Arrange the following from the ecosystem with the smallest average NPP to the ecosystems with the
largest NPP.
1) Lake
2) Savanna
3) Estuary
4) Tropical rain forest
5) Open ocean
a. 1, 2, 3, 4, 5
b. 2, 1, 4, 3, 5
c. 2, 1, 5, 3, 4
d. 5, 2, 1, 3, 4
e. 5, 1, 2, 3, 4
E
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What will be an ideal response?
A student carries out PCR using the following steps: Step 1: 94°C for 1 minute Step 2: 60°C for 30 seconds Step 3: 72°C for 30 seconds Which of the following lists the CORRECT terms for these three steps?
A. denaturation of the double-stranded template, extension of the new DNA molecules, primer annealing B. degradation of the template, primer annealing, extension of the new DNA molecules C. denaturation of the double-stranded template, primer annealing, extension of the new DNA molecules D. denaturation of the double-stranded template, extension of the new DNA molecules, hybridization of the template E. hybridization of the single-stranded templates, primer annealing, extension of the new DNA molecules
Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
What will be an ideal response?
Attached earlobes are recessive to free earlobes. What genotypic ratio is expected when an individual with attached earlobes mates with an individual heterozygous for free earlobes?
A) 2:1 B) 1:1 C) 1:2:1 D) 3:1