Linen is woven from strands of sclerenchyma ________ that occur in the phloem of flax (Linum spp.).
A. tracheid
B. sclerid
C. fiber
D. collenchyma
E. sieve
Answer: C
You might also like to view...
Which of the following lists cell types in order from those capable of differentiating into the greatest number of different specialized cells to those capable of differentiating into the least number of different specialized cells?
A. multipotent, pluripotent, totipotent B. pluripotent, totipotent, multipotent C. totipotent, multipotent, pluripotent D. totipotent, pluripotent, multipotent E. multipotent, totipotent, pluripotent
what mineral deficiency can lead to irregular heart beat, paralysis, death
What will be an ideal response?
The hereditary material present in all cells is
A) protein. B) RNA. C) R-strain. D) DNA. E) S-strain.
In the laboratory, fruit flies (Drosophila) were artificially selected for the number of bristles on their bodies. One population (R) was selected for low numbers of bristles, a second population (S) for high numbers of bristles.
After 35 generations (about 1 year's time), the two populations R and S were studied. Researchers found
A. a huge increase in S, a huge decrease in R, with no overlap whatsoever. B. no change was seen; it's much too soon. C. a vast, overlapping range of bristle numbers was seen. D. a slight increase in bristles in S, a slight decrease in R, with a little overlap in the middle ranges. E. some slight increase of bristle numbers was already evident.