Which of the following is NOT a functional
occupation of nucleotides?
a. virus destroyers
b. energy carriers
c. enzyme helpers
d. chemical messengers
e. subunits of larger molecules
A
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Which of the following was observed by Erwin Chargaff?
A. Base composition of DNA does not vary from one species to another. B. The DNA isolated from different tissues of the same species all have the same base composition. C. Base composition changes as the organism ages. D. In all species, the number of adenines equals the number of guanines. E. In all species, A + T = G + C.
HIV cannot be transmitted sexually
a. true b. false
Of the two pituitary Lobe which one receives direct signal from hypothalamus via axons.
a) Anterior Pituitary Lobe b) Posterior Pituitary Lobe
Which of the following is NOT a success of biotechnology?
Complete cure of people with cystic fibrosis and heart disease using gene therapy Production of meatier turkeys Production vitamin A-enriched rice Production of seedless watermelons Production of bigger and juicier kernels in corn