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Q1. Two intracellular molecules X and Y are both normally synthesized at a constant rate of 1000 molecules per second per cell. Molecules X is broken down slowly: each molecule of X survives on average for 100 seconds, Molecule Y is broken down 10 times faster, each molecule of Y services on average for 10 seconds.
Compute how many molecule of X and Y the cell contains at any time.
Q2. The breakdown of sucrose into the simple sugars fructose and glucose is an exergonic reaction. Sucrose is quite stable, and left on its own at room or even human body temperature, breakdown occurs very slowly. The enzyme sucrase catalyzes conversion of sucrose to glucose and fructose, increasing the reaction rate as a minimum one-million-fold. How does the net amount of energy released during the breakdown of sucrose compare between spontaneous reactions and catalyzed by sucrase?
Ion concentrations have a impact on whether there is dissolution of minerals. Microorganisms can alter the charges on their cell surfaces to enhance these processes.
Innate and adaptive immunity act in cooperation and interdependence. Discuss the cooperation of these two forms of immunity in specific terms.
Apoptosis and the Hayflick limit and their relationship to cancer formation
Two statements that introduce the problem that your hypothesis is addressing. This problem may have to do with specie introductions, or pollution, or a question of natural history strategies, etc.
Acetylcholine binds this membrane protein, which subsequently opens to allow sodium to enter the cell. Acetylcholine exerts its effect on what kind of transport protein.
Some fungi cells complete mitosis however they do not complete cytokinesis. This would result in A) large nuclei containing many chromatids B) large cells containing lots of nuclei C) many cells each containing one nucleus D) daughter cells identical..
q1. why is the sympathetic division of an autonomic nervous system active just before the race?what changes do you
Diagram and describe what happens to loci and alleles during sexual reproduction (meiosis & syngamy) and explain how this relates to Mendel's laws and gene linkage.
q1. what is the pathological break or a result of trauma when a person has a broken bone that resulted in a broken hip?
If you need to determine the position of A nucleotides in DNA using dideoxysequencing, you need to include a primer and ddATP in addition to 4 dNTPs for DNA extension. If you need to detect as long of a sequence as possible, you should include a r..
The transfer of electrons from one molecule of NADH to H2O via the electron transfer chain results in the net movements of 8 protons from the mitochondrial matrix into the intermembrane mitochondrial space.
List five factors that might influence the rate of oxygen (or carbon dioxide) production or consumption in leaves. Explain how you think each will affect the rate.
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