Themes and Concepts of Biology
Biology is the study of _____
life
Results that do not support a hypothesis are also known as ________ ______ (two words).
Negative data
What is the smallest unit of MATTER?
The atom
Which of the following components of a nucleic acid can vary: Phosphate, sugar, or nitrogenous base?
Nitrogenous base
Early taxonomic classification was organized based on what?
morphological/visual observation
What was the purpose of the Human Genome Project?
To map the human genome (our DNA)
What is the maximum number of electrons that can be held in the first shell of an atom?
2 electrons
Which of the following is NOT a MONOsaccharide: glucose, fructose, starch
starch
True or False: there are two domains that encompass all living things
False, there are 3. Bacteria, Archaea, and Eukarya
In an experiment testing how local ladybug populations impact aphid populations, what is the DEPENDENT variable?
Aphid population
True or False: Hydrogen bonds are the weakest chemical bond
True
the root word "phobic" means?
What is the smallest unit of LIFE?
The cell
A valid hypothesis must be testable and ___________.
Falsifiable
What do our bodies use to maintain normal pH homeostasis?
Buffers
True or false: cholesterol is always bad
False! Cholesterol is an essential component of many cellular structures and processes in the body
"Sensitivity to stimuli" and "adaptation" are two distinct characteristics of living things. How are they different?
Sensitivity = acute response
Adaptation = evolution over time
True or false: the placebo effect is fake.
False
If a solution changes from a pH of 5 to a pH of 7, how does that change the hydrogen ion concentration?
Decreased H+ concentration
Primary