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Q1. We estimate the size of a population of small mice in a particular field by the mark-response method. Our estimate is 350. Later, we learn from experiments on the behaviour of these mice that they can locate a baited trap faster if they have already been rewarded with food by visiting that trap once before. Does this mean that our original estimate of 350 individuals was too low or too high? Give details the answer in terms of the principles that underline the mark recapture method.
Q2. Lack of iron in photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?
When water containing impurities is forced against a filter that allows only water through, the process is called reverse osmosis".
List 3 benefits of microorganisms and 3 good things that will happen if we eliminated all microorganisms from the Earth.
In a Drosophila virilis salivary gland cell before endomitosis, how many copies of each gene are there in the cell? At the end ofendomitosis, how many copies of each gene are there in the cell?
Aneuploidy can come about from the abnormal segregation of chromosomes called non-disjunction during meiosis. Describe and illustrate using chromosomes and a gene marker. Write the structual formula for salicylic acid.
in snap dragons, yellow flower is not completely dominant over white, the heterozygous condition produces pale-yellow flowers. what will be the the result of a cross between two pale-yellow flowered plants
Consider a simple model cell that consists of cytoplasm surrounded by a cell membrane. The cell's initial volume is 3 nL and contains 0.3 M protein and 0.2M Ca++. The cell is placed into a 500mL tank of 0.1 M calcium chloride. Neither Ca++ nor Cl-..
Write a one to two page essay discussing the classification of viruses with the 6 kingdoms of life. Which kingdom, if any, do they belong in? Why do they belong or not belong there?
How many ATP equivalents (assuming GTP=ATP) are produced by the complete oxidation of acetoacetate to CO2 and water?
Chris and Kassie are working in a research lab and are hoping to study the movement ofribosomal subunits through the nuclear pore complex. Which microorganism would they most likely choose as their model organism?
What are some functions and characterisitcs that differentiate TH-1 cells from TH-2 Cells? Which cell types would they regulate and their antibody that would be produced if their response was regulated by that specific T-Helper population?
what is an advantage to being a specialist? what is a disadvantage of being a specialist?
what are the methods bacteria use to take up foreign DNA.
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