You are told that a gene that codes for green hair can be found at position 3 on chromosome 6. You have been given the gene's:
A) allele.
B) locus.
C) type.
D) genome.
E) language
B) locus.
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If citrate levels are high in the cell, but ATP levels are low, what do you think will happen in the cell?
A. In the presence of glucose, glycolysis will run to generate energy for the cell, but the Krebs cycle will be inhibited. B. Glycolysis will be inhibited, but the Krebs cycle will be functional, allowing it to be utilized to breakdown acetyl-CoA generated from beta-oxidation. C. The electron transport chain will be inhibited, causing a build-up of NADH and FADH2. This will inhibit the Krebs cycle, but in the presence of glucose, glycolysis will still run coupled with fermentation to regenerate NAD+. D. Glycolysis and the Krebs cycle will both be inhibited, thus under these conditions there will be no mechanism to generate ATP.
Homologous chromosomes pair with each other during meiosis, but are misaligned. What is the likely outcome if crossing over occurs?
A. One daughter chromosome contains a gene duplication, the other three are normal. B. One daughter chromosome contains a gene deletion, the other three are normal. C. Two daughter chromosomes contain a gene duplication, the other two are normal. D. Two daughter chromosomes contain a gene deletion, the other two are normal. E. One daughter chromosome contains a gene duplication, one contains a gene deletion, and the remaining two are normal.
Two boys are on a camping trip and need birch bark to start their cooking fire. They cleanly remove a six-inch strip of bark from around the entire circumference of the trunk. Explain what eventually will happen to this tree
What will be an ideal response?
Which of the following factors would make the strongest contribution to global climate change?
A. over-harvesting of wild species for consumptive value B. large-scale deforestation C. an increase in soil erosion leading to siltation of rivers and estuaries D. disruption of the waste recycling by decomposers E. drainage of wetlands producing a disruption of water purification