Essential amino acids are amino acids that cannot be synthesized by an organism and so must be provided as nutrients.
Answer the following statement true (T) or false (F)
True
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In meiosis, the complexity of DNA (amount of information encoded) per cell is essentially halved as compared to the original cell. This reduction in information occurs immediately after:
A. metaphase I. B. metaphase II. C. telophase I. D. telophase II.
Place the basic steps involved in a molecular hybridization assay in sequence from first to last in the order in which they would be performed
a. Heating sample to obtain single-stranded target nucleic acid, hybridization of target to probe, detection of hybridization, labe-ling of probe b. Labeling of probe, heating sample to ob-tain single-stranded target nucleic acid, hybridization of target to probe, detection of hybridization c. Hybridization of target to probe, detection of hybridization, labeling of probe, heating sample to obtain single-stranded target nucleic acid d. Hybridization of target to probe, labeling of probe, heating sample to obtain sin-gle-stranded target nucleic acid, detection of hybridization
Which of the following traits is not characteristic of arthropods?
a. jointed appendages b. hardened exoskeleton c. specialized developmental stages d. lack segmentation
A developing nation with a rapidly increasing population is reaching its carrying capacity. What change(s) could allow it to increase its carrying capacity? (Check all that apply)
A. increased availability of birth control B. a cultural shift to eating less meat C. greater yield from agricultural crops D. water treatment plants E. education for women