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Question 1: Why can DNA copy itself but RNA can not? Question 2: With the decreased selection strength, how many generations did it take to reach a mean phenotype of 4.0? Was this more or less tha
Question 1: With the decreased selection strength, how many generations did it take to reach a mean phenotype of 4.0? Was this more or less than in the original settings? Is this what you would e
Question 1: Discuss the relationship between the absorption spectrum and action spectrum for two different photobiological processes. Question 2: What modifications on proteins can be used to track t
Question 1: What is the dominant immune response in mycobacterium tuberculosis? Question 2: Which branch of the specific immune response will be the dominant response to an infection with bacterium
Question 1: Compare/contrast/discuss gain of function mutations and loss of function mutations Question 2: For loss of function recessive diseases, the severity depends upon the residual activity/le
Question 1: List and briefly discuss the ways that the frequency of alleles can change. Question 2: Two types of variation within human genomes are SNPs and variable length (or short) tandem.
You have discovered the oil operon. The genes of the oil operon encode enzymes that allow bacteria to break down oil. The oil operon is only transcribed when bacteria encounter oil in their environm
Question 1: Draw Glu -Val-Pro-Gln at a pH of 7.4 circle the peptide bonds and label phi and psi bonds Question 2: Compare and contrast cyanobacteria and green and urple phototrophic bacteria, how ar
Question 1: What are the subatomic particles of an atom and what are ions? Question 2: What are the subatomic particles of an atom and what are ions?
What is the function of the protein ameloblastin? Characterize the specific nucleotide sequence and functional differences in a meloblastin genes between baleen whales versus other mammals.
What is the general function of the protein prestin? Explain why a phylogenetic tree reconstructed using the characters of prestin amino acid sequences showed at first that the whales form a subgrou
Question 1: Describe intestinal digestion (include chemical and mechanical digestion and the hormones involved) Question 2: Describe the role of the renal tubules in filtration, reabsorption and secre
Could someone please describe to me the difference between an open ambulacral system and a closed ambulacral system in Echinodermata?
Question 1: What is the difference between a respiratory inhibitor and an uncoupling agent? Question 2: Give examples of each and include where they act in the process of oxidative phosphorylation.
Question 1: Why is gas exchange in bony fish so effiecient? Question 2: How do temperature and pH affect the ability of hemoglobin to carry oxygen? Why does that make sense?
Question 1: Describe the cardiac cycle, including the direction of depolarization, myocardial contraction, heart valve closure/opening, and blood flow. Question 2: Briefly explain how bird lungs dif
Question 1: How is the uterus prepared to receive the blastocyst? Question 2: What differences can you see between changes occuring during the embryonic period and changes during the fetal period?
Question 1: Can anyone explain what EC1, EC2,EC5 and the cytoplasmic tail are in respect to cadherins? Question 2: How do cadherins explain the phenomenon of sorting out and how do the various cadhe
Question: Which of the following is NOT a characteristic of cardiac membrane depolarization / polarization leading to generation of the action potential? a. The presence of a large amount of negativ
Question 1: What is the difference between position homology and character homology? Question 2: What are two ways a mature miRNA attached to the RISC complex can inhibit gene expression?
Which of the following is NOT a potential cause of cancer a. hyperphosphorylation of the pRb protein b. reduction or ablation of the activity of p53 and/ or p21 c. inability to exit from the GO stage
Question 1: What is an estuary? Question 2: why are estuaries important? Question 3: What would be four key environmental factors shaping (or affecting) the estuary ecosystem and how do they influen
Question 1: How does a charged tRNA deliver an amino acid to a growing polypeptide chain in the correct order?Question 2: Lipoproteins: (Chylomicrons; VLDL; LDL; IDL and HDL) a) name the least dense a
Question 1: Describe how an mRNA strand gets processed (in eukaryotic organisms) before it is translated. In what ways is this processing beneficial? Question 2: How does transcription of a gene end
Question 1: What is the mechanism of infection of Aeromonas hydrophila in Humans? Question 2: What is the function of the auidtory tube?