Chapter 1: The Science of Life
What is the scientific study of life?
Biology
What are the three domains of life?
Bacteria, Archaea, and Eukarya
What are the 6 elements in human body?
Oxygen, Carbon, Hydrogen, Nitrogen, Calcium, and Phosphorus
What is the difference between adhesion and cohesion?
Cohesion is the attraction between water to water.
Adhesion is the attraction between water to another substance.
What is an unusual ability of carbon?
It can form four covalent bonds with other atoms.
What is an example of external stimuli
Who states the theory of evolution by natural selection?
Darwin
What charge does proton have?
positive (+)
What makes a solution?
The mixture of solute and solvent makes a solution.
Why is macromolecule named this way?
Because of the size of the molecule
What are the two types of reproduction?
Sexual Reproduction and Asexual Reproduction
What are the three variables in conducting the experiment?
Independent Variable, Dependent Variable, and Constant
What are ions?
Ions are atoms that have a charge.
In a saturated solution, can you put more solute in the solvent?
No
What is the difference between monosaccharides and disaccharides?
Monosaccharides are made up of one sugar.
Disaccharides are made up of two sugars.
What is a collection of tissues that structurally form a functional unit specialized to perform a particular function?
Organ
What is the difference between the control group and experimental group?
Control group - the group that does not receive the treatment.
Experimental group - the group that receives a treatment in an experiment.
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What is an aqueous solution?
a solution in which the solvent is water
What is the difference between a starch and glycogen?
Starch is an energy storage polysaccharide of plants.
Glycogen is a storage polysaccharide in animals.
Who articulated the theory of spontaneous generation?
Greek philosopher Aristotle
What is an experiment that prevents the experimental subjects from knowing whether they are in the control of the experimental group?
Blind Experiment
What is a main example of a polar molecule?
H20 (water)
If the pH scale goes toward 0, does it become more acidic or more basic?
becomes more acidic
What are the two types of genetic material?
RNA and DNA