What two hormones interact to maintain normal levels of blood glucose?
A. Oxytocin and vasopressin
B. Epinephrine and norepinephrine
C. Glucagon and insulin
D. Cortisone and testosterone
E. LH and FSH
Answer: C
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Which of the following is not true of nucleic acid and protein structure?
A. Nucleotides are connected through phosphodiester bonds. B. Both proteins and nucleic acids are unbranched polymers. C. When several nucleic acids are joined together, a polypeptide is formed. D. The chemical composition of a nucleic acid helps determine its structure. E. The chemical composition of a protein helps determine its structure.
The movement of alleles from one population to another is called population flow
Indicate whether the statement is true or false
You are interested in a eukaryotic protein involved in immunity, and you are attempting to express this protein in E. coli in order to produce large amounts of the protein
You have identified the gene and place a copy of the gene on a plasmid in E. coli next to a bacterial promoter sequence. You determine that lots of mRNA is made from your gene in your E. coli system, but the protein produced is larger and doesn't have the same properties as the eukaryotic protein you expected. What mistake have you made and how can you fix it? What will be an ideal response?
The prokaryotic DNA is located in the
A. capsid region. B. pili region. C. nucleoid region. D. peptidoglycan region. E. endospore region.