem (sapwood) toward the outside.

Biology & Microbiology

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Toadstools are good examples of ________.

A. ascomycetes B. basidiomycetes C. zygomycetes D. yeasts

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In which phase of mitosis do chromosomes arrive at opposite sides of the cell?

a. anaphase b. prophase c. metaphase d. telophase e. interphase

Biology & Microbiology

Based on composition similarities, actin can be divided into two major groups: the muscle-specific actins (________-actin) and nonmuscle actins (________- and ________-actin)

Fill in the blank with correct word.

Biology & Microbiology

Chemicals detected by the nose must

A) stimulate the cones. B) cause bending of hair cells in the upper nasal cavity. C) dissolve in mucus in the nasal cavity. D) bind to taste buds. E) first enter the mouth.

Biology & Microbiology