TLS Online TPP Program

#Question id: 4131


Aminoacyl-tRNA synthetases (amino acid activating enzymes):

#SCPH28 | Zoology
  1. “recognize” specific tRNA molecules and specific amino acids.

  2. in conjunction with another enzyme attach the amino acid to the tRNA.

  3. interact directly with free ribosomes.

  4. occur in multiple forms for each amino acid.

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TLS Online TPP Program

#Question id: 11024

#I Life Science/ Life Sciences Group – I-V

A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?

TLS Online TPP Program

#Question id: 11025

#I Life Science/ Life Sciences Group – I-V

Listed below are the hydrostatic and oncotic pressures within a microcirculatory bed:

Plasma colloid osmotic pressure = 25 mm Hg

Capillary hydrostatic pressure = 25 mm Hg

Venous hydrostatic pressure = 5 mm Hg

Arterial pressure = 80 mm Hg

Interstitial fluid hydrostatic pressure = −5 mm Hg

Interstitial colloid osmotic pressure = 10 mm Hg

Capillary filtration coefficient = 10 ml/min/mm Hg

What is the rate of net fluid movement across the capillary wall?

TLS Online TPP Program

#Question id: 11026

#I Life Science/ Life Sciences Group – I-V

Listed below are the hydrostatic and oncotic pressures and filtration rate across a muscle capillary wall:

Capillary hydrostatic pressure (Pc) = 25 mm Hg

Plasma colloid osmotic pressure (Πp) = 25 mm Hg

Interstitial colloid osmotic pressure (ΠI) = 10 mm Hg

Interstitial hydrostatic pressure (PI) = −5 mm Hg

Capillary filtration rate = 150 ml/min

What is the capillary filtration coefficient?

TLS Online TPP Program

#Question id: 11027

#I Life Science/ Life Sciences Group – I-V

Which of the following is the correct sequence of blood flow in birds and mammals?

TLS Online TPP Program

#Question id: 11059

#I Life Science/ Life Sciences Group – I-V

A healthy, 45-year-old man is reading the newspaper. Which of the following muscles are used for quiet breathing?

TLS Online TPP Program

#Question id: 11059

#SCPH28 | Zoology

A healthy, 45-year-old man is reading the newspaper. Which of the following muscles are used for quiet breathing?