Complex molecules in the interstellar medium are found:
A) uniformly throughout the disk of the Galaxy.
B) scattered evenly throughout the universe, a product of the Big Bang itself.
C) only around the supergiant stars like Betelguese that make their heavy atoms.
D) primarily in the dense dust clouds.
E) on the surfaces of the coolest class K and M stars only.
Question 2
Various observations suggest there may be recent or even continuing volcanic activity on Venus. Which of the following has NOT been observed?
A) bursts of radio energy, similar to those produced by lightning discharges occurring in the plumes of erupting volcanoes on Earth
B) spacecraft detection over a period of days of flowing lava on Venus
C) fluctuations in the level of sulfur dioxide in the planet's atmosphere
D) surface features resembling rift valleys on Earth
E) larger shield volcanoes than Hawaii
Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Atlatl mammoth ivory "creeping hyena", found in La Madeleine rock shelter, dated back to c
Bony processes found on the femur.
Model of the GABA Receptor–Chloride Channel Molecules in Relationship to Antiseizure Pharmacotherapy
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
Important Bonds in Biological Molecules