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TLS Online TPP Program

#Question id: 11010

Which of the following best explains how sympathetic stimulation affects the heart?

#XL - T Zoology
  1. Permeability of the S-A node to sodium decreases
  2. Permeability of the A-V node to sodium decreases
  3. Permeability of the S-A node to potassium increases
  4. There is an increased rate of upward drift of the resting membrane potential of the S-A node
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TLS Online TPP Program

#Question id: 184

#XL - T Zoology

What is the approximate charge difference between glutamic acid and alpha-ketoglutarate at pH 9.5?
TLS Online TPP Program

#Question id: 185

#XL - T Zoology

Match the amino acids with their correct functional group:

1. Indole

i. Histidine

2. Imidazole

ii. Tryptophan

3. Thiol

iii. Cysteine

4. Pyrrolidine

iv. Proline


TLS Online TPP Program

#Question id: 186

#XL - T Zoology

What will be the net charge on given peptide at pH 5?
TLS Online TPP Program

#Question id: 186

#XL - P Chemistry

What will be the net charge on given peptide at pH 5?
TLS Online TPP Program

#Question id: 189

#XL - T Zoology

Because coenzymes are specific for the chemical groups that they accept and donate, they are referred to as
TLS Online TPP Program

#Question id: 190

#XL - T Zoology

Ca++ or Mg++ are most likely to be part of ________, while Zn++ or Fe++ are present in ________.