BIOL 246 University of Kansas Exam 1 Study Materials Questions and Answers Fully Solved
In a negative feedback loop, a change from a set point is _____. - Answers Reversed
What is blood classified as? - Answers Connective Tissue
A decrease in insulin secretion and an increase in glucagon secretion occurs ________? - Answers During
fasting
In a negative feedback loop, a change from a set point can be the result of ______. - Answers Positive
feedback mechanisms
The study of which of the following helps us to understand normal human physiology?
Anatomy
Pathophysiology
Comparative Physiology
All of the Above - Answers All of the above
In maintaining homeostasis, what does a muscle or gland generally functions as? - Answers An effector
Where is the intracellular compartment found? - Answers Inside Cells
Two monosaccharides can be joined covalently to form a(n): - Answers Disaccharide
Molecules in the lipid category have a common physical property, which is what? - Answers They are all
insoluble in polar solvents
The _____ effect of phospholipids prevents the lungs from collapsing due to surface tension forces. -
Answers Surfactant
The amount of which subatomic particle is different between an atom and its ion? - Answers Electrons
In an atom, the first electron shell can hold up to how many electrons? - Answers Two
Which of the following is a characteristic of a secondary lysosome?
1) Contains only digestive enzymes.
2) Contributes to the cytoskeleton of a cell.
3) Contains enzymes responsible for oxidative reactions in the liver and in other cells.
, 4) Contains partially digested remnants from other organelles and ingested organic material. - Answers
4) Contains partially digested remnants from other organelles and ingested organic material.
Hairlike structures on the outer surface of a cell - Answers Cilia
What is the fluid Portion of the Cell called - Answers Cytoplasm
Microfilaments and Microtubules compose the _____ - Answers Cytoskeleton
Membrane Organelles containing enzymes are called ____ - Answers Lysosomes
Where is the site of energy production - Answers Mitochondria
What is responsible for poduction of Proteins - Answers ribosomes
What contains catalase enzymes - Answers Peroxisomes
How does phagocytosis differ from endocytosis? - Answers Phagocytosis uses pseudopods to surround
and engulf material.
Cell products that are to be secreted are processed and packaged into vesicles by the _____. - Answers
Golgi complex
Which of the following is true of the nuclear envelope?
1) It is a single-layered membrane.
2) The outer portion of the membrane is continuous with the endoplasmic reticulum.
3) No ribosomes are embedded in the membrane; rather, they are found only in the cytoplasm.
4) It has openings called nuclear pores that allow anything to diffuse through - Answers 2) The outer
portion of the membrane is continuous with the endoplasmic reticulum
Both steroid hormone production and calcium ion storage are a function of what organelle?` - Answers
The smooth endoplasmic reticulum
What contains lysozyme and proteases, which digest bacteria? - Answers Lysosomes
Phagocytes are attracted by which of the following?
1) Phospholipids released by injured cells
2) Components of the complement system
In a negative feedback loop, a change from a set point is _____. - Answers Reversed
What is blood classified as? - Answers Connective Tissue
A decrease in insulin secretion and an increase in glucagon secretion occurs ________? - Answers During
fasting
In a negative feedback loop, a change from a set point can be the result of ______. - Answers Positive
feedback mechanisms
The study of which of the following helps us to understand normal human physiology?
Anatomy
Pathophysiology
Comparative Physiology
All of the Above - Answers All of the above
In maintaining homeostasis, what does a muscle or gland generally functions as? - Answers An effector
Where is the intracellular compartment found? - Answers Inside Cells
Two monosaccharides can be joined covalently to form a(n): - Answers Disaccharide
Molecules in the lipid category have a common physical property, which is what? - Answers They are all
insoluble in polar solvents
The _____ effect of phospholipids prevents the lungs from collapsing due to surface tension forces. -
Answers Surfactant
The amount of which subatomic particle is different between an atom and its ion? - Answers Electrons
In an atom, the first electron shell can hold up to how many electrons? - Answers Two
Which of the following is a characteristic of a secondary lysosome?
1) Contains only digestive enzymes.
2) Contributes to the cytoskeleton of a cell.
3) Contains enzymes responsible for oxidative reactions in the liver and in other cells.
, 4) Contains partially digested remnants from other organelles and ingested organic material. - Answers
4) Contains partially digested remnants from other organelles and ingested organic material.
Hairlike structures on the outer surface of a cell - Answers Cilia
What is the fluid Portion of the Cell called - Answers Cytoplasm
Microfilaments and Microtubules compose the _____ - Answers Cytoskeleton
Membrane Organelles containing enzymes are called ____ - Answers Lysosomes
Where is the site of energy production - Answers Mitochondria
What is responsible for poduction of Proteins - Answers ribosomes
What contains catalase enzymes - Answers Peroxisomes
How does phagocytosis differ from endocytosis? - Answers Phagocytosis uses pseudopods to surround
and engulf material.
Cell products that are to be secreted are processed and packaged into vesicles by the _____. - Answers
Golgi complex
Which of the following is true of the nuclear envelope?
1) It is a single-layered membrane.
2) The outer portion of the membrane is continuous with the endoplasmic reticulum.
3) No ribosomes are embedded in the membrane; rather, they are found only in the cytoplasm.
4) It has openings called nuclear pores that allow anything to diffuse through - Answers 2) The outer
portion of the membrane is continuous with the endoplasmic reticulum
Both steroid hormone production and calcium ion storage are a function of what organelle?` - Answers
The smooth endoplasmic reticulum
What contains lysozyme and proteases, which digest bacteria? - Answers Lysosomes
Phagocytes are attracted by which of the following?
1) Phospholipids released by injured cells
2) Components of the complement system
