Campbell Biology in Focus EXAM
QUESTIONS WITH CORRECT
ANSWERS||100% GUARANTEED
PASS||UPDATED 2026/2027
SYLLABUS||ALREADY GRADED
A+||<<LATEST VERSION>>
What results from an unequal sharing of electrons between atoms? - ANSWER ✓ a
polar covalent bond
A molecule with the chemical formula C6H12O is probably - ANSWER ✓
carbohydrate and monosaccharide only
What is the name of the functional group shown in figure 3.2? - ANSWER ✓
carboxyl
When biologists wish to study the internal ultrastructure of cells, they can achieve
the finest resolution by using a - ANSWER ✓ transmission electronic microscope
The label on a container of margarine lists "hydrogenated vegetable oil" as the
major ingredient. What is the result of adding hydrogens to vegetable oil? -
ANSWER ✓ The hydrogenated vegetable oil stays solid at room temperature.
When a neuron responds to a particular neurotransmitter by opening gated ion
channels, the neurotransmitter is serving as which part of the signal pathway? -
ANSWER ✓ signal molecule
Which organelle often takes up much of the volume of a plant cell? - ANSWER ✓
vacuole
All of the following contain amino acids except - ANSWER ✓ cholesterol
, Which of the following is not a monomer/polymer pairing? - ANSWER ✓
triglyceride/phospholipid bilayer
How many molecules of water are needed to completely hydrolyze a polymer that
is 11 monomers long? - ANSWER ✓ 10
Which functional group is characteristic of alcohols? - ANSWER ✓ -OH
Hydrolytic enzymes must be segregated and packaged to prevent general
destruction of cellular components. In animal cells, which of the following
organelles contains these hydrolytic enzymes? - ANSWER ✓ Peroxisome
If cells are grown in a medium containing radioactive 32P-labeled phosphate,
which of these molecules will be labeled? - ANSWER ✓ both phospholipids and
nucleic acids
What is the maximum number of hydrogen atoms that can be covalently bonded in
a molecule containing two carbon atoms? - ANSWER ✓ 6
Which of the following is one of the ways that the membrane of winter wheat are
able to remain fluid when it is extremely cold? - ANSWER ✓ by increasing the
percentage of unsaturated phospholipids in the membrane
Organisms interact with their environments, exchanging matter and energy. For
example, plant chloroplasts concert the energy of sunlight to - ANSWER ✓
oxygen
Which structure is the site of the synthesis of proteins that may be exported from
the cell? - ANSWER ✓ rough ER
Which two functional groups are always found in amino acids? - ANSWER ✓
carbonyl and amino
Trace elements are those required by an organism in only minute quantities.
Which of the following is a trace element required by humans and other
vertebrates, but not by other organisms such as bacteria or plants? - ANSWER ✓
Iodine
QUESTIONS WITH CORRECT
ANSWERS||100% GUARANTEED
PASS||UPDATED 2026/2027
SYLLABUS||ALREADY GRADED
A+||<<LATEST VERSION>>
What results from an unequal sharing of electrons between atoms? - ANSWER ✓ a
polar covalent bond
A molecule with the chemical formula C6H12O is probably - ANSWER ✓
carbohydrate and monosaccharide only
What is the name of the functional group shown in figure 3.2? - ANSWER ✓
carboxyl
When biologists wish to study the internal ultrastructure of cells, they can achieve
the finest resolution by using a - ANSWER ✓ transmission electronic microscope
The label on a container of margarine lists "hydrogenated vegetable oil" as the
major ingredient. What is the result of adding hydrogens to vegetable oil? -
ANSWER ✓ The hydrogenated vegetable oil stays solid at room temperature.
When a neuron responds to a particular neurotransmitter by opening gated ion
channels, the neurotransmitter is serving as which part of the signal pathway? -
ANSWER ✓ signal molecule
Which organelle often takes up much of the volume of a plant cell? - ANSWER ✓
vacuole
All of the following contain amino acids except - ANSWER ✓ cholesterol
, Which of the following is not a monomer/polymer pairing? - ANSWER ✓
triglyceride/phospholipid bilayer
How many molecules of water are needed to completely hydrolyze a polymer that
is 11 monomers long? - ANSWER ✓ 10
Which functional group is characteristic of alcohols? - ANSWER ✓ -OH
Hydrolytic enzymes must be segregated and packaged to prevent general
destruction of cellular components. In animal cells, which of the following
organelles contains these hydrolytic enzymes? - ANSWER ✓ Peroxisome
If cells are grown in a medium containing radioactive 32P-labeled phosphate,
which of these molecules will be labeled? - ANSWER ✓ both phospholipids and
nucleic acids
What is the maximum number of hydrogen atoms that can be covalently bonded in
a molecule containing two carbon atoms? - ANSWER ✓ 6
Which of the following is one of the ways that the membrane of winter wheat are
able to remain fluid when it is extremely cold? - ANSWER ✓ by increasing the
percentage of unsaturated phospholipids in the membrane
Organisms interact with their environments, exchanging matter and energy. For
example, plant chloroplasts concert the energy of sunlight to - ANSWER ✓
oxygen
Which structure is the site of the synthesis of proteins that may be exported from
the cell? - ANSWER ✓ rough ER
Which two functional groups are always found in amino acids? - ANSWER ✓
carbonyl and amino
Trace elements are those required by an organism in only minute quantities.
Which of the following is a trace element required by humans and other
vertebrates, but not by other organisms such as bacteria or plants? - ANSWER ✓
Iodine
