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Which of these is not used in DNA replication? a) RNA polymerase b) DNA polymerase c) Helicase d) Primer
Which of the RNA molecules brings the new amino acids to the growing protein chain? a) mRNA b) tRNA c) rRNA d) all of the above
Plant and animal products are always renewable resources. True/False
What is biodiversity? a) Variation within a population's or species' gene pool b) The variety of life at all levels, including all of the other options c) The variety of ecosystem types present within
A woman with tritanopia (a rare form of inherited blue-yellow color blindness) marries a man who also has tritanopia. Their first daughter has normal colour vision but is diagnosed with PKU
Why is it important for peptidoglycan precursors to be sufficiently hydrophobic in order to cross the cell membrane?A) No materials can cross the membrane without assistance from helper molecules, whi
Question 1: Does the rate of photosynthesis ever saturate with respect to oxygen concentration? If so why?Question 2: What is the relationship between humans, monkeys, and apes?
Cyanide binds to cytochrome c oxidase in the electron transport chain and thus prevents the transport of electrons to oxygen. Explain how this would alter cellular respiration and energy production i
Question 1: What is the essential source of energy for photosynthsis and how do scientists measure this unit? Question 2: Which is the feature that could be responsible for requiring more 2% Br2 solut
Question 1: sketch and label a spinal cord cross section. Question 2: what is your expected m/z value for singly charged ions? doubly charged ions?
Caudal is usually expressed in the posteirior of a Drosophila developing embryo. The Caudal null mutant leads to a larva wihout posterior structures.
Question 1: Describe the defining molecule and anatomic features of smooth muscle cells. Question 2: Describe the molecular mechanism of smooth muscle contraction.
Question 1: What are the six major groups of smooth muscle in the body? Question 2: What factors contribute to difficulties for studying smooth muscle physiology?
Question 1: Describe a typical motor unit, and how motor units are similar and different from one another Question 2: Describe the lever and fulcrum design of the musculoskeletal system in the body.
Question 1: How many nucleotides are in 1 map unit? Question 2: Describe the molecular and tissue factors that contribute to the force of muscle contraction.
The most common form of fetal testing is: a) teratogenic sampling. b) amniocentesis. c) chorionic villi sampling. d) somatic visualization.
The blood supply to the nephron is: a) the interlobular artery. b) efferent arteriole. c) afferent arteriole. d) segmental artery.
Which of the following is a characteristic of the large intestine? a) It is the site for acid neutralization. b) It contains a large number of bacteria. c) It is longer than the small intestine. d) It
Question 1: Describe the effect of sodium reabsorption on the reabsorption of negatively charged ions. Analyze how sodium ion reabsorption affects water reabsorption. Question 2: What are the commit
Distinguish between a newborn and an infant. Analyze why a newborn's first breath must be particularly forceful and why newborns tend to develop water and electrolyte imbalances.
Describe the process of meiosis and compare the characteristics of phase I and phase II. Describe the effect of sodium reabsorption on the reabsorption of negatively charged ions. Analyze how sodium
Question 1: What is a chemolithotroph? How does a lithotroph get energy? Question 2: Explain how the electron transport chain of the lithotrophs works: describe specifically how it is used to extrac
Question 1: In which biochemical pathway does cytochrome c participate?Describe it's role. Question 2: After cloning the yeast Eco R1 fragments into pBS, how many recognition sites exist?
Question 1: The proteins that formTight Junctions andAdherens Junctions share common structural properties. Briefly describe three of these properties. Question 2: Briefly describe the process of ou
Briefly describethe different stages involved in the formation of microtubules from tubulin dimers. List four differences betweenmicrofilaments and intermediate filaments.