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JohanaT16 JohanaT16
wrote...
Posts: 519
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6 years ago
Before gastrulation, the future destiny of cell lineages is largely established by ____.
 
  a. the genotype
  b. the portion of egg cytoplasm
  c. surface recognition factors on the plasma membrane
  d. the number and type of organelles
  e. the sperm cytoplasm

Question 2

What prevents soil water from diffusing through endodermal cell walls?
 
  a. the primary xylem forms a border around the endoderm
  b. endodermal cell tight junctions
  c. endodermal cell wall transport proteins
  d. the Casparian strip
  e. a cuticle
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Replies
wrote...
6 years ago
Answer to q. 1

b

Answer to q. 2

d
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