The shape of a protein is determined by
A. the sequence of amino acids.
B. chemical bonds between amino acids.
C. temperature and pH.
D. All of the above are correct.
Ans: D. All of the above are correct.
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A thin layer chromatogram is useful for
(a) measuring the amount of photosynthesis. (b) determining the amount of gas produced during photosynthesis. (c) separating pigments based on their physical characteristics. (d) determining the presence of sugars in a leaf.
Darwin was probably influenced most by which of the following when developing his theory of
evolution?
a. Scala Naturea b. Catastrophism c. Uniformitarianism d. Taxonomy e. Vestigial structures
Which eukaryotic organelles likely arose from symbiotic relationships between larger cells and bacteria?
a. nuclei b. endoplasmic reticulums c. vacuoles and chloroplasts d. mitochondria and chloroplasts e. mitochondria and Golgi complexes
The following are four processes common to most cloning experiments:
i) transforming bacteria ii) plating bacteria on selective medium iii) cutting DNA with restriction endonucleases iv) ligating DNA fragments Place the components of this list in the order in which they would most likely occur during a cloning experiment. A) ii, iii, i, iv B) iii, iv, i, ii C) iv, i, iii, ii D) ii, i, iv, iii E) i, ii, iii, iv