Card 161
Question
What substance did Canadians Charles Best and Frederick Banting discover in 1922 while studying the pancreas of dogs?
Answer
Insulin
Biotechnology
Discover Biotechnology: 263 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
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Cards in this set
Card 162
Question
What was the first ingredient made via recombinant DNA technology?
Answer
Insulin
Card 163
Question
Which hormone activates phosphoprotein phosphatase?
Answer
Insulin
Card 164
Question
What are the noncoding sequences of DNA which are removed during RNA splicing?
Answer
Intron
Card 165
Question
What's the name of two enzymes that can perform the same function?
Answer
Isoenzymes
Card 166
Question
What does PCR stand for? Why is it used?
Answer
It is polymerase chain reaction (PCR) and used to "amplify" - copy - small segments of DNA.
Card 167
Question
Enzymes that catalyze transphosphorylation are called what?
Answer
Kinases
Card 168
Question
Name two fermentation sources of chymosin.
Answer
Kluyveromyces marxianus variety lactis, E. coli, Aspergillus niger
Card 169
Question
What is bovine somatotropin used for?
Answer
Known as BST for short, it is a bovine growth hormone used to increase milk production in cows
Card 170
Question
The Cory cycle transports what compound from muscles to liver?
Answer
Lactate (from muscles to liver, converted to glucose and returned to the cells)
Card 171
Question
In anaerobic metabolism, pyruvate can be converted into what two intermediates?
Answer
Lactate (lactic acid in muscle) and ethanol/CO2
Card 172
Question
Which enzyme is responsible for the conversion of pyruvic acid to lactic acid in fermentation?
Answer
Lactate dehydrogenase
Card 173
Question
In mammalian cells, when oxygen is not present, what enzyme produces NAD+?
Answer
Lactate Dehydrogenase
Card 174
Question
What are the 3 major end products of food fermentations?
Answer
Lactic acid, acetic acid, ethanol, CO2
Card 175
Question
A polypeptide antibiotic produced by some Streptococcus lactis strains is called what?
Answer
Lactostrepcin
Card 176
Question
What role does leptin play in the body?
Answer
Leptin helps regulate appetite/hunger and metabolism
Card 177
Question
A glycogen molecule that has been degraded to its branch points is called a?
Answer
Limit dextrin
Card 178
Question
What type of plant breeding breeds successive generations of plants among themselves?
Answer
Line Breeding
Card 179
Question
Gluconeogenesis occurs primarily in which organ?
Answer
Liver
Card 180
Question
Which two organs conduct gluconeogenesis?
Answer
Liver, Kidney
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