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DNA is comprised of two polynucleotides, thus DNA is described as being double a stranded molecule. The two strands of DNA are not covalently bonded however, so DNA is really two molecules, but we will always refer to it as one molecule. The DNA polynucleotide is comprised of four different nucleotides. Q1. What does DNA stand for? Where does it get that name?
Q2. What are the names of the four bases of which DNA is comprised?
Q3. Which are pyrmidine bases; which are purines?
Q4. What kinds of bonds occur between individual nucleotides; which kind occur between the two strands of DNA.
Q5. Which base pairs are complementary in a double stranded DNA molecule? (Two complementary bases is called a basepair.)
Q6. DNA is a bidirectional molecule. From where does the terminology 5' and 3' come?
Evaluate the sizes of the different digestive organs of an earthworm. Which organ is the largest? How does its size make it well suited for its function.
Use the following data to answer the questions 1 and 2. In a sample of double-stranded DNA from a particular bacterium with a circular chromosome, 43% of the nucleotide bases are Guanine (G).
Calculate the number of ATPs generated from one saturated 10-carbon fatty acid. For this question, assume that each NADH molecule generates 2.5 ATPs and that each FADH2 molecule generates 1.5 ATPs.
Once you arrive at the distal ileum, go through mucosal membrane and enter the bloodstream via the Superior Mesenteric Vein. Evaluate the cellular organelles and other structures to the parts of a city. For instance, the nucleus is city hall and the ..
Both the endocrine and nervous system are main regulating systems of the body though the nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. Briefly explain the comparison.
The seeds from Mendel's plants can produce tall, round and yellow dominant traits and their genes are independently assorted. The recessive genotypes dd, ww, and gg produce dwarf plants with wrinkled and green seeds respectively.
If coliforms are found in a water sample, the IMViC test will help determine whether the coliforms are of fecal origin and not from plants or soil. What IMViC results would indicate the presence of fecal coliforms?
Design an experiment in which you will test the effect of an acidic fluid on enzymatic activity. (Recall: enzymes are proteins.) To complete this project, it may be useful for you to review.
When you cross a black Guinea pig with a white Guinea pig, three of the offspring are black and three are white. When you cross two of the black offspring you get six black and two white offspring.
Describe the sympathoadrenal system control of blood flow. Include the neurotransmitter and effect in the arterioles of the viscera, the neurotransmitter and effect in the arterioles of skeletal muscle, and the hormonal effect in the arterioles of..
Calculate how the permeability of each is altered when the pH is reduced to 1.0, a value typical of the stomach.How to demolish the function of this protein.
When collecting samples from a sulfur spring in Russia, you discover an organism with a single circular chromosome and lacking a nuclear membrane. What sort of organism are you certain that your organism CANNOT be?
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