What is the possible cause of the excessive growth

Assignment Help Biology
Reference no: EM136854

Q1. Johnny, a 5-year-old boy, has been growing by leaps and bounds; his height is 100 percent above normal for his age. He has been complaining of headaches and vision problems. A CT scan reveals a large pituitary tumour.

1) What is the possible cause of the excessive growth?

2) What condition will Johnny exhibit if corrective measures are not taken?

3) What is the probable cause of his headaches and visual problems?

Q2. Suppose the diameter of the field of vision in your microscope is 2mm under low power. If one Bacillus cell is 2 micrometers how many Bacillus cells could fit end to end across the microscope? How various 10 micrometers yeast cells could fit across the field?

Reference no: EM136854

Questions Cloud

Find out the gametes produced by this rabbit : A male rabbit with genotype GgBb. Find out the gametes produced by this rabbit (the sperm would have these combinations of alleles) Hint there are 4 combinations.
Which would represent the yeast cell response : During exposure to elevated glucose, a yeast cell's membrane glucose transporters will rapidly increase so the cell can import glucose. Which would represent the yeast cell response.
Can genotype for a gray-bodied fly be determined : In a population of 1000 individuals, 510 show the dominant phenotype. How many individuals would you expect of each of the possible three genotypes for this trait.
How much more energy would the sun emit per second : Suppose the Sun had a temperature of 17,400 K (three times its present temperature) but was the same size it is now. How much more energy would the Sun emit per second.
What is the possible cause of the excessive growth : Suppose the diameter of the field of vision in your microscope is 2mm under low power. If one Bacillus cell is 2 micrometers how many Bacillus cells could fit end to end across the microscope? How various 10 micrometers yeast cells could fit across t..
The use of dna testing could benefit society : Explain a species using criteria that are used to determine if two populations are the same species along with a discussion of the procedure of speciation with instance.
What is the function of a restriction enzyme : What is the fiber tract that provides for communication between different parts of the CNS called? And what is the one that carries impulses between periphery and CSN called.
Which means of transport would most likely be used : Beaker A contains 25 percent salt solution. A differentially permeable bag (permeable to water not salt) containing 50 percent salt solution is allowed to float on top of the solution in Beaker A. What will occur.
What proportion is expected to have green stems : If a double heterozygous plant were crossed with a plant that has green stems and red fruit, what offspring phenotypes would be expected and in what proportions.

Reviews

Write a Review

Biology Questions & Answers

  How organismal respiration and cellular are interconnected

How organismal respiration and cellular respiration are interconnected. While you visit him, his teeth are chattering, his skin is cool and clammy to touch, and he complains of feeling cold even though his room is quite warm. Elucidate his symptoms.

  How various molecules does one mole of table sugar

In maize, a dominant allele (A) is essential for seed color as opposed to colorless (a). Another gene has a recessive allele (w) which results in waxy starch, as opposed to normal starch (W).

  Which of these symptoms reflect left sided heart failures

Two intracellular molecules A and B are continually synthesised at a constant rate of 1000 per molecule per cell. Each molecule of A survives an average of 100 seconds. While each molecule of B survives an average of 10 seconds.

  What will be the expected effect on calcium levels

Examine the major stages of sea urchin development with reference to your series of detailed drawings and observational notes. How did the embryonic cells compare in size with the original gamete cells? State reasons such a difference may exist.

  What is this main component

After verifying that the protein complex was incorporated into liposomes, you put in NADH and incubate at 37°C. You are dismayed to view no color change in the pH indicator dye.

  What is the functionally key feature of the modification

A mole of an assured compound contains 207.7 g of lead and 32.00g of oxygen. Without doing any calculations, tell whether a formula Unit of a compound contains more atoms of lead or more atoms of oxygen. Explain in details.

  What will harold and kumar discover

Darwin understood how natural selection works in the presence of a population with many variant types. What does that variation consist of? How does variation arise? How does it spread during the population.

  Convert a proton gradient into atp

ATP-synthase is a large membrane-integral protein complex that produces ATP from ADP and inorganic phosphate. Describe the location of this complex in the cell; list its major parts and the subunits each part is made of. Describe how it is able to co..

  How might defective mitochondria lead to cancer

Suppose archaeologists discover human skeletal remains in Ethiopia. Examination of the bones suggests that the remains represent four types of individuals. Two of the skeletons have bone densities that are 30 percent less than those of the other two ..

  What amino acid is coded for normal dna sequence ctc

Sickle cell anemia is a disease of red blood cells in which the genetic mutation in DNA leads to a mutation in hemoglobin. A single base vary alters the DNA sequence CTC to CAC which codes for the wrong amino acid. What amino acid is coded for throug..

  How energy is transferred from sunlight to atp

Describe how these two processes are related between plants and animal based on rectants and products (water, carbon dioxide, glucose and oxigen) of both pathways.

  What is the structural connection between these two symptoms

If the horticulturist breeding gardenias succeeds in having a single plant with a particularly advantageous set of traits, which would be her most probable and efficient route to establishing a line of such plants.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd