BIO 1223 EXAM QUESTIONS AND ANSWERS
100% VERIFIED
which of the following types of cells utilize DNA as their genetic material but do not have
their DNA enclosed within a nuclear envelope? - ANSWER archaean
When a person gets dehydrated while exercising on a hot day, their pituitary gland
releases ADH, a hormone that signals the kidneys to retain more water. This is an
example of - ANSWER negative feedback loop
In comparison to eukaryotes, prokaryotes _____. - ANSWER are smaller
Charles Darwin proposed a mechanism for descent with modifications that stated that
organisms of a particular species are adapted to their environment when they
possess______. - ANSWER heritable traits that enhance their survival and reproductive
success in the local environment
which of these is an example of inductive reasoning? - ANSWER hundreds of individuals
of a species have been observed and all are photosynthetic; therefore, the species is
photosynthetic
About 25 of the 92 natural elements are known to be essential to life. Which four of these
25 elements make up approximately 96% of living matter? - ANSWER carbon, hydrogen,
nitrogen, oxygen
in what way are the elements in the same column of the periodic table the same? They
have the same # of___. - ANSWER electrons in their valence shell when neutral
Fluorine has an atomic number of 9. Which of the following would you do to a neutral
fluorine atom to complete its valence shell? - ANSWER add one electron
100% VERIFIED
which of the following types of cells utilize DNA as their genetic material but do not have
their DNA enclosed within a nuclear envelope? - ANSWER archaean
When a person gets dehydrated while exercising on a hot day, their pituitary gland
releases ADH, a hormone that signals the kidneys to retain more water. This is an
example of - ANSWER negative feedback loop
In comparison to eukaryotes, prokaryotes _____. - ANSWER are smaller
Charles Darwin proposed a mechanism for descent with modifications that stated that
organisms of a particular species are adapted to their environment when they
possess______. - ANSWER heritable traits that enhance their survival and reproductive
success in the local environment
which of these is an example of inductive reasoning? - ANSWER hundreds of individuals
of a species have been observed and all are photosynthetic; therefore, the species is
photosynthetic
About 25 of the 92 natural elements are known to be essential to life. Which four of these
25 elements make up approximately 96% of living matter? - ANSWER carbon, hydrogen,
nitrogen, oxygen
in what way are the elements in the same column of the periodic table the same? They
have the same # of___. - ANSWER electrons in their valence shell when neutral
Fluorine has an atomic number of 9. Which of the following would you do to a neutral
fluorine atom to complete its valence shell? - ANSWER add one electron
