Lactic Acid and Cavities
What will be an ideal response?
Lactic acid bacteria
•Aerotolerant anaerobes
•Glucose à pyruvate à lactate through fermentation
•High sugar intake = lactate secretion = fast tooth decay
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Four of these statements about conifers are true. Which one is the exception?
a. They form seeds in female cones. b. They have needlelike and scale-like leaves. c. They have a thick cuticle. d. They have motile sperm. e. They are mostly evergreen.
What consequences could arise if the field of bioinformatics ceased to exist as a field of study?
A. Many cures for genetic disorders would not be discovered. B. The creation of new transgenic plants, animals, and bacteria that benefit society would not occur. C. Progress in determining the function of DNA sequences, making comparisons between our genome and other model organisms, and understanding how genes and proteins interact with cells would stop. D. All of these are consequences if the field of bioinformatics ceased to exist as a field of study.
From a karyotype, you could tell all of the following about the cell except whether
A. there were three copies of a chromosome present. B. one chromosome was missing. C. a translocation had occurred between two chromosomes. D. a fusion of two chromosomes had occurred. E. a particular gene contained a mutation.
The hormones of the birth control pill shut down (directly) the
a. anterior pituitary b. posterior pituitary c. ovary d. corpus luteum