Alterations in the ionic charges of the acidic and basic groups of the enzyme change the shape of the enzyme. In rabbits the white color is due to a recessive allele, w, and the agouti is due to a dominant all, W.
This disorder occurs with equal frequency in males and females. A new population was created by crossing 51 pure breeding homozygous dominant individuals with 49 pure breeding homozygous individuals. Do the following with reference to the Hardy-Weinberg model. The enzyme is then encapsulated in a transport vesicle.
Extracellular enzymes are produced in the cell then packed and secreted from the cell, Extracellular enzymes caralyse their reactions outside the cell. Site of Enzyme Synthesis Since enzymes are made of proteins, they are synthesised by ribosomes. The mechanism of action of restriction enzymes.
Deviations from the optimum pH decrease the rate of reaction because bonds maintaining the tertiary shape of the enzyme are broken. Explain how a mutation could cause this inability to digest starch.
Describe the results you would expect from the electrophoresis separation of fragments from the following treatments of the DNA segment above. Maltase, for example, acts only on maltose.
As temperature rises, its activity increases until the optimum temperature is reached. Describe the modern theory of evolution and discuss how it is supported by evidence from two of the following areas.
Factors afftecting enzymes 1. The different results you would expect if a mutation occurred at the recognition site for enzyme Y. Describe a procedure by which this can be done. Birds of prey and DDT. Explain the purpose of each step of your procedure.
Explain how these alleles are distributed by the process of meiosis to gametes. Include in your discussion a sample cross es sufficient to verify your proposed pattern.
An organism is heterozygous at two genetic loci on different chromosomes.
Include in your answer a discussion of how the different types of RNA function in this process. Indicate the conditions under which allelic frequencies p and q remain constant from one generation to the next.Sep 04, · Latest Module – SPM Biology Excel Essay Module (Form 5) Dear teachers and students, Assamualaikum and Hi everyone, Here is the latest module that can be downloaded through the following link.
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