Which of the following are accessory photosynthetic pigments that expand the spectrum of light that
provides energy for photosynthesis:a.
carotenoids.
b. chlorophyll a.
c. chlorophyll b.
d. Both caroternois and chlorophyll a.
e. Both carotenoids and chlorophyll b.
E
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Which blood vessel will deposit the oxygen rich blood within the glomerulus?
a. Efferent artertiole b. Peritubular capillaries c. Afferent arteriole d. Renal vein e. Renal artery
The main function of salivary mucus is to
a. break down starch. b. mechanically breakup food materials. c. make the food particles sticky. d. hydrate dry food particles. e. do more than one of these
A basal lamina ______________________
(a) is a thin layer of connective-tissue cells and matrix underlying an epithelium. (b) is a thin layer of extracellular matrix underlying an epithelium. (c) is attached to the apical surface of an epithelium. (d) separates epithelial cells from each other.
Meiosis is a highly specialized cell division in which several events occur in a precisely defined order. Please order the meiotic events listed below
1. loss of cohesins near centromeres 2. chromatid pairing 3. chromosome condensation 4. chromosome replication 5. degradation of cohesins bound to chromosome arms 6. formation of chiasmata (chiasmata = plural of chiasma) 7. homolog pairing 8. alignment of chromosomes at the metaphase plate