Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the liver and testes
For this to happen there must be direct communication between the extracellular matrix and the developing cells. Which kind of transmembrane protein would most likely be involved in this kind of induction? A) integrins
B) collagens
C) actins
D) fibronectins
A
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You are given a new animal species to study. You note that it possesses segmentation. Knowing only that it is segmented, which of these are segmented? Check all that apply.
_____ Cnidaria. _____ Arthropoda. _____ Chordata. _____ Annelida. _____ Platyhelminthes.
When glucose is broken down by glycolysis during bacterial fermentation, what is the usual net production of ATP?
A. 24 B. 3 C. 36 D. 2 E. 38
If the following are placed in the order of occurrence, which would be the third step?
a. diapedesis b. digestion c. formation of a phagosome d. formation of a phagolysosome
What happens when DNA polymerase replicating DNA encounters RNA polymerase transcribing DNA in the same direction?
What will be an ideal response?