Examlex
What mass of MgCl2 in grams must be added to 250.0 mL of a 0.25 M MgCl2 solution to produce a 0.40 M solution,assuming no change of volume upon addition?
Fimbria
Short, hair-like structures on the surface of a cell, particularly bacteria, used for attachment to surfaces or other cells.
Transferring DNA
The process of moving DNA from one organism to another, often used in genetic engineering and biotechnology techniques.
Peptidoglycan
A polymer consisting of sugars and amino acids that forms a mesh-like layer outside the plasma membrane of most bacteria, providing structural support and giving the bacterial cell wall its rigidity.
Chlorophyll
A vital photosynthetic green pigment present in the chloroplasts of plants, algae, and certain bacteria.
Q3: Which of the following is a chemical
Q11: From ammonia gas,one can obtain two different
Q60: The average atomic mass of B is
Q93: Choose the INCORRECT statement.<br>A)Gamma rays are bent
Q95: Gases tend to behave ideally at:<br>A)low temperature
Q100: What is the sum of the coefficients
Q103: What is the energy in joules of
Q116: What is the energy in joules of
Q135: A chemical equation is a shorthand way
Q170: 52.5 mL of a solution were diluted