APHY 101 Study Guide Questions with Complete verified Solutions
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Course
APHY 101
Institution
APHY 101
APHY 101 Study Guide Questions with Complete
verified Solutions
what are lipids - ANSWER organic compounds that are insoluble in water
what are proteins - ANSWER structural materials, energy sources, and chemical messengers
What are nucleic acids? - ANSWER carry the instructions, in the form of...
APHY 101 Study Guide Questions with Complete
verified Solutions
what are lipids - ANSWER organic compounds that are insoluble in water
what are proteins - ANSWER structural materials, energy sources, and chemical messengers
What are nucleic acids? - ANSWER carry the instructions, in the form of genes
structure and function of a triglyceride molecule - ANSWER fatty acid molecules to
glycerol molecule and supply energy for cellular activities
structure and function of a phospholipid molecule - ANSWER two fatty acids molecules and a
phosphate groups bound to a glycerol molecule and used as structural components in a cell
membrane and large amounts in liver and parts of nervous system
structure and function of steroid molecule - ANSWER four connected rings of carbon
atoms(structure) and functions cholesterol, sex hormones, and certain hormones of
adrenal glands
what is an amino acid - ANSWER building blocks of proteins
what are enzymes - ANSWER catalyst in living systems
What are the differences between DNA and RNA? - ANSWER DNA: double stranded, has
deoxyribose sugar, bases: A, T, G, C
RNA: single stranded, has ribose sugar, bases: A, U, G, C
,Describe the cell membrane - ANSWER outer most limit of the cell
Describe the nuclues - ANSWER innermost of the cell, contains the genetic material that
directs the activities of the cell
Describe cytoplasm - ANSWER specialized functions called cytoplasmic organelles
describe cytosol - ANSWER organelles that suspended liquid
describe organelles - ANSWER divide the labor in a cell by partitioning off certain areas
providing certain functions such as dismantling debris, extracting energy from nutrients,
or packing secretions
what are the functions of the cell membrane - ANSWER regulates what enters and leaves the
cell and provides protection and support
what is the structure of the cell membrane - ANSWER contains the cytoplasm which
surrounds the nucleus
primary function of ribosome - ANSWER protein synthesis
primary function of smooth ER - ANSWER synthesizing lipids, absorbing fats from the digestive
tract, and breaking down certain drugs
primary function of rough ER - ANSWER proteins synthesizing on ribosomes that move
through the tubules of the ER
primary function of vesicle - ANSWER membranous sac that store or transport substance within
a cell or between cells
, primary function of Golgi apparatus - ANSWER refines, packages, transports
proteins synthesized on the rough ER
primary function of mitochondria - ANSWER house of most of the biochemical reactions
that extract energy from nutrient molecules in digested foods
primary functions of lysosomes - ANSWER garbage disposal, where enzymes dismantle debris
primary function of peroxisomes - ANSWER membraneous sacs that resemble lysosomes in size
and shape
primary function of centrosomes - ANSWER helps distribute chromosomes to new cells during
cell division, initiates formation of cilia
primary function of cilia - ANSWER propel fluids over cell surface, others sensory
primary function of flagella - ANSWER enables sperm cells to move
functions of nuclear envelop - ANSWER maintains the integrity of the nucleus and
controls passage of materials between the nucleus and cytoplasm
functions of nuclear pores - ANSWER protein lined channel in the nuclear envelope that
regulates the transportation of molecules between the nucleus and the cytoplasm
functions of nucleolus - ANSWER site of ribosomes formation
functions of chromatin - ANSWER carries information for synthesizing proteins
define diffusion - ANSWER movement of molecules from high concentration to
low concentration
Define osmosis - ANSWER diffusion of water across a selectively permeable membrane
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