Viruses are generally measured in
A) nanometers.
B) millimeters.
C) micrometers.
D) centimeters.
E) decimeters.
A
Bloom's Taxonomy: Knowledge
Section: Units of Measurement
Learning Outcome: 4.1
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There are four common alleles of the gene that controls human blood type. Indicate whether the statement is true or false
Which of the following statements about enzymes is FALSE?
The active site of the enzyme is where the chemical reaction takes place. The substrate binds to the enzyme with low specificity. The enzyme undergoes a conformational change that brings substrates closer together in an induced fit. The optimal activity of an enzyme occurs over a narrow temperature range. The optimal activity of an enzyme occurs within a narrow pH range.
The sugars in DNA and RNA ____.
A. have a different number of carbon atoms B. have the same structural formulas C. are the two components of sucrose D. have different numbers of oxygen atoms E. are disaccharides
In a population of purebred cats, over 75% of the alleles present can be dated back to just 16 individuals belonging to a cat breeder from the late eighteenth century. Based on this, what statement(s) about the cat population are accurate?
A. Mutations rates will be higher in the purebred cat population than in most domestic cat populations. B. Rapid evolutionary change will be seen in the purebred cats over time. C. Further evolutionary change in the purebred cats is unlikely. D. Very little genetic variation exists in the purebred cats. E. Inbreeding has led to high levels of genetic variation in the purebred cats.