Which of the following statements is false?
(a) mutations in the kit receptor are seen in familial cancer syndromes
(b) cytoskeleton-associated proteins are ligands for integrins
(c) src is a tyrosine kinase
(d) in the jak-stat pathway, ligand binding promotes phosphorylation, dimerization and nuclear translocation of transcription activators
(e) in normal cells, rtk dimerization and autophosphorylation (transphosphorylation) are dependent on ligand binding.

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Abnormal softening of a gland is known as

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis