BIL 150 EXAM 1 QUESTIONS AND
ANSWERS 100% CORRECT
An atom or group of atoms that has acquired a net negative charge by gaining or losing
one or more electrons is referred to as...? - ANSWER-an anion
T/F: The energy needed to break a covalent bond between carbon atoms is significantly
less than the energy required to break an ionic bond? - ANSWER-False
T/F: The age of mammals is estimated to have begun 145 and 65 million years ago by
using Molecular Clock Dating that compares DNA sequencing differences as species
diverged. - ANSWER-True
T/F: The formation of new elements of the periodic table occurred by the fusion of
preexisting combinations of protons and neutrons during the Big Bang and within dying
stars. - ANSWER-True
Where did thermophilic bacteria arise? - ANSWER-Near deep ocean hydrothermal
vents
A homochiral polymeric molecule, such as today's known proteins, is composed... -
ANSWER-on only one optical isomer of a molecule
What are the four core concepts of the study of biology? - ANSWER-1. Evolution
2. Structure and function of cells
3. Genetic Expression
4. Energy transformation
A primary reason for the increase in federal funding to the NIH budget in the early
1980s was due to... - ANSWER-the emergence of the disease AIDS
What is an inquiry based research approach in biology? - ANSWER-- seeing what
motivated researchers to do this experiment
- understanding how the experiments are designed
- determining what new techniques or methods were used
- seeing if the results influenced future research
What is the oldest scientific society that was founded in 1660? - ANSWER-The Royal
Society
Meteorites have been shown to contain... - ANSWER-organic molecules similar to
Earth's molecules
ANSWERS 100% CORRECT
An atom or group of atoms that has acquired a net negative charge by gaining or losing
one or more electrons is referred to as...? - ANSWER-an anion
T/F: The energy needed to break a covalent bond between carbon atoms is significantly
less than the energy required to break an ionic bond? - ANSWER-False
T/F: The age of mammals is estimated to have begun 145 and 65 million years ago by
using Molecular Clock Dating that compares DNA sequencing differences as species
diverged. - ANSWER-True
T/F: The formation of new elements of the periodic table occurred by the fusion of
preexisting combinations of protons and neutrons during the Big Bang and within dying
stars. - ANSWER-True
Where did thermophilic bacteria arise? - ANSWER-Near deep ocean hydrothermal
vents
A homochiral polymeric molecule, such as today's known proteins, is composed... -
ANSWER-on only one optical isomer of a molecule
What are the four core concepts of the study of biology? - ANSWER-1. Evolution
2. Structure and function of cells
3. Genetic Expression
4. Energy transformation
A primary reason for the increase in federal funding to the NIH budget in the early
1980s was due to... - ANSWER-the emergence of the disease AIDS
What is an inquiry based research approach in biology? - ANSWER-- seeing what
motivated researchers to do this experiment
- understanding how the experiments are designed
- determining what new techniques or methods were used
- seeing if the results influenced future research
What is the oldest scientific society that was founded in 1660? - ANSWER-The Royal
Society
Meteorites have been shown to contain... - ANSWER-organic molecules similar to
Earth's molecules
