An effect of deforestation has been to ________
A) decrease the amount of carbon dioxide in the atmosphere
B) increase the amount of carbon dioxide in the atmosphere
C) increase the rate at which carbon dioxide is incorporated into organic material
D) decrease the rate of carbon dioxide production through cellular respiration
B
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Use the following commercial to answer the question(s) below: A recent commercial advertised for a wristband that claimed to restore health and balance by taking advantage of natural frequencies of your biofield. It supports its claim by showing several people first struggling to balance without the wristband and then balancing fine with the wristband.Why should you be skeptical of the claims made in this commercial?
A. It was not a controlled study, but rather an anecdotal evidence. B. Health cannot be tested via the scientific method. C. The study was too objective. D. You cannot believe anything you see on television.
The random assortment of chromosomes at anaphase I accounts for a large amount of the _________ within a species.
a) biochemical inhibition b) genetic forbearance c) genetic variability d) genetic uniformity e) stability
Select the best process listed below for each of the following statements. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement.
A. Homologous sets of genes ABCDEF and AEDCBF are located on homologous chromosomes. B. A small region of a protein from three species is sequenced and found to be as follows:species X is alanine, glycine, glycine, threonine, alaninespecies Y is alanine, glycine, threonine, alaninespecies Z is alanine, glycine, glycine, threonine, alanineThe difference in the amino acid sequence of species Y is most likely due to this. C. The nucleotide sequences of homologous regions of DNA of two species are AATGCCCCGTTA and AATGCCCCGCTTA. If this is not the result of a nucleotide base-pair addition, then it is most likely the result of this. D. E. Homologous sets of genes ABCDEF and aBCdEF are located on nonhomologous chromosomes. Crossing over between them is suppressed because their locations are the result of this. F. Homologous sets of genes ABCDEF and ABCDEF are located on nonhomologous chromosomes. G. A small region of a protein from three species is sequenced and found to be as follows:species X is alanine, glycine, threonine, alaninespecies Y is alanine, glycine, threonine, alaninespecies Z is alanine, valine, glycine, threonine, alanineThe difference in the amino acid sequence of species Z is most likely due to this.
Some RNA viruses direct the synthesis of double-stranded DNA at some point in their life cycle.
Answer the following statement true (T) or false (F)