Please list the sequential levels of protein structure:
What will be an ideal response?
Answer: Primary, secondary, tertiary, quarternary
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Agar is an excellent solidifying agent for microbiological media because
A. it is not degraded by most microorganisms and solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C are correct. B. it is not degraded by most microorganisms. C. solid agar remains solid until the temperature is raised to 90°C, and liquid agar remains liquid if the temperature is lowered to 45°C. D. agar provides an excellent source of nutrition for a variety of different microorganisms.
In spite of the benefits offered by genetic screening for newborns, critics charge that patients' ____________________ rights are violated because the programs are mandatory
Fill in the blank(s) with correct word
Viruses are important in the study of cell biology because
A) they cause disease. B) they are the simplest form of cellular life. C) they are used as model organisms to study molecular biology and genetics. D) they cause disease and are used as model organisms to study molecular biology and genetics. E) they are the simplest form of cellular life and are used as model organisms to study molecular biology and genetics.
Which of the following statements concerning the biochemical oxygen demand (BOD) is CORRECT?
A) It is a measure of the amount of oxygen in water. B) It is proportional to how potable water is. C) It is used as a bioreceptor index. D) It is a measurement of the amount of oxygen that aerobic bacteria require to decompose organic wastes in water. E) It is a filter system to purify drinking water.