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1) You are conducting a mark-recapture study of a population of snouters. During your first sampling period you go out and catch/mark/release 141 snouters. You return to your snouter population 2 months later and catch 102 snouters of which 78 are marked. Please estimate how many snouters are in the population. Using this type of estimation technique, what assumptionshave you made about immigration, emigration, births,and deaths.2) Assume that for the snouter population rmax= 0.05, N as estimated above and K = 350.a - For this population, calculated N/dt based on the population estimate you did above modeling growth according to the exponential growth equation and what the population size will be one time interval into the future. For N use the estimate you obtained in #1 above. (Please realize that dN/dt is only the rate at which the population changes - you will still need to calculate the new population size)b - Please repeat 2a but this time calculate dN/dtusing the logistic growthequation and what the population size will be one time interval into the future. For N use the estimate you obtained in #1 above.c - How do these values differ and why?3) Please graph the following for the exponential growth equation when r>0. (You may have to do some algebra to figure these out.)dN/dt = y N= y 1dN/Ndt= y N =x t= x N= x
Natural selection raise the frequency of advantageous alleles. When a new allele is first created via mutation, it is at low frequency.
Assume you are purifying a protein on a weak cation exchanger and it comes off at 300mM salt. predict what salt concentraiton the protein would come off if you used a strong cation exchanger.
Generate a PowerPoint presentation of 10 to 12 slides that summarizes the processes of muscular movement, bone growth, and nerve transmission. Each process should be outlined in 2 to 4 slides. Include detailed speaker's notes that describe each proce..
Two consecutive crosses, with the first between pure-breeding parents that differ in two phenotypes to create an F1 generation, and the second in two F1 progeny to create an F2 generation.
For a different experiment you are increasing Saccharomyces cerivisiae instead of E.coli. The measured OD is 0.89.
Describe the role of proteins in the stabilization of RNA tertiary structure and explain the structural features that differentiate RNA from DNA.
Using information provided, what is the hydrogen/helium content inside a star that is the approximate age of our sun. what aspects are consequences of the evolutionary history of animals you are considering.
Describe the molecular events that generate the "dark current" in photoreceptor cells;define the impact of this cycle on the typical resting.
Biology Quiz: Using information at the CDC Influenza website, What is the most prevalent strain of influenza that is circulating in the 2012-13 flu season (Select one)?
The maltose transporter maltoporin spans the outer membrane of E. coli. It is comprised of 18 successive antiparallel Beta - strands arranged like the staves of a barrel to create a channel through the membrane.
The resting potential of a neuron is approximately -60mV. Neurons maintain this electric potential by maintaining a balance of ions inside and outside the membrane. Which of the following is the most significant factor in determining this balance.
The signaling mechanisms used by a steroid-hormone receptor and by an ion channel linked receptor have very few components. Can either mechanism lead to an amplification of the initial signal? If so, how? Ideas are included.describe an amplificati..
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