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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?
Both proto-oncogenes and tumor suppressor genes can interact with transcription factors involved cell division. Determine the fundamental difference in how the two function?
what are the source of biases in the four core techniques (quantitative realtime PCR, suppressive/subtractive hybridization (SSH), and expression screening this week) described in the lecture material?
An artificial cell containing 0.5 M glucose is placed in a beaker of 0.5 M NaCl. The membrane around the cell is permeable only to water.
A well-kept secret is that the Philly Phanatic is really an F1 organism, the product of a homozygous dominant father and a homozygous recessive mother. The alleles of interest are: G= green fur, g=pink fur, H= horn-shaped snout, h=violin-shaped sn..
Genes a and b are 20 cM apart. An a+b+/a+b+ individual was mated with an ab/ab individual. a.) diagram the cross and show the gametes produced by each parent and the genotype of the F1.
Which pathway supplies the carbon atoms in order to manufacture glycerol?
q1. a geneticist is examining the culture of fruit flies and discovers single female with strange spots on her legs.
Surface areas are important in biology because it constrain rates of transfer of light, heat, water, gases, food, forces, etc. Discuss and contrast the location, orientation and size of two surface areas.
What accounts for the difference in how the leading and lagging strands of DNA are synthesized? a. DNA polymerase can work on only one strand at a time. b. The origins of replication occur only at the 5' end. c. DNA polymerase can join new nucleot..
For each of the bags, identify whether the solution inside was hypertonic, hypotonic or isotonic in comparison to the beaker solution it was placed in.
What factors are considered in establishing recommended protein intakes?
q1. horn sporophytes are horn-shaped. horn possess gemmae. can undergo sexual reproduction. mosses what is the
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