When water moves from soil into the vascular tissues inside the root, it can take three possible pathways. Of these, the apoplastic route is _____.
a. through plasmodesmata
b. through aquaporins on the plasma membrane
c. between cells and through cell walls
d. by active diffusion across the plasma membrane
Answer: c. between cells and through cell walls
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Proteins with ______________ bind to acetylated Lys residues on the histone tail, recruiting other histone modifying complexes and spreading the pattern of acetylation to nearby histones
Fill in the blanks with correct word
Phenylacetic acid is added to the penicillin fermentation to allow incorporation of which side chain group?
A. Methyl B. Acetyl C. Benzyl D. Propyl
Plants lose water primarily
a. by passing it out of the stomata. b. by evaporation from the surface of the epidermis. c. by evaporation from the cuticle. d. by loss to the phloem. e. by translocation.
Which of the following examples is incorrectly paired?
a. schooling fish?aggregated distribution b. nesting seabirds?random dispersion c. grove of aspen?clumped dispersion d. flour beetle larvae?random dispersion e. adult sand pine?uniform dispersion