What is the order of taxonomic classification? - ANS-Domain, Kingdom, Phylum, Class,
Order, Family, Genus, Species
(Did King Phineus Call On Ferb? Guess So)
What is not one of the 12 unifying principals of life as defined in the text book? -
ANS-Living organisms are capable of movement
A tentative explanation for a natural phenomenon that is testable and verifiable
statement is: - ANS-a hypothesis
The cell theory of 1838 states that new cells come from - ANS-preexisting cells
Why do living organisms use homeostasis? - ANS-The environment can be constantly
changing
T/F
Genetic material provides information for reproduction - ANS-True
An organism is best defined as - ANS-a member of a species
T/F
The passage of DNA from one species to a different species is an example of vertical
descent with modification - ANS-False
T/F
There is no evidence of horizontal gene transfer between species other than in bacteria
- ANS-False
T/F
The sequencing of the DNA contained in the nucleus of a previously unknown organism
is an example of discovery-based science - ANS-True
An explanation for a biological process that is substantiated by a large body of evidence
is called - ANS-theory
, A researcher is testing a hypothesis that large daily doses of vitamin C help protect
against catching the common cold. What would be the best experimental and control
group to test this hypothesis? - ANS-Experimental group: take large daily dose of
vitamin C.
Control group: take daily dose of sugar pill disguised as vitamin C
T/F
a scientist uses statistics to determine if a difference between the outcome of the
experiment group versus the control group is not due to chance - ANS-True
What is the approximate atomic mass of an atom with 16 neutrons 15 protons and 15
electrons? - ANS-31 daltons
Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion
concentration of the lake? - ANS-10^-4 M
The molecular mass of glucose is 180g. Which of the following procedures should you
carry out to make a 1M solution of glucose? - ANS-dissolve 180 g of glucose in 1 L of
water
Calcium has an atomic number of 20 and an atomic mass of 40.078. How many
electrons does Ca have? - ANS-20 electrons
Calcium has an atomic number of 20 and an atomic mass of 40. How many protons
does Ca have? - ANS-20 proteins
Calcium has an atomic number of 20 and an atomic mass of 40.078. Based on this
information does Ca have an isotope in the atmosphere? - ANS-Yes
T/F
C6H12O6 is a molecule and a compound - ANS-True
What is the maximum number of electrons in the 2s orbital of an atom? - ANS-2
The nucleus of an atom is charged how? - ANS-positively charged
isotopes are different forms of the same element that have different numbers of -
ANS-neutrons