Lec 1-3 Kahoot Flashcards

1
Q

The basic structure of an amino acid in the stomach would have a __________ charge.

A

positive

the basic structure of an amino acid in the STOMACH would have a positive charge

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2
Q

Activation of which of these ion channels enables the threshold to be reached for action potential to be geneated

A

Nicotinic Acetylcholine Receptors

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3
Q

Which of the following protein structures involves interactions between R groups

A

3D tertiary structures

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4
Q

______________ amino acids are likely found on the exterior surface of cytosolic proteins

A

Hydrophilic (water loving)

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5
Q

___________ amino acids cannot form ionic-ionic charge interactions with each other

A

Hydrophobic (water hating)

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6
Q

Which of the following has the highest bond strength of all weak, reversible, electrostatic forces?

A

Ionic charge-charge interactions

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7
Q

TRUE OR FALSE:

An antagonist for a potassium channel would cause the cell to become more negative

A

FALSE

more positive

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8
Q

How many subunits make up a G-Protein?

A

3

3 subunits make up a G-Protein

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9
Q

Which of the following ions moves out of the cell in a resting neuronal cell?

A

potassium

potassium ions move out of the cell in a resting neuronal cell

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10
Q

Which of the following types of receptor regulation results in a reduction of the number of membrane receptors?

A

downregulation
-results in less receptors available for agonist activation

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11
Q

Which of the following parts helps open a voltage-gated ion channel but not a ligand-gated ion channel?

A

voltage sensor

voltage sensor only helps open a voltage-gated ion channel

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12
Q

Which of the following are sections of a nuclear receptor, such as the estrogen receptor?

A

DNA-binding domain

Ligand-binding domain

other interacts with other transcription factors

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13
Q

Out of the following receptors that regulate DNA transcription, which one interacts directly with the DNA itself?

A

nuclear receptor

nuclear receptors directly bind to DNA

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14
Q

Which of the following receptors does not signal through phosphorylation of effector proteins?

A

Receptor Tyrosine Phosphatase

Key word: phosphatase means REMOVING phosphate group therefore, RTP does not signal through phosphorylation of effector proteins

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15
Q
A
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