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Q1. a. what is the ecological succession in terrestrial ecosystem?
b. what are the stages of ecological succession in terrestrial ecosystem?
c. what are their functions?
Q2. a. A cell with a 5 percent concentration of salt in it is placed in a solution with a 15 percent concentration of salt. Imagine that the cell is permeable to water but not to salt.
b. What will happen to this cell?
How are excess salts that accumulate in cells transferred to the blood stream so they can be removed from the body? Be sure to explain how this process works in terms of tonicity.
The probability that a baby will be a boy is ½ as is the probability that a baby will be a girl. Explain this fact by explaining the mechanism of meiosis in the production of gametes and the process of fertilization.
Insulin insensitivity results in a variety of side effects for the body. Describe how insulin insensitive leads to the accumulation of ketone bodies and high ammonia levels.
A hypothesis may paint a wonderful evolutionary picture. Why must all hypotheses be tested in evolution?
Give an example of an autosomal trait and explain the phenotype and genotype. Then give an example of a sex-linked trait and explain the basis of sex-linked traits. (Why does it not follow Mendelian genetics?) Please provide a detailed answer.
briefly describe the process of DNA replication, briefly describe what happens during transcription and briefly describe the process of translation?
Explain the differences in population growth patterns of the two paramecium species. What does this tell you about how Paramecium aurelia uses available resources.
The pKa of that basic functional group on the enzyme is 8.0, and is the only pKa apparent on a plot of kcat vs pH for the activity of this enzyme. The kcat of the fully active form of the enzyme is 1 X 10 ^5 sec^-1.
which involves the breakdown, transport, and use of fats and cholesterol in the body. What causes this particular disease and why is it thought to be a membrane-related disorder
Explain the plant life, animal life, and geology of the ecosystem in the area in which you live. What populations and communities are there? How dependent is your community on this ecosystem? What are the limiting factors of ecosystem.
A certain cell, which is surrounded of an extracellular, hypertonic environment, needs to move a molecule of sucrose out of the cell. What type of transport mechanism would it use?
Even though adult sponges do not relocate, why can the species still be considered motile? What is the advantage to the species?
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