Exam 1 Review BIOL 1107
Quiz by aubrie scruggs
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What is the basic unit of life?29
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What is the basic unit of life?
What is an organelle that all cells have?
What do chromosomes contain?
What do genes do?
All of these
Become inherited through generations
Encode information for building molecules within the cell
Direct the development of an organism30s
What is the central dogma created through gene expression?
Where does all energy come from originally?
What is the difference between negative and positive feedback?
Positive feedback is more common than negative feedback.
Negative feedback stimulates production while positive feedback inhibits production
Negative feedback inhibits production while positive feedback stimulates production.
In negative feedback, an end product affects the original process while in positive feedback, it does not.30s
Which of these is not one of the three domains of life?
Which of these is not a subatomic particle?
Which subatomic particle is negatively charged?
Which element in the human body and its percentage are correctly matched?
Carbon - 3%
Nitrogen - 65%
Hydrogen - 10%
Oxygen - 19%30s
What makes up an atomic mass?
Protons and neutrons
Protons and electrons
Neutrons and electrons
The number of valence shells30s
Which subatomic particle number changes within an isotope?
All of these
If a 2000g substance has a half-life of 100 years, how much is left after 50 years?
Where is the highest potential energy level found in an atom?
The first electron shell
The valence shell
The atomic nucleus
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