Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 2137
TLS Online TPP Program

#Question id: 2162

Uniport transport

#Unit 2. Cellular Organization

  1. in erythrocytes occurs at a higher rate for D-glucose than for L-glucose.

  2. is proportional at all glucose concentrations to the concentration of extracellular glucose.

  3. is the mechanism by which K+ is taken up by mammalian cells.

  4. is the mechanism by which the acidic pH of lysosomes is maintained

More Questions
TLS Online TPP Program

#Question id: 18007

#Unit 11. Evolution and Behavior

The following geological eras mark the advent of important events in the history of earth- origin of first vertebrates armored fishes, origin of First reptiles, origin of first dinosaurs;
a) Triassic b) Pennsylvanian
c) Ordovician d) Cambrian

Identify the correct match of the events with the geological era;
TLS Online TPP Program

#Question id: 387

#Unit 1. Molecules and their Interaction Relevant to Biology

For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.
TLS Online TPP Program

#Question id: 5039

#Unit 5. Developmental Biology

The process by which developing cells achieve their functional, mature identity as liver, or muscle, or nerve is called:
TLS Online TPP Program

#Question id: 3058

#Unit 2. Cellular Organization

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample
TLS Online TPP Program

#Question id: 3712

#Unit 3. Fundamental Processes

Approximately ________ base pairs are added per second during DNA in vivo replication in E.coli.