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While the entirety of an atom’s nucleus contains neutrons, protons, and electrons, only the neutrons and protons are found inside of the nucleus. Electrons exist as a cloud surrounding the nucleus and thus are not found inside it.
The addition of a catalyst to a chemical reaction will have what effect?
Increase the rate at which the reaction takes place.
Which of the following descriptions is CORRECT?
Gas: no definite volume and no definite shape.
If you have 200 mL of a 60% sodium chloride solution, how much NaCl is dissolved in the solution?
Which of the following terms do these diagrams NOT portray?
As air is inhaled, the sequence in which it passes through the respiratory tract is best described by which of the following choices?
Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles.
Which taxonomic rank is the next-smallest after Order?
Vibrio cholerae is a bacteria that causes the disease cholera. Disease-causing agents such as V. cholerae is referred to as a(n)
Which of these is NOT a function of mitosis?
What type of correlation is presented between price and quality?
Weak direct correlation.
Dissolved oxygen (DO) is an important indicator of water quality, and oxygen levels that are too high or too low can harm aquatic ecosystems. A biologist noticed that fish were dying in a local lake and was concerned that the DO levels were too low to support aquatic life due to extremely high temperatures that summer. To measure the DO levels, she brought back several lake water samples to her laboratory to measure the DO concentration as a function of temperature. To do this, she heated several samples of lake water to various temperatures and then measured the DO concentration in each sample. Some samples were kept at the outdoors temperature. Which of the following is the independent variable?
Due to water’s polarity, water is known as which of the following?
A patient who has suffered head trauma is not able to recognize people he has met around an hour earlier but is still able to recognize people he met before the injury. He most likely has damage to the
Which is NOT one of the four basic types of tissue?
Cheetahs, rainbow trout, and inchworms belong to the same
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3 years ago
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3 years ago
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