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Hexokinase is an important enzyme in the metabolism of glucose. If the concentration of hexokinase in our eukaryotic cell is 20 um, how many glucose molecules are present per hexokinase molecule?


Critically describe the relationship between cells, tissues, organs and organ system
When approaching denatures the hydrogen bonds are broken. What levels of protein structure would this affect choose all that apply.
A. 1°
B. 2°
C. 3°
D. 4°
What is the difference between squamous cells observed in a wet mount and
those in stained preparations?
provide an example of a molecular and function that is transferred using endocytosis and exocytosis

The human body has many organ systems which help it function. Which of these correctly lists a system that has been organized from LEAST to MOST complex organization?

  • Integumetary system --> skin cell --> hair --> sweat glands
  • Lung tissue --> trachea --> nose --> circulatory system
  • Muscle cell --> muscle tissue --> biceps muscle --> muscular system
  • Heart --> cardiac muscle --> muscle tissue --> muscle cell

Most cells in our body need to use glucose to produce energy by cellular metabolism. This means that there would be more glucose outside of a cell than inside the cell, encouraging the diffusion of glucose into the cell.


to diffuse in to the cell, can the glucose molecules move by simple diffusion (through gaps of phospholipids)? explain your choice


In fruit flies, short wing is dominant to long wing. What are the genotypes and phenotypes of offsprings between two heterozygous short winged flies?


Describe the actions of our immune response. what is an antigen? what does it do?


Oxyhaemoglobin and Oxymyoglobin are placed at PO2 100 mm of Hg , which will lose O2 first?
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