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TLS Online TPP Program

#Question id: 1297

What effect might an injection of RGD peptide have on tumor cells moving through the blood/lymph system?

#4. Cell Communication and Cell Signaling

  1. block cell attachment to new tissue and therefore prevent metastasis

  2. encourage clumping of cancer cells for removal by the immune system

  3. promote tumor cell binding to platelets and potentially lead to a fatal clot

  4. block integrin-mediated cell cycle progression

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TLS Online TPP Program

#Question id: 6948

#5. Developmental Biology

Which of the following genes is expressed at the posterior margin of each parasegment
TLS Online TPP Program

#Question id: 6950

#5. Developmental Biology

In mammalian development, the embryo will form from which population of cells?
TLS Online TPP Program

#Question id: 6951

#5. Developmental Biology

In chick development, the cell movement during gastrulation is called:
TLS Online TPP Program

#Question id: 6952

#5. Developmental Biology

Which technique is commonly used for gene knock-out in mice?
TLS Online TPP Program

#Question id: 6953

#5. Developmental Biology

Maternal factors are:
TLS Online TPP Program

#Question id: 6954

#5. Developmental Biology

Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called: