Which of these is a karyotype?
A) a display of all of the cell types in an organism
B) organized images of a cell's chromosomes
C) the appearance of an organism
D) a display of a cell's mitotic stages
B
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Which technique can most accurately quantify RNA and determine levels of gene expression?
a. RNA-seq b. microarray analysis c. Illumina/Solexa sequencing d. alignment searches e. Sanger sequencing
What is the relationship between the promoters for antisense RNA and the promoters of their target genes?
A) The promoters are oriented so that they transcribe opposite strands of the same segment of DNA. B) The promoters are found in different chromosomal regions but are controlled by the same sigma factors. C) The sense and antisense RNAs use the same promoter, both RNAs are produced from a single transcript that is processed. D) The sense and antisense RNAs are transcribed using the same promoter that is bidirectional.
If you wanted to obtain the greatest amount of energy possible from your diet and were NOT concerned with any other aspects of diet which of the following should you do?
A. Eat a diet high in fats. B. Eat a diet high in protein. C. Eat a diet high in vegetables. D. Eat a diet high in starches and other carbohydrates.
Which most completely describes the circumstances under which yarrow will alter its phenotype?
A. Temperature, soil conditions, and water conditions B. Soil conditions only C. Being produced by sexual versus asexual reproduction D. Water conditions only E. Asexual reproduction, soil conditions, and water conditions