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41 terms

Human Biology Midterm

derp
STUDY
PLAY
Most eukaryotic cells have one membrane bound ______ that contains the genetic material
nucleus
which of the following structures is characteristic of both prokaryotic and eukaryotic cells
cell membrane
gated channels are especially important in regulating the transport of ______ across a plasma membrane
ions
bulk movement of water across a plasma membrane
diffusion
true regarding active transport?
requires energy
peptides and small peptides are too largeto be transported, moved by
endocytosis
which of the following organelles is responsible for the production of lipids?
smooth endoplasmic reticulum
lysosomes dissolve, they become
residual bodies
products of endoplasmic reticulum are transported to the golgi apparatus by
vesicles
muscle cells require more energy, so they have more
glycogen, mitochondria
to increase surface area of cells, the plasma membrane possess
microvilli
internal support network for the cell
cytoskeleton
cell division- genetic material distributed equally by
centrioles
chemical reactions that result in synthesis of large molecules
anabolic
stage of catabolism of glucose splits glucose into two 3carbon molecules
glycolysis
immediately after a meal, what is first used by cells as an energy source?
glucose
characteristics true for eukaryotes EXCEPT
genetic material is maintained as DNA
oxygen and carbon dioxide are able to pass through plasma membrane of the cell because
both lipid soluble
NOT true regarding receptor proteins
all cells have the same
which step in the breakdown of glucose can be performed without oxygen?
glycolysis
burning sensation associated with muscle fatigue
NADH
muscle cells store energy in the form of ____
glycogen
evolution of multicellular organisms confers all of the advantages EXCEPT
rarely specialized
tissues can respond to the environment by generating electric signals
nervous
tissue lining the mouth
epithelial
muscle responsible for involuntary contractions of the stomach
smooth
holds organs in position
areolar tissue
true regarding endocrine glands
produce and secrete hormones
characteristic of exocrine gland but not an endocrine gland
requires duct
find cartilage
between the vertebrae
vasoconstriction
smooth
true regarding glial cells
protect neurons
abdominal cavity is separated from the thoracic cavity by the
diaphragm
tissue membrane between bones and joints
synovial
lines the airways and digestive tract
mucous
present to ensure adjacent cells are packed close together
tight junctions
blister develops when excessive rubbing of the ____ and ______ separate
epidermis, dermis
true regarding negative feedback system
restores homeostasis
not found in the dermis
pleural cavity
NOT a function of the skin
storage of calcium
positive feedback control occurs
both