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Discuss the merits and shortcomings of rank-abundance plots as a tool to understand the ecological processes acting on communities.
a. Movement of fluid through the vascular tissue of plants is often expressed using water potentials. What does the negative sign tell you about a cell's water potential? b. What two processes or e
Amoeba: What is the position of the contractile vacuole relative to the advancing pseudopodium?
What two parameters of branching influence glycogen's structure? Why and how do they need to be optimized?
What is peculiar about the activation of glucose for the glycogen synthase reaction? Why is it important, from the thermodynamics point of view?
Karl von Frisch studied the interactions between bees and flowers. He wanted to know how bees select which flower to go to. In particular, he wanted to know whether the bees could see different flow
Why would an abnormally low ATP concentration in the red blood cells lead to a shortened eryrthocyte life span?
Question 1: Which human chromosome is the longest sex chromosome? Question 2: How many C chromosomes will an individual with turner syndrome Have?
Order the structures of DNA from least to most hydrated. What form is favored by high salinity and why?
What disease is caused by the bacterium Mycobacterium tuberculosis ? describe how an acid fast stain of sputum sample would appear in person with Mycobacterium tuberculosis? what color would human a
What do only the Acid fast stain and endospore stain have in common? explaim why this step is necessary in both staining procedures.
Question 1: With age, hair thins in the scalp and coarsens in the ears, nostrils and eyebrows, especially in males. Why? Question 2: Please explain the progression in protein structure from the primar
Question 1: what is meant by counterstain?Give 2 examples? Question 2: which stans remain in a gram positive cell during a gram stain?why?
what specimen preparation best shown motility and why ?what stain technique implies motility.
Question: How many chromosomes and chromatids are present in each of the stages of mitosis? Question: How many chromosomes and chromatids are present after meiosis I? meiosis II?
Explain the main steps in the energy harvesting process for both molecules and how they relate to the differences in ATP produced.
Cyanide poisoning causes a type of hypoxia by inhibiting cytochrome c oxidase, which is the very last protein in the electron transport chain.
Some animals cannot regulate their body temperature, such as some fish species, but spend times in cold and warm waters.
According to the laws of thermodynamics, when the leaves in a compost pile decay: A) what happens to the mass of that pile of leaves? B) What happens to the energy contained in those leaves?
Explain how can cells perform endergonic reactions (those that need energy in order to proceed). Explain the function of ATP in the cells.
The phytoplankton in the ocean have a profound influence on the balance of carbon dioxide and oxygen in the atmosphere.
Question 1: Explain what macromolecules are comprised of polypeptides Question 2: Why does water move in different osmoralities?
Question 1: Why is it essential to ensure the use of sterile equipment during plating and selecting colonies? Question 2: Give an example of a reason why one might want to clone DNA.
Question 1: What happens when plates are incubated for long hours at 37 degrees? Question 2: What is the importance of adding kanamycin to the growth media.
Question 1: For the biological diversity is mitosis or meiosis the more important process? Question 2: What is the difference between sexual spores and gametes? Do humans present sexual spores or game