Introduction to Human Biology- Exam 1
Questions and Answers
Osmosis - ANSWER-Diffusion of water through a selectively permeable membrane
What are proteins produced in? - ANSWER-Ribosmones- Rough ER
Where is Glycogen stored? - ANSWER-Glycogen is stored in the muscle cells and
liver cells
What cell structures enable movement? - ANSWER--Cilia
-Flagella
-Centrioles
When does water move? - ANSWER-An area of low solute
passive transport - ANSWER-Cell does not need to expand energy
active transport - ANSWER-Cell must expand energy
Which of the following molecules provides energy to proteins when needed? -
ANSWER-ATP
Which of the following molecules is a polymer of nuleotides? - ANSWER-DNA
Which one of the following is a very important source of energy for nearly all cells? -
ANSWER-glucose
The fundamental units that make up all living things are called - ANSWER-Cells
Which structure contains the majority of genetic material (chromosomes) within the
cell? - ANSWER-Nucleus
Movement of water and noncharged molecules across plasma membranes are
similar in the method of transport is by - ANSWER-Diffusion
Plasma membrane protein channels containing charged R groups are especially
important in regulating the transport of ______ across a plasma membrane. -
ANSWER-ions
Which of the following organelles produces ATP? - ANSWER-mitochondria
At the end of the electron transport system, oxygen becomes ___________ in the
cell. - ANSWER-glucose
The specialized cell in the nervous system that conducts signals is: - ANSWER-
neuron
, The relative constancy of the body, or the ability to maintain the best possible
internal environment is called - ANSWER-homeostasis
Ligaments - ANSWER-Connect bone to bone
The bone tissue that contains many large spaces filled with red bone marrow is
called: - ANSWER-Spongy Bone
Which type of bone has lacunae in concentric circles around central canals and is
found on the wall of the middle portion of a long bone? - ANSWER-Compact Bone
Which of the following attaches muscle to bone? - ANSWER-Tendons
What are the characteristics of living things? - ANSWER-movement, growth and
development, response to stimuli, reproduction, use of energy, cellular structure
What is the order of biological organization? - ANSWER-molecule, organelle, cell,
tissue, organ, organ system, organism, population, community, ecosystem,
biosphere
Scientific Method - ANSWER-observation, hypothesis, experiment, conclusion
What are atoms composed of? - ANSWER-protons, neutrons, electrons
What are radioisotopes used for? - ANSWER-Diagnosing diseases
Radioisotopes - ANSWER-Isotopes that have unstable nuclei and undergo
radioactive decay.
what are three types of chemical bonds? - ANSWER-ionic, covalent, hydrogen
What are the key properties of water? - ANSWER-Capillary action
Surface tension
Universal solvent
High specific heat
Why is carbon important? - ANSWER-it is present in all living things
monosaccharides examples - ANSWER-glucose, fructose, galactose
disaccharidases - ANSWER-brush-border enzymes that break down maltose,
isomaltose, lactose, and sucrose into monosaccharides
Polysaccharides - ANSWER-Carbohydrates that are made up of more than two
monosaccharides
Three important classes of lipids - ANSWER-Triglycerides: energy storage
molecules
Phospholipids: cell membrane structure
Questions and Answers
Osmosis - ANSWER-Diffusion of water through a selectively permeable membrane
What are proteins produced in? - ANSWER-Ribosmones- Rough ER
Where is Glycogen stored? - ANSWER-Glycogen is stored in the muscle cells and
liver cells
What cell structures enable movement? - ANSWER--Cilia
-Flagella
-Centrioles
When does water move? - ANSWER-An area of low solute
passive transport - ANSWER-Cell does not need to expand energy
active transport - ANSWER-Cell must expand energy
Which of the following molecules provides energy to proteins when needed? -
ANSWER-ATP
Which of the following molecules is a polymer of nuleotides? - ANSWER-DNA
Which one of the following is a very important source of energy for nearly all cells? -
ANSWER-glucose
The fundamental units that make up all living things are called - ANSWER-Cells
Which structure contains the majority of genetic material (chromosomes) within the
cell? - ANSWER-Nucleus
Movement of water and noncharged molecules across plasma membranes are
similar in the method of transport is by - ANSWER-Diffusion
Plasma membrane protein channels containing charged R groups are especially
important in regulating the transport of ______ across a plasma membrane. -
ANSWER-ions
Which of the following organelles produces ATP? - ANSWER-mitochondria
At the end of the electron transport system, oxygen becomes ___________ in the
cell. - ANSWER-glucose
The specialized cell in the nervous system that conducts signals is: - ANSWER-
neuron
, The relative constancy of the body, or the ability to maintain the best possible
internal environment is called - ANSWER-homeostasis
Ligaments - ANSWER-Connect bone to bone
The bone tissue that contains many large spaces filled with red bone marrow is
called: - ANSWER-Spongy Bone
Which type of bone has lacunae in concentric circles around central canals and is
found on the wall of the middle portion of a long bone? - ANSWER-Compact Bone
Which of the following attaches muscle to bone? - ANSWER-Tendons
What are the characteristics of living things? - ANSWER-movement, growth and
development, response to stimuli, reproduction, use of energy, cellular structure
What is the order of biological organization? - ANSWER-molecule, organelle, cell,
tissue, organ, organ system, organism, population, community, ecosystem,
biosphere
Scientific Method - ANSWER-observation, hypothesis, experiment, conclusion
What are atoms composed of? - ANSWER-protons, neutrons, electrons
What are radioisotopes used for? - ANSWER-Diagnosing diseases
Radioisotopes - ANSWER-Isotopes that have unstable nuclei and undergo
radioactive decay.
what are three types of chemical bonds? - ANSWER-ionic, covalent, hydrogen
What are the key properties of water? - ANSWER-Capillary action
Surface tension
Universal solvent
High specific heat
Why is carbon important? - ANSWER-it is present in all living things
monosaccharides examples - ANSWER-glucose, fructose, galactose
disaccharidases - ANSWER-brush-border enzymes that break down maltose,
isomaltose, lactose, and sucrose into monosaccharides
Polysaccharides - ANSWER-Carbohydrates that are made up of more than two
monosaccharides
Three important classes of lipids - ANSWER-Triglycerides: energy storage
molecules
Phospholipids: cell membrane structure
