Proteins bound to CEN sequences form a complex known as the ________
Fill in the blank with correct word.
Answer: kinetochore
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Answer the following statements true (T) or false (F)
1. The Na+/K+-ATPase pump is a ligand-gated ion channel. 2. Ion gradients across the membrane drive numerous cellular functions. 3. The ability of bread to rise is mainly a function of the CO2 produced anaerobically during oxidative phosphorylation. 4. The aerobic breakdown of glucose yields 34 to 38 ATP, while the anaerobic breakdown of glucose yields 20 ATP.
Answer the following statements true (T) or false (F)
1. The development of hypertension in humans is associated with obesity, smoking, age, and kidney disease. 2. In an open circulatory system, there is no difference between blood and interstitial fluid. 3. Relative to closed circulatory systems, Open Circulatory Systems pump hemolymph at relatively high pressure. 4. Blood is typically delivered to respiratory structures at low pressures in closed circulatory systems.
A mutation during DNA replication causes a G to be inserted after the first base of the codon for tryptophan. How will this affect the growing polypeptide chain?
A) It will not be affected. B) Elongation will stop prematurely. C) There will be a single amino acid substitution. D) The reading frame will be shifted to the left, and the wrong amino acids will be added from this point on. E) An extra amino acid will be added, but the reading frame will not be affected.
What would happen to an egg that had a non-functional chorion?
A. The embryo would suffocate or dehydrate. B. The embryo would starve in the egg. C. The embryo would die due to high levels of toxic metabolic wastes. D. The embryo would develop normally. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the amniotic egg? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?