Which of these is Not a Lipid?
a. cholesterol
b. RNA
c. steroids
d. phospholipid
e. wax
Answer: b. RNA
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Latex bead agglutination tests are
A) rapid and reliable tests used for the detection of certain bacteria as well as certain serum antibodies. B) inferior tests used in developing countries not having facilities for more reliable assays. C) an integral part of the EIA test procedure. D) too expensive for routine use.
A genotyping microarray would be useful in determining if the chromosomal mutation called duplication took place
A. true B. false
How does the size of fungal hyphae contribute to their ability to decompose detritus?
A. Fungal hyphae have a low ratio of surface area to volume, so they are able to absorb more nutrients. B. Fungal hyphae have high ratio of surface area to volume, so they are able to absorb more nutrients. C. Fungal hyphae have a low ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus. D. Fungal hyphae have a high ratio of surface area to volume, so they are able to secrete more digestive enzymes into the surrounding environment to break down detritus.
What does the directed-pollination hypothesis suggest?
A. Plants are only directly pollinated when other plants of the same species are nearby. B. Plants that self-pollinate are directed (triggered) to do so by the absence of nearby plants of their species. C. Natural selection has favored flower traits (scent, shape, color) that attract pollinating animals. D. Pollination is a process that is directed (triggered) by key plant hormones.