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1) Explain how biological diversity contributes to speciation. Include in your answer; reasoning for conservation of biodiversity.
2)Why is variation within a species necessary for evolution to occur? Use an example to support your answer?
True or False. Please explain briefly why, you choose true or false?
1) When evolution occurs we would expect different regions with similar enviornments to all contain the same mix of plants and animals.
2) Artificial selection is not an evolutionary mechanism.
3) The effects of mutations on the evolutionary success of organisms are always unfavorable.
4) in divergent evolution, two or more species grow closer together in behaviorand other traits.
5) The theory of punctuated equilibrium is accepeted as the correct explanation for the pace of evolutionary change.
Dozens of potato varieties exist, differing from each other in potato-tuber size, skin colour, flesh colour, and shape. One might construct a classification of potatoes based on these morphological traits. Which of these criticisms of such a classifi..
Myosin action differs from that of kinesin in that one of the kinesin heads is always in contact with a microtubule, whereas both myosin heads become completely detached from the actin filament.
Create a Dichotomous Key using the following Bacteria. You are only allowed to use the characteristics listed in organizing your Dichotomous Key.
On an autosome, genes A and B are twenty map units apart. An AABB male mates with an aabb female. Determine % of the gametes produced by their hybrid offspring will be Ab?
NADH is too big to get across the mitochondrial membrane without a huge expenditure of energy. Therefore it's electrons and proton must be picked up and shuttled across the membrane to an NAD or FAD inside the mitochondrion.
Specify whether the taste of fresh water surprised you or not? Explain if your perception of coarseness change or not?
List in chronological order five major discoveries or developments in molecular biology and bioinformatics since the early 1950's, which you consider responsible for the current state of these fields. Provide a brief explanation for each of your c..
How does an enzyme perform such selective activities on different substrates.
Suppose if the demands for O2 and CO2 are the same in either body position, should tidal volume and breathing rate be affected by body position?
Describe in detail the three phases of hemostasis. How could a lack of a vitamin K injection at birth lead to increased bruising and hemorrhage?
A colloidal system is stable in the absence of polymer. A small amount of polymer is added and the colloidal particles coagulate but if a large amount of polymer is added they redisperse.
A man and a woman are both carriers for 2 autosomal recessive disorders, PKU and cystic fibrosis. If they have a daughter, what is the possibility that she will have PKU but not cystic fibrosis.
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