Practice Questions

TLS Online TPP Program

#Question id: 1357

How might anti-selectin antibodies act as anti-inflammatory drugs?

#Unit 4. Cell Communication and Cell Signaling

Anti-selectin antibodies prevent activated endothelial cells from expressing selectin.
Anti-selectin antibodies compete with carbohydrate ligands on neutrophil surfaces for selectin binding sites.
Anti-selectin antibodies prevent neutrophils from transiently binding vessel walls.
Anti-selectin antibodies prevent activated endothelial cells from producing platelet activating factor.

More Questions

TLS Online TPP Program

#Question id: 5559

#Unit 5. Developmental Biology

During fertilization, the acrosomal contents ________.

TLS Online TPP Program

#Question id: 32518

#Unit 1. Molecules and their Interaction Relevant to Biology

When the antibiotic valinomycin is added to actively respiring mitochondria

TLS Online TPP Program

#Question id: 8925

#Unit 9. Diversity of Life Forms

What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

3. deuterostomes

TLS Online TPP Program

#Question id: 7069

#Unit 5. Developmental Biology

Regeneration is:

TLS Online TPP Program

#Question id: 4582

#Unit 11. Evolution and Behavior

Fossils found in strata reveal that ________.