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Lysosomes are single membrane-enclosed, 0.2-0.5 m-diameter spherical vesicles inside the cytosol of eukaryotic cells. They contain digestive enzymes used for controlled hydrolysis of targeted cellular components and materials entering cells by phagocytosis and pinocytosis. The pH inside lysosomes is about 5 versus near neutrality for the surrounding cytosol.a. What is the concentration of H+ inside lysosomes?b. How many times more concentrated are the protons inside lysosomes compared to cytosol? c. Assuming you start with neutral lysosomes, how many protons must be transported intoeach to lower the pH to 5.0? (Your answer should be a range of values, reflecting the range in size of lysosomes.)
Discuss and explain the role of Maternal Affect Genes, Gap Genes, and Pair-rule genes in the anterior-posterior patterning of the Drosophila embryo.
Review the DNA of the Phenylalanine hydroxylase (PAH) gene in a patient with phenylketonuria revealed a mutation in the protein coding region whose forecasted effect would be to replace the amino acid aspartic acid.
The internal structure of the cells of many protists is much more complex than cells of multicellular organisms. Does this mean that protists is engaged in more complex activities than muticellular organisms?
Many processes are involved in creating the Resting membrane potential.” Describe the ion and concentration FORCES or PROCESSES that are involved in determining the resting membrane potential.
The Carboniferous swamps were dominated through several extinct relatives of seedless vascular plants. Surviving taxa of these groups are rather small in size compared to their gigantic relatives.
Import or export of solutes (chemiosmotic work) turning the flagellar motor (mechanical work) Synthesizing ATP via the F0F1 ATPase (chemical work; discussed next lecture) how is this energy generated or replenished.
The grain triticale is a hybrid plant with 2-haploid sets of chromosomes. Suppose if triticale is chemically induced to become tetraploid and Create a hypothesis contain the highest biodiversity
Would you expect the measurements to be equivalent in both preparations? If a variation in size is expected, how will you account for this difference.
A prison guard states that an inmate threw and unknown liquid on him. This is a felony charge of harassment. In order for this charge to be prosecuted, you must show a bodily fluid was thrown on the guard.
Assume you are walking on the beach when you step on a shell and cut your foot. 4-cells of Vibrio vulnificus bacteria are transferred from shell and deposited deep inside the cut.
define the correct sequence of events in the synthesis.
An enzyme catalyzes a reaction with a Km of 7.00 mM and a Vmax of 4.40, Compute the reaction velocity, v0, for the following substrate concentrations.
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