Download What is the number of ATP made by Kreb`s cycle alone

What is the number of ATP
made by Kreb’s cycle alone?
With what substance does
acetyl-co-A combine to form
citric acid in Kreb’s cycle?
ANSWER: 2
What is the term given to
describe the addition of a
phosphate group to a
substrate such as glucose?
ANSWER: oxaloacetate
ANSWER: substrate-level
phosphorylation
What is the purpose of
fermentation in anaerobic
respiration?
Where in the cell does
glycolysis occur?
ANSWER: Cytoplasm
ANSWER: To regenerate
NAD+ for glycolysis
Name two products made by
anaerobic fermentation in
muscle cells.
ANSWER: lactic acid and
NAD+
How many ATP does each
NADH produced in the
Kreb’s cycle generate in the
electron transport chain?
ANSWER: 3
How many protons must flow
from the intermembrane
space back into the
mitochondrial matrix in
order to produce 1 ATP?
ANSWER: 2 H+ are needed
What is the original source
of NAD+ in the body?
ANSWER: B vitamin niacin in
the diet, found in grains,
dairy products, leafy greens
What is the original source
of FAD in the body?
How many carbon atoms does
oxaloacetate have?
ANSWER: B vitamin
riboflavin in the diet,
(found in grains, liver, leafy
greens)
ANSWER: 4 carbons
How many atoms of sodium
are pumped out of the cell
via the sodium-potassium
pump?
In which direction are
potassium ions pumped in the
sodium-potassium pump?
Where in the cell does
electron transport occur?
(Be specific!)
ANSWER: into to cell
ANSWER: on proteins in the
mitochondrial cristae
What is the term given for
the transport of large
amounts of solid material
into the cell?
What environmental change
may reduce the oxygen
requirements of cells?
How many molecules of CO2
are produced for every
molecule of glucose broken
down?
ANSWER: phagocytosis
ANSWER: cold
temperatures (hypothermia)
ANSWER: 6
ANSWER: 3 atoms of
sodium
What are three functions of
glycoproteins in the cell
membrane? (any 3)
ANSWER: recognition,
attachment, cell signalling,
hormone receptor sites
How many ATP are used up in
one cycle of the sodiumpotassium pump?
What molecule forms the
main structural component
of the cell membrane?
What molecule helps to make
the cell membrane tougher
and less permeable?
ANSWER: 1 ATP
ANSWER: phospholipids
ANSWER: cholesterol
What is the final electron
acceptor in the electron
transport chain?
What kind of gradient or
potential develops as H+
builds up in the inner
membrane space during
electron transport?
How many ATP are
generated from each FADH2
molecule in electron
transport?
ANSWER: Oxygen
ANSWER: 2 ATP
ANSWER: a high chemical
and electrical potential
Name the enzyme that is
responsible for making ATP
in electron transport.
What is the term for the
folds on the inner
mitochondrial membrane?
ANSWER: ATP synthase
ANSWER: cristae
Name the force created by
the protons as they flow
through ATP synthase that
allows the phosphorylation of
ATP.
ANSWER: Proton-motive
force
How many molecules of
pyruvate are formed from
one glucose molecule?
ANSWER: 2
Name the three cytochrome
proteins in ETC where
protons are pumped into the
intermembrane space.
ANSWER: FMN, coenzymeQ,
coenzyme a/a3
What is the term for the
making of ATP via electron
transport?
ANSWER: oxidative
phosphorylation