Some given characteristics of the two types of sieve elements in seed plants such as Sieve tube elements and Sieve cells. Find out the  true characteristics of sieve tube elements from the given statements;

i) Found in angiosperms

ii) Sieve plate pores are open channels

iii) Albuminous cells sometimes function as companion cells

iv) P-protein is present in all eudicots and many monocots

v) There are no sieve plates; all sieve areas are similar

TLS Online TPP Program

#Question id: 23839

#Unit 2. Cellular Organization

Which of the following myosin molecule have 2 heads, but does not assemble into filaments?

TLS Online TPP Program

#Question id: 23840

#Unit 2. Cellular Organization

The length of the myosin II neck domain determines the

TLS Online TPP Program

#Question id: 23841

#Unit 2. Cellular Organization

Which step of myosin movement along the actin filament is performed in the absence of ATP?

TLS Online TPP Program

#Question id: 23842

#Unit 2. Cellular Organization

Which actions requires energy from ATP hydrolysis ?

TLS Online TPP Program

#Question id: 23843

#Unit 2. Cellular Organization

Thick-filament regulation is,

TLS Online TPP Program

#Question id: 23844

#Unit 2. Cellular Organization

Thin-filament regulation is,