TLS Online TPP Program

#Question id: 11142


A researcher uses the chemical inhibitor cyanide to reduce ATP production in a neuron. What would be one effect of preventing ATP production?

#Unit 7. System Physiology – Animal
  1. The sodium and potassium channels would all be closed.
  2. The membrane would become more permeable to sodium.
  3. Disruption to the normal "resting" distribution of potassium and sodium ions.
  4. A physical breakdown of the plasma membrane would occur.
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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: 18008

#Unit 7. System Physiology – Animal

The perception of a stressor triggers this area of the brain to initiate the stress response.

TLS Online TPP Program

#Question id: 18009

#Unit 7. System Physiology – Animal

Fleeing from or confronting a threat is known as ______.

TLS Online TPP Program

#Question id: 18013

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get At least one correct answer.

TLS Online TPP Program

#Question id: 18014

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get Atmost three correct answers

TLS Online TPP Program

#Question id: 18072

#Unit 11. Evolution and Behavior

First invertebrates insects fossil appeared in which of the following geological ages?
a) Mesozoic b) Jurassic
c) Paleozoic d) Devonian
e) Permian f) Pennsylvanian
Which of the following combinations give the best answer?