1 - Protons flow easily through the nanochannel ………….. they are so small, but the researchers observed that other positively charged ions, such as sodium A) because B) although C) whereas D) when E) once 2 - Protons ………also …………… but only if enough electric field …………. A) will………get through / applies B) gets………through / applies C) could……get through / applied D) can……..get through / [...]
Yorumlar
1 - Human pluripotent stem (hPS) cells can generate any given cell type in the adult human body, ………………. is why they are of interest to stem cell scientists working on finding therapies for spinal cord injuries, Parkinson’s disease, burns, heart disease, diabetes, arthritis, and other ailments. A) who B) whom C) which D) that E) what 2 - When the [...]
1 - Dutch biologist Gerard Jagers op Akkerhuis has developed the ‘operator hierarchy’ — a system based on the complexity of particles and of organisms, ……… can predict the next step in evolution: a technical life form, that can pass on its knowledge and experience to the next generation. A) which B) who C) whom D) whose E) of which 2 [...]
1 - T cells, an immune cell found within epithelial tissues, ………… unique and critical roles in recognition of damage or disease in epithelial tissues,” A) is playing B) play C) will play D) played E) has been playing 2 - It is expected that the iceberg ………soon…….. fully in Nares Strait, but its course depends on winds blowing off the [...]
