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?

#Unit 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: 10271

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a black male whose father is gray . If this female has a litter of 5 kittens, what is the probability that three will be black?

TLS Online TPP Program

#Question id: 10270

#Unit 8. Inheritance Biology

Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 tall to dwarf ratio in the offspring. What is the probability that out of three plants (of F2 generation) picked up at random all three would be dwarf?

TLS Online TPP Program

#Question id: 10269

#Unit 8. Inheritance Biology

If the probability of being blood-type A is 1/8 and the probability of being blood-type O is 1/2, what is the probability of being either blood-type A or blood-type O?

TLS Online TPP Program

#Question id: 10268

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a gray male. If this female has a litter of six kittens, what is the probability that three will be black?

TLS Online TPP Program

#Question id: 10267

#Unit 8. Inheritance Biology

Exceptions of law of dominance are

a. Incomplete dominance

b. Codominance

c. Nondisjunction

d. Linkage

TLS Online TPP Program

#Question id: 10266

#Unit 8. Inheritance Biology

Self-pollination is the transfer of pollen from the anther of a flower to the stigma: