Where in a eukaryotic cell do you think you would find each of the following proteins residing when it is actively performing its function. Be as specific as you can in terms of subcellular location.

Match the following with the correct subcellular location;

Column 1	Column 2
I) Polymerases	a) In the cytoplasm
II) Ribosomal proteins	b) Inside the plasma membrane.
III) DNA ligase	c) In the mitochondrial matrix
IV) protein that allows ions to pass in and out of the cell	d) In the nucleus of cells
V) Activator protein	e) Inside the nuclear membrane
VI) an enzyme in the Krebs/TCA cycle
VII) a protein that forms a channel through which mRNAs can be exported into the cytoplasm

TLS Online TPP Program

#Question id: 2271

#Unit 1. Molecules and their Interaction Relevant to Biology

Depolymerization of microtubules is inhibited by

TLS Online TPP Program

#Question id: 2290

#Unit 1. Molecules and their Interaction Relevant to Biology

The cytoskeleton includes all of the following except

TLS Online TPP Program

#Question id: 2585

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?

A. Tropomyosin shifts and unblocks the cross-bridge binding sites.

B. Calcium is released and binds to the troponin complex.

C. Transverse tubules depolarize the sarcoplasmic reticulum.

D. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP.

E. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane.

TLS Online TPP Program

#Question id: 32509

#Unit 1. Molecules and their Interaction Relevant to Biology

Inner mitochondrial membrane is highly impermeable and it has

TLS Online TPP Program

#Question id: 32510

#Unit 1. Molecules and their Interaction Relevant to Biology

Four protons per ATP are required as 

a. ADP uptake: 1 proton 

b. ATP synthesis: 3 protons

c. Pi uptake: 1 protons

d. ATP release: 3 Protons

Which of the above statements are correct

TLS Online TPP Program

#Question id: 32511

#Unit 1. Molecules and their Interaction Relevant to Biology

Oligomycin inhibits which of the following complexes