The sperm head contains a very little cytoplasm, an elongated haploid nucleus containing chromosomal material. The middle piece possesses numerous mitochondria (25 to 30 arranged spirally) which produce energy for the movement of the tail and that is why it is called a powerhouse of sperm. The ...
Explore the labelled diagram of animal cell along with the explanation. You can also refer to BYJU’S app for further reference
Finally, in order to promote the localization of the AuNPs at the cell nucleus, nuclear localization signal (NLS, GGVKRKKKPGGE) peptides were conjugated to the AuNPs by gener- ating a stable amide with PAH-polymer layer21–23. By this, a simple, universal synthesis method of SERS AuNPs ...
where the average in the denominator and numerator is performed over periodsTOFFandTONthat correspond to the 20-s period closer to the change of state of the NIR laser between OFF and ON, respectively. This construction is sketched in the inset of Fig.2a. In that same figure we show the ...