Chapter 1
Which of the following taxonomic levels is least inclusive (includes the smallest number of organisms)?
a. Class
b. Family
c. Order
d. Phylum
b. Family
What is Matter?
Anything that has mass and takes up space
What is Organic Chemistry?
the chemistry of living organism
What are Proteins?
made up of smaller subunits called amino acids
What are the four classes of organic molecules (Biomolecules)?
Carbohydrates, Lipids, Proteins, Nucleic Acids
In an experiment the factor being tested is the __________________ variable.
a. control
b. responding
c. dependent
d. independent
d. independent
What are the most abundant elements in living matter that make up about 95%?
Carbon, Oxygen, Hydrogen, Nitrogen, Phosphorous, Sulfur
What is Inorganic Chemistry?
the chemistry of non living matter
What are Nucleic Acids?
subunits are nucleotides
What are Isomers?
organic molecules that have identical molecular formulas but different arrangements of atoms
Which of the following is not a kingdom in the Domain Eukarya?
a. Monera
b. Plantae
c. Fungi
d. Animalia
a. monera
What is all matter made up of?
Elements
What do Organic substances/molecules contain?
Carbon and hydrogen
What is a Dehydration Reaction?
subunits that are bonded together to make a larger molecule
What are the 4 Classes of the Biomolecules of Cells?
Carbohydrates
Lipids
Proteins
Nucleic Acids
" A collection of similar cells with common function" best describes which level of biological organization?
a. organism
b. organ system
c. tissue
d. ecosystem
c. tissue
How many elements are there?
118
What is a Carbon Skeleton?
the shape of a molecule
A molecule of H2O is produced for every bond formed. What does that relate to?
Dehydration reaction
What are Carbohydrates?
subunits are monosaccharides (simple sugar)
As presented in lecture, what is the second step of the scientific method?
hypothesis
Out of the elements, how many are naturally occurring?
92
What is a Functional Group?
a small group of atoms bonded to a carbon skeleton
What is a Hydrolosis Reaction?
large molecule is broken down to separate subunits
What are Lipids?
subunits for most types are fatty acids