BIO 110 Lecture Exam 1 Chapter 1, 2, 3, 4 (in part)
Questions With Complete Solutions
____________ is the smallest unit of matter that cannot be
subdivided without losing essential properties.
A)a cell
B)a molecule
C)an atom
D)a proton Correct Answers C
_____________ is the method by which cells export products
for use in another location by forming a vesicle around
molecules. The vesicle fuses with the cell's plasma membrane
and then the vesicle contents are releases for use throughout the
body.
A)endocytosis
B)exocytosis
C)phagocytosis
D)pinocytosis Correct Answers B
"Engaging in aerobic activity 3 times each week will reduce
cholesterol levels" is a:
A)control group.
B)testable hypothesis.
C)scientific control.
D)critical experiment. Correct Answers B
, 1 important difference between covalent and ionic bonds is that:
A)ionic bonds are much stronger than covalent bonds.
B)in ionic bonds 2 atoms share electrons, whereas in covalent
bonds one atom transfers 1 or more electrons to the other atom.
C)in covalent bonds 2 atoms share electrons, whereas in ionic
bonds 1 atom transfers 1 or more electrons to the other atom.
D)in ionic bonds both protons and electrons can be shared,
whereas in covalent bonds only electrons can be shared. Correct
Answers C
A green plant can carry out photosynthesis if given nothing
more than:
A)water, sunlight, and oxygen
B)water, sunlight, and carbon dioxide
C)carbon dioxide
D)oxygen Correct Answers B
A null hypothesis:
A)is the premise that there is no relationship between 2
variables.
B)is the premise that treatment groups were not adequately
controlled.
C)results from an improperly controlled experiment.
D)is a hypothesis that the experimenter hopes will be falsified.
Correct Answers A
A scientist tries to build a eukaryotic cell in her laboratory. She
remembers to include most of the organelles, but forgets 1.
Questions With Complete Solutions
____________ is the smallest unit of matter that cannot be
subdivided without losing essential properties.
A)a cell
B)a molecule
C)an atom
D)a proton Correct Answers C
_____________ is the method by which cells export products
for use in another location by forming a vesicle around
molecules. The vesicle fuses with the cell's plasma membrane
and then the vesicle contents are releases for use throughout the
body.
A)endocytosis
B)exocytosis
C)phagocytosis
D)pinocytosis Correct Answers B
"Engaging in aerobic activity 3 times each week will reduce
cholesterol levels" is a:
A)control group.
B)testable hypothesis.
C)scientific control.
D)critical experiment. Correct Answers B
, 1 important difference between covalent and ionic bonds is that:
A)ionic bonds are much stronger than covalent bonds.
B)in ionic bonds 2 atoms share electrons, whereas in covalent
bonds one atom transfers 1 or more electrons to the other atom.
C)in covalent bonds 2 atoms share electrons, whereas in ionic
bonds 1 atom transfers 1 or more electrons to the other atom.
D)in ionic bonds both protons and electrons can be shared,
whereas in covalent bonds only electrons can be shared. Correct
Answers C
A green plant can carry out photosynthesis if given nothing
more than:
A)water, sunlight, and oxygen
B)water, sunlight, and carbon dioxide
C)carbon dioxide
D)oxygen Correct Answers B
A null hypothesis:
A)is the premise that there is no relationship between 2
variables.
B)is the premise that treatment groups were not adequately
controlled.
C)results from an improperly controlled experiment.
D)is a hypothesis that the experimenter hopes will be falsified.
Correct Answers A
A scientist tries to build a eukaryotic cell in her laboratory. She
remembers to include most of the organelles, but forgets 1.
