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Quetion 1: How many ATP are formed when breaking down glucose without oxygen? and with? Question 2: When o2 is absent only glycolysis can break down glucose. in this casem, pyruvate gets converted to
Regulator units for genes may be located far away on the chromosomes. What are the regulator units called, what is the most common mechanism for turning them off?
Question 1: What is the graphical relationship between heart rate and power output? Question 2: Give an example of two variables that you would expect to be directly (positively) related to each oth
Question 1: How does the structure of a saturated fatty acid differ from an unsaturated fatty acid? Based on its structure, how does an unsaturated fatty acid affect plasma membrane fluidity? Questi
Which of the following molecular states has the highest energy? a) Substrate b) Enzyme-substrate complex c) Enzyme-product complex d) Product
A protein scientist uses an artifical RNA polymer to generate a polypeptide consisting entirely of Tryptophan. Approximately what fraction of the nucleotides in the RNA molecule were uracils?
The most common feedback loops in the body use the principle of negative feedback. But in some cases, positive feedback occurs for a limited amount of time.
Which cellular organelle is responsible for producing energy from the food we eat? What is the name of the molecule that supplies us the energy for all cellular activity.
Nitrogen fixation is a natural process by which inert or unreactive forms of nitrogen are transformed into usable nitrogen. Why is this process important to life?
Describe the three ways DNA can be altered structurally. Since xenobiotics can be both natural and man-made give the four classes and tell how they damage the DNA differently.
Question 1: What results would you expect if you tested ribose, a monosaccharide, with Benedict's solution? Biuret solution? Question 2: Why do onions and potatoes have reducing sugar present?
Question 1: Share a brief example of a relationship humans have with bacteria tht live in our microbiome Question 2: How does the polar nature of nucleic acids to deliver gene therapy to cells?
Question 1: Identify two regions which proteins are vital components in the human body. Why are they important to these regions?
Question 1: What is the stress response of the endoplasmic reticulum? Question 2: Do you think we should be m ore judicious in our use of antibiotics, cesareans and other potential efforts tht have
Question 1: What's the acetylcholine mechanism of action at the neuromuscular junction? Question 2: Why is progressive muscle weakness a hallmark of myasthenia gravis? Explain.
Theory of "form" and "matter" (By Aristotle) - Theory of Preformationism - Theory of Epigenesis - Theory of Inheritance of Acquired Characteristics Of these four theories, which is the closest to ou
In eukaryotes sexual reproduction is the main process by which new gene combinations are generated. How do bacteria generate new gene combinations in the absence of sexual reproduction?
Nucleic acids are precipitated from aqueous solutions by the addition of salt and an alcohol such as ethanol or isopropanol. Why is isopropanol more effective than ethanol in precipitating DNA? Why
What kind of bond is between the polar head and fatty acid? Covalent or Noncovalent, why does the interaction has to be covalent or noncovalent in eukaryotic cells.
Both C-H bonds and O-H bonds have special properties that make life possible. What is the most notable difference between a C-H bond and an O-H bond?
Describe three properties of water that make it uniquely suited for life. In one or two sentences, describe each property and a consequence of that property for cells or organisms.
Question 1: Is the myelin sheath of optic nerve axons provided by Schwann cells or oligodendroglia? Why? Question 2: What are three features that characterize the structure of the cerebral cortex?
Human chromosomes contain telomeres, and these telomeres change in length. What is a telomere, why do they exist, and what is a consequence of their shortening?
Which of the following is a mechanism for regulating gene expression after the mature RNA is produced? A. Gene silencing by miRNAs B. Inhibition of translation initation C. Blockage of the promoter by