BIO210 Final Exam Study Guide/ Updated Solution
From exam 1 - Answer-35 questions
/.A structure that is composed of two or more tissue types that work together to perform
specific functions forthe body is a(n) ________ - Answer-organ
/.________ is the most abundant chemical substance in the body, accounting for 60%
to 80% of body weight. - Answer-water
/.Homeostasis is the condition in which the body maintains ________. - Answer-a
dynamic state within an unlimited range, depending on circumstances
/.Choose the following statement that is not completely correct regarding serous
membranes. - Answer-Visceral pericardium covers the heart's outer surface, and
parietal pericardium lines the heart's internal walls.
/.Place the following in correct sequence from simplest to most complex:
1. molecules 2. Atoms 3. Tissues 4. Cells 5. organs - Answer-2-1-4-3-5
/.What is a vertical section through the body, dividing it into left and right, called? -
Answer-sagittal
/.The basic structural material of the body consists of ________. - Answer-proteins
/.The genetic information is coded in DNA by the ________. - Answer-sequence of the
nucleotides
/.A chemical reaction in which bonds are broken is usually associated with ________. -
Answer-the release of energy
/.The numbers listed represent the number of electrons in the first, second, and third
energy levels, respectively. On this basis, which of the following is an unstable or
reactive atom? - Answer-2, 8, 1
/.Which of the following would be regarded as an organic molecule? - Answer-CH4
/.The four elements that make up about 96% of body matter are ________. - Answer-
carbon, oxygen, hydrogen, nitrogen
/.If atom X has an atomic number of 74 it would have which of the following? - Answer-
74 protons
, /.Which bonds often bind different parts of a molecule into a specific three-dimensional
shape? - Answer-hydrogen
/.Which vesicular transport process occurs primarily in some white blood cells and
macrophages? - Answer-phagocytosis
/.In certain kinds of muscle cells, calcium ions are stored in ________. - Answer-the
smooth ER
/.The RNA responsible for carrying amino acids to ribosomes for protein formation
is_______. - Answer-tRNA
/.Which of the following describes the plasma membrane? - Answer-a phospholipid
bilayer surrounding the cell
/.Which structures are fingerlike projections that greatly increase the absorbing surface
of cells? - Answer-microvilli
/.Which type of cell junction acts as anchors and distributes tension through a cellular
sheet and reduces the chance of tearing when it is subjected to great mechanical
stress? - Answer-desmosomes
/.If cells are placed in a hypertonic solution with a solute impermeable to the cell
membrane, what could happen? - Answer-The cells will lose water and shrink.
/.Which of the following is a function of a plasma membrane protein? - Answer-
molecular transport through the membrane
/.If the nucleotide or base sequence of the DNA strand used as a template for
messenger RNA synthesis is ACGTT, then what would be the sequence of bases in the
corresponding mRNA? - Answer-UGCAA
/.Passive membrane transport processes include ________. - Answer-movement of a
substance down its concentration gradient
/.Mitochondria ________. - Answer-contain some of the DNA and RNA code necessary
for their own function
/.Which of the following statements is most correct regarding the intracellular chemical
signals known as "second messengers"? - Answer-Cyclic AMP and calcium may be
second messengers.
/.The functions of centrioles include ________. - Answer-organizing the mitotic spindle
in cell division
From exam 1 - Answer-35 questions
/.A structure that is composed of two or more tissue types that work together to perform
specific functions forthe body is a(n) ________ - Answer-organ
/.________ is the most abundant chemical substance in the body, accounting for 60%
to 80% of body weight. - Answer-water
/.Homeostasis is the condition in which the body maintains ________. - Answer-a
dynamic state within an unlimited range, depending on circumstances
/.Choose the following statement that is not completely correct regarding serous
membranes. - Answer-Visceral pericardium covers the heart's outer surface, and
parietal pericardium lines the heart's internal walls.
/.Place the following in correct sequence from simplest to most complex:
1. molecules 2. Atoms 3. Tissues 4. Cells 5. organs - Answer-2-1-4-3-5
/.What is a vertical section through the body, dividing it into left and right, called? -
Answer-sagittal
/.The basic structural material of the body consists of ________. - Answer-proteins
/.The genetic information is coded in DNA by the ________. - Answer-sequence of the
nucleotides
/.A chemical reaction in which bonds are broken is usually associated with ________. -
Answer-the release of energy
/.The numbers listed represent the number of electrons in the first, second, and third
energy levels, respectively. On this basis, which of the following is an unstable or
reactive atom? - Answer-2, 8, 1
/.Which of the following would be regarded as an organic molecule? - Answer-CH4
/.The four elements that make up about 96% of body matter are ________. - Answer-
carbon, oxygen, hydrogen, nitrogen
/.If atom X has an atomic number of 74 it would have which of the following? - Answer-
74 protons
, /.Which bonds often bind different parts of a molecule into a specific three-dimensional
shape? - Answer-hydrogen
/.Which vesicular transport process occurs primarily in some white blood cells and
macrophages? - Answer-phagocytosis
/.In certain kinds of muscle cells, calcium ions are stored in ________. - Answer-the
smooth ER
/.The RNA responsible for carrying amino acids to ribosomes for protein formation
is_______. - Answer-tRNA
/.Which of the following describes the plasma membrane? - Answer-a phospholipid
bilayer surrounding the cell
/.Which structures are fingerlike projections that greatly increase the absorbing surface
of cells? - Answer-microvilli
/.Which type of cell junction acts as anchors and distributes tension through a cellular
sheet and reduces the chance of tearing when it is subjected to great mechanical
stress? - Answer-desmosomes
/.If cells are placed in a hypertonic solution with a solute impermeable to the cell
membrane, what could happen? - Answer-The cells will lose water and shrink.
/.Which of the following is a function of a plasma membrane protein? - Answer-
molecular transport through the membrane
/.If the nucleotide or base sequence of the DNA strand used as a template for
messenger RNA synthesis is ACGTT, then what would be the sequence of bases in the
corresponding mRNA? - Answer-UGCAA
/.Passive membrane transport processes include ________. - Answer-movement of a
substance down its concentration gradient
/.Mitochondria ________. - Answer-contain some of the DNA and RNA code necessary
for their own function
/.Which of the following statements is most correct regarding the intracellular chemical
signals known as "second messengers"? - Answer-Cyclic AMP and calcium may be
second messengers.
/.The functions of centrioles include ________. - Answer-organizing the mitotic spindle
in cell division
