A ________ is a hollow tubelike structure that surrounds a chain of cells.
Fill in the blank(s) with the appropriate word(s).
sheath
You might also like to view...
A biology student is studying ground squirrels in a local park. She has captured, measured, and released many ground squirrels from an upland, rocky, wooded area, and many similar ground squirrels from a shrub area in soft soil near a stream. She is measuring skull dimensions, leg and claw lengths and shapes, and other traits of the ground squirrels from each collection area. She is involved in
A. phylogenetics. B. genetics and inheritance. C. speciation. D. All of the answer choices are correct. E. taxonomy.
You discover a new species of protist. Which of the following characteristics would provide the strongest evidence for your hypothesis that your species belongs in Euglenida?
A) It is photosynthetic. B) It contains the carbohydrate paramylon. C) It reproduces asexually. D) It is unicellular. E) It lacks a cell wall.
Which of the following antibodies is (are) involved in opsonization?
A. IgG1 B. IgD C. IgG3 D. Only IgG1 and IgG3
A typical cell in your body uses only about 10 percent of its genes at one time. Why are only a small amount of genes expressed in any given cell?
What will be an ideal response?