An observation is something you saw happen whereas an inference is something you think will happen. You can guess that the water will fall through a static filled comb, but you observed the water moved away from the comb instead. (I saw this happen and I thought it was so cool)
Answer: Fluorescence microscope
Explanation:
The basic function of a fluorescence microscope is to irradiate the specimen with a desired and specific band of wavelengths. A fluorescence microscope uses a mercury or xenon lamp to produce ultraviolet light. The light comes into the microscope and hits a dichroic mirror. The dichroic mirror reflects the ultraviolet light up to the specimen. The ultraviolet light excites fluorescence within molecules in the specimen. The objective lens collects the fluorescent-wavelength light produced. This fluorescent light passes through the dichroic mirror and a barrier filter, making it to the eyepiece to form the image.
Since stomata are affected by [CO2] and water vapor content of the air, an environment with high water vapor content (water potential) and high CO2 levels will likely have the highest #of stomata. I.e. when plants have readily available water source and ample CO2 in order to maximize photosynthesis. As far as geographic environment I think it varies quite a bit and there are competing hypotheses from what I understand
Continuous microfluidic self-assembly of hybrid janus-like vesicular motors.
- Artificial micro/nanomachines have enormous applications in such as targeted drug delivery, [ 1 ] separation of biomolecules or cells, [ 2 ] surface patterning, [ 3 ] and environmental remediation
- Micro/nanomotor systems that have been investigated include multimetallic and dielectric particles, [ 6 ]bimetallic nanorods, [ 7 ] tubular catalytic microengines, [ 8 ] andcapsule motors
- In the past decade, microfl uidic technology has emerged as a powerful platform for a wide range of applications such as bioanalysis, [ 15 ] tissue engineering, [ 16 ] cellular biology, [ 17 ] and chemical synthesis/assembl
- Microfluidics offers several advantages over conventional batch reaction or assembly, such as continuous and automatic processing, precise control over synthetic conditions, and high reproducibility. [ 19 ] Microfluidic approaches have been used for the assembly of amphiphilic building blocks such as lipids, block copolymers (BCPs), and inorganic NPs into vesicular structures with superior controllability. [ 18a , 20 ] However, to date, there has been no report of continuous micro fluidic synthesis of nano- or micromotors.
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Explanation:
Russian-American biochemist Phoebus Levene (1869-1940), who had discovered ribose sugar in 1909 and deoxyribose sugar in 1929, suggested the structure of nucleic acid as a repeating tetramer. He called the phosphate - sugar - base unit a nucleotide.
