In the absence of dietary carbohydrates, bacteria do not cause tooth decay.
Answer the following statement true (T) or false (F)
True
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What is the key concept addressed by the question?
What will be an ideal response?
In a certain plant, when individuals with blue flowers are crossed with individuals with blue flowers, only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although
other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is dominant? What will be an ideal response?
If there were a high allele frequency for the CCR5-32 coreceptor, and the rate of infection with HIV was high as well, one would expect the frequency of the CCR5-32 coreceptor allele to ________
A) remain the same due to the lethality of AIDS B) remain the same due to the population maintaining Hardy-Weinberg equilibrium C) fall quickly due to heterozygote selection D) rise quickly and confer resistance on a large part of the population
By analyzing the chemical formulas, you can determine that this molecule, CH3CH(NH2)COOH, is a(n) ________, whereas the molecule C5H10O5 is a(n) ________
A) cholesterol; amino acid B) amino acid; sugar C) nucleotide; glycerol D) fatty acid; sugar