Biology, 24.09.2021 19:00, shakira11harvey6
One of the major differences between the first and second line of defense is that
a. the first line defenses are anatomical barriers whereas the second line defenses are mechanisms.
b. the first line defenses involve complement proteins whereas the second line defenses involve antibodies.
c. the first line defenses involve the respiratory tract whereas the second line defenses involve the gastrointestinal tract.
d. the first line defenses are mechanisms whereas the second line defenses are physical barriers to infection.
Answers: 2
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Which macromolecules are polymers made of nucleotides (a) fatty acids (b) nucleic acids (c) carboxylic acids (d) amino acides
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Biology, 22.06.2019 01:50, AdoNice
Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?
Answers: 1
Biology, 22.06.2019 11:00, DuckieTime
If a grape were placed in a hypertonic solution what would happen and why?
Answers: 1
One of the major differences between the first and second line of defense is that
a. the first lin...
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