ANSWERS WITH SOLUTIONS 2024
Organisms that obtain their energy from
light can be termed? - ANSWER autotrophic
Compare Fermentation to aerobic respiration. - ANSWER yields less energy per mole of glucose than
aerobic respiration.
In respiration what does oxygen do? - ANSWER acts as an acceptor for electrons (and protons), forming
water.
An enzyme is added to an aqueous solution of ATP, DNA, albumen, fat and glycogen; the reaction
mixture is incubated for 10 minutes. If an analysis of
the mixture reveals the presence of all of the above compounds plus glucose, it can be concluded that
the enzyme hydrolyzed some of the... - ANSWER glycogen
What cellular organelles would you expect to be absent from fungi? - ANSWER chloroplasts
Intracellular organelles that participate in metabolic oxidations involving H2O2 are called what? -
ANSWER peroxisomes
The two daughter cells formed by mitosis and cytokinesis have what? - ANSWER the same number of
chromosomes present in the parent cell
Starch, cellulose and glycogen are all what? - ANSWER polymers of glucose
Which cell organelle does not have a membranous structure? - ANSWER centrioles
In anaerobic glycolysis in muscle cells, one mole of glucose is oxidized to what? - ANSWER two moles of
lactic acid
, The movement of water soluble molecules through cell membranes, from higher to lower
concentrations, by attachment to a carrier protein, describes what? - ANSWER facilitated diffusion
As far as their products are concerned, all biosynthetic reactions in living cells result in what? - ANSWER
a more ordered state, therefore a decrease in entropy
Which is the smallest organelle in the cell? - ANSWER ribosome
For a given diameter of an axon, one factor which increases the velocity of a nerve impulse is what? -
ANSWER the presence of a myelin sheath
Which chiefly stimulates action of the respiratory center? - ANSWER carbon dioxide in the blood
The term motor unit refers to what? - ANSWER all the muscle fibers innervated by one nerve fiber
The human heart beat is initiated within the what? - ANSWER sino-atrial node
In the nephron of the kidney, filtration occurs between the what? - ANSWER the glomerulus and
Bowman's capsule
The addition of potassium iodide as a nutritional supplement to common table salt would most directly
affect the function of which of these glands? - ANSWER thyroid
What is not synthesized by the anterior lobe of the pituitary gland of vertebrates? - ANSWER oxytocin
Clotting of human blood depends on what? - ANSWER the formation of fibrin from fibrinogen
At some stage of development, all chordates have? - ANSWER pharyngeal pouches, a notochord, and a
dorsal tubular nerve cord