Linen is woven from strands of sclerenchyma _______ that occur in the phloem of flax (Linum spp.).
A. tracheid
B. sieve
C. sclerid
D. collenchyma
E. fiber
E. fiber
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In a eudicot seed, which structure emerges
first?
a. embryonic shoot b. embryonic root c. coleoptile d. cotyledons e. the embryonic root and shoot emerge at the same time
Which protein has been implicated in the development of Alzheimer's disease?
a. apolipoprotein A b. apolipoprotein M c. apolipoprotein G d. apolipoprotein B e. apolipoprotein E
Which of the following functions is not associated with the presence of feathers in birds?
a. temperature regulation b. minimization of water loss c. respiration d. flight e. protection
Dengue fever can be controlled by
a. eliminating the mosquito vector. b. vaccination. c. eliminating the rodent vector. d. eliminating contact with the rodent vector.