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Q1. Data suggest that rubisco (ribulose-1, 5-bisphosphate carboxylase) makes up 10 percent of the total protein found in spinach leaves. Research elucidating the structure of rubisco shows that it has four active sites. Why, with four active sites, might there be such a large concentration of rubisco in plant matter?
Rubisco catalyzes four of the six reactions found in the Calvin cycle.
Three of four active sites bind carbon dioxide; only one binds ribulose-1, 5-bisphosphate.
Rubisco is a very slow enzyme; what it lacks in speed, it makes up in numbers.
All heterotrophic organisms depend on plants, either directly or not directly, for their food supply.
Q2. What is anatomical variation of the GIT of carnivores, omnivores and non-ruminant herbivores and relate morphological variations with their diet and environment.
Which groups of foods are underrepresented or overrepresented in your diet? If you did not consume the recommended number of servings from each group, explain why. Propose how you might consume the recommended number of servings from each group in th..
Acetylcholine acts at the G-protein-linked receptor on heart muscle to make the heart beat more slowly by the effect of the G protein on a K+ channel. Which one or more of next would enhance this effect of acetylcholine.
The Neurospora cross was made between a strain that carried mating type A and the mutant allele arg-1(arg) and another strain the carried mating-type a and the wild type arg-1 (+)gene
At another locus, sepia eyes are inherited as an autosomal (non sex linked) recessive. The presence of the white eye phenotype (x superscript w x superscript w in females, x superscript y in males) masks sepia phenotype, so regardless of the sepia ge..
A patient lost a lot of blood during surgery and his blood pressure dropped from 120/80 to 90/50. Describe how the kidneys respond to this change in blood pressure.
He says that the mere presence of DNA is not sufficient to prove the point: his cells may have adopted DNA as a useful molecule quite independently of all other known life forms. What would you do to convince him that he was wrong.
Which of the next statements is untrue of the light reaction in photosynthesis.
How many pairs of genes regulating tail length character. Adding of H+ or OH- to a reaction increased its overall rate indicating the rate limiting step was the addition of H+ or OH- to the intermediate. Is this really true? Why or why not.
What techniques might be used to characterize the structure and composition of the structure. Which of the follow will the nurse include in her teaching plan for this patient.
What is the phenotypic ratio you would expect to see in the F2 generation if you were following a sex-linked trait? An autosomal trait? Two autosomal dominant characters (dihybrid cross).
What is the most common agent of UTIs . The pool regularly becomes infested with disease-causing viruses and bacteria. Which species are more possible to thrive in the changing environment.
Lakes would suffer a nutrient depletion in surface layers. Evaluate the sizes of the different digestive organs in the earthworm. Which organ is the main? How does its size make it well suited for its function.
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