Primary active transport results in which of the following?
a. A charge difference across a membrane
b. A pocket forming around target particles
c. The formation of additional ATP
d. The reduction in extracellular fluid
a. A charge difference across a membrane
Primary active transport results in a charge difference across a membrane.
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Decomposers are vital components of a food web because they:
A. incorporate the carbon contained in atmospheric CO2 into C6H12O6. B. immediately provide tertiary consumers with usable forms of carbon. C. serve as primary producers. D. return carbon (as CO2) to the atmosphere.
Condensation of DNA yields the 30 nm filament. This filament:
A. is the most compact form of eukaryotic DNA. B. is moderately condensed DNA, as facilitated by H1 and the N-terminal tails. C. is also called the chromosomal scaffold. D. includes tetranucleosomes, each 30 nm in diameter. E. would not include histone variants.
Plantae Terrestrial, multicellular, photosynthetic organisms
Anthophyta Vascular plants with flowers, fruits, and seeds Monocotyledones Monocots. Flowering plants with one seed leaf (cotyledon) and flower parts in threes Commelinales Monocots with reduced flower parts, elongated leaves, and dry 1-seeded fruits Poaceae Grasses with hollow stems; fruit, a grain; and abundant endosperm in seed Zea Tall annual grass with separate female and male flowers mays Only one species in genus -- corn . Based on the accompanying table, one characteristic used at the class level of classification for corn is: a. separate male and female flowers. b. the presence of a single seed leaf. c. flower parts in fours or fives. d. flowering vascular plants. e. tall annual grasses.
This is normally a disease of infants and so we inoculate infants in our country. However, because most of us never get a booster shot, we are seeing more cases of this disease in college students and adults. What is this disease?
A. diphtheria B. whooping cough C. scarlet fever D. rheumatic fever E. shingles