When two different species live in the same area and use the same limited resources which of the following will occur?
a. competition
b. succession
c. parasitism
d. industrialization
Answer: a. competition
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The primary structure of a protein
A) is important for determining the secondary and tertiary structure of a protein. B) is simply the order of amino acids from one end of the protein to another. C) is important both genetically and structurally. D) is the linear sequence of amino acids that are linked together by peptide bonds. E) all of the above
A group of interacting serum proteins that provide a nonspecific defense mechanism is
A. complement. B. interferon. C. glycoprotein. D. lysozyme.
Why must DNA fragments be denatured during the polymerase chain reaction?
A) Taq polymerase breaks down when heated. B) The repeated gene sequences are not present in double-stranded DNA. C) The primer must bind to a single-stranded template to synthesize double-stranded DNA. D) VNTRs have DNA sequences that vary in number.
All of the following are true for Euglenas except the following:
A. Unicellular B. Do not have a cell wall C. Move by flagella D. Move by cilia