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1) Why is the Hardy-Weinberg law useful?
2) Define genetic drift.
3) What factors influence the mutation rate of a population?
4) Briefly explain the difference between stabilizing selection, directional selection, and disruptive selection.
5) Why are layers of sedimentary rocks particularly useful for geochronology?
6) Choose three biomes and briefly describe their characteristics (including climate, common organisms, etc).
7) What is the difference between an ecosystem and a biome?
8) What is the role of primary consumers in a food chain? Give an example of a primary consumer in a terrestrial and an aquatic ecosystem.
9) What are niches and competitive exclusion?
Once apoptosis starts, a detachment takes place in extra cellular matrix. This is calleda. In which organelle translation takes place inside the cell?
Show diagramatically the effects of inbreeding (assume each genotype only mates with itself) on the allele frequencies of two alleles of the same gene over 3 generations. The starting genotype frequencies are AA=0.25, Aa=0.5, and aa=0.25. Summariz..
In cattle, coats may be solid white, solid black, or white and black spotted. When true breeding solid whites are crossed to true-breeding solid blacks, the F1 generation consists of all spotted individuals.
Given the importance of fumarase to the citric acid cycle how is it likely for people with fumarase deficiency to produce adequate ATP for survival?
A certain instant camera determines the distance to subject by sending out a sound wave and measuring the time required for the wave echo to return to the camera. How long could it take the sound wave to return to the camera if the subject were 2.68 ..
A cross is made between individuals of genotypes AA : bb x aa : BB. The F1s are then testcrossed. The following data is obtained.
q1. genes aa and bb are linked and known to be 20 map units apart. individuals heterozygous for both of these genes
q1. explain why it is essential that metabolism be regulated and indicate how it is regulated give examples. reply must
Suppose after washing your hands, you leave ten bacterial cells on the new bar of soap. You next decide to do a plate count of the soap after it is left in the soap dish for 24 hours. You dilute 1g of the soap 1:10 and plate it on a standard plate co..
Show the lines of current flow to unexcited parts of the cable. Elucidate how these local currents cause the action potential to propagate. A common mistake is to confuse the currents that flow throughout the action potential the voltage-clamp curren..
q1. variations on mendelian theme - biogugs -eye colour amp number red - 3 purple - 6 blue -3neck piece number - 8 7
Several of the cells hydrolytic enzymes are located in the lysozyme where the ph is five. What would you expect to be the optimum pH for these enzymes,
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