Darwin used the phrase "descent with modification" to explain ________.

TLS Online TPP Program

#Question id: 31218

#Unit 4. Cell Communication and Cell Signaling

The effector proteases in the apoptotic pathway, the caspases, are so named because:

TLS Online TPP Program

#Question id: 1398

#Unit 4. Cell Communication and Cell Signaling

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 3781

#Unit 3. Fundamental Processes

Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus?

TLS Online TPP Program

#Question id: 3565

#Unit 8. Inheritance Biology

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 generation. The results were as follows: 6,022 yellow and 2,001 green. Which of the following statements correctly describes the relationship of the allele for green seeds to the allele for yellow seeds?

TLS Online TPP Program

#Question id: 31224

#Unit 4. Cell Communication and Cell Signaling

In the worm apoptotic pathway, CED-3 is similar to: