Which of the following statements correctly describe(s) actin?

a. Actin is a highly conserved protein.

b. Multiple actin genes may be found in higher eukaryotes.

c. Actin is the most abundant protein in a eukaryotic cell.

d. Individual actin filaments can be observed by electron microscopy.

e. One end of an actin filament is different from the other. 

TLS Online TPP Program

#Question id: 28920

#Unit 4. Cell Communication and Cell Signaling

Which of the following is a correct prediction about processing and secretion of Hedgehog protein ?

a) the freed N-terminal is not involved in signaling and is often degraded

b) the freed C-terminal is not involved in signaling and is often degraded

c) the N-terminal becomes the active Hedgehog protein intended for secretion

d) the C-terminal becomes the active Hedgehog protein intended for secretion

TLS Online TPP Program

#Question id: 19719

#Unit 3. Fundamental Processes

Telomeres cluster on the nuclear envelope just prior to homologous chromosome synapsis during meiosis, this clustering known as “bouquet” stage of meiosis, this bouquet can be visualized by using

TLS Online TPP Program

#Question id: 1664

#Unit 4. Cell Communication and Cell Signaling

A given Ig isotype is:

TLS Online TPP Program

#Question id: 19197

#Unit 12. Applied Biology

What are calorimetric biosensors?

TLS Online TPP Program

#Question id: 4357

#Unit 3. Fundamental Processes

Which of the following processes would allow the detection of alternative splicing of transcripts from a given gene?