Practice Questions

TLS Online TPP Program

#Question id: 6964

If embryos are disaggregated with chemicals or proteases, and the individual cells are mixed together in culture, what will happen?

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

The cells will regulate to form one or more normal embryos
The cells will often sort themselves so that like cells are together
The cells will reaggregate to form a normal embryo capable of continuing development.
The cells will associate with one another randomly.

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TLS Online TPP Program

#Question id: 1125

#SCPH01 Biochemistry

Examples of G protein–coupled receptors include

a. rhodopsin receptor. b. β-adrenergic receptor.

c. insulin receptor. d. acetylcholine receptor.

TLS Online TPP Program

#Question id: 1125

#SCPH28 | Zoology

Examples of G protein–coupled receptors include

a. rhodopsin receptor. b. β-adrenergic receptor.

c. insulin receptor. d. acetylcholine receptor.

TLS Online TPP Program

#Question id: 1126

#SCPH01 Biochemistry

Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.

b. It binds GDP.

c. It binds GTP.

d. It is a transmembrane protein.

TLS Online TPP Program

#Question id: 1126

#SCPH28 | Zoology

Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.

b. It binds GDP.

c. It binds GTP.

d. It is a transmembrane protein.

TLS Online TPP Program

#Question id: 1127

#SCPH01 Biochemistry

Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?

TLS Online TPP Program

#Question id: 1127

#SCPH28 | Zoology

Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?