A double-stranded nucleic acid molecule consisting of nucleotide monomers with deoxyribose sugar and the nitrogenous bases adenine (A), cytosine (C), guanine (G), and thymine (T); Capable of replicating, DNA is an organism's genetic material
What will be an ideal response?
Deoxyribonucleic Acid (DNA)
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Cells communicate with each other by various mechanisms. All of the following are examples of ways
cells communicate EXCEPT ____.
a. gap junctions b. transfer chain proteins c. recognition of specific membrane surface molecules d. cell adhesion molecules e. chemical messengers
Jim is suffering from congestive heart failure, in which blood flow is backed up in his lungs and excess fluid is escaping the blood and accumulating in his lung tissue. If untreated, increasing pulmonary edema will lead to death by suffocation. What is the most-likely cause of Jim’s congestive heart failure?
A. Contraction of his right atrium is not keeping up with contraction of his left atrium. B. Contraction of his left ventricle is not keeping up with contraction of his right ventricle. C. Jim’s pulmonary semilunar valve is not opening properly. D. Jim’s SA node is malfunctioning. E. Jim’s right atrioventricular valve (tricuspid valve) is not closing properly. Gather Content What do you already know about the path of blood between the heart and the lungs? What other information is related to the question? Choose Answer Given what you now know, what information 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?
Interphase is the part of the cell cycle when _____
a. a cell ceases to function b. the spindle forms c. a cell grows and duplicates its DNA d. mitosis proceeds
The technique in which a non-functioning gene is replaced by a functioning gene in somatic cells is called gene:
a.replacement. b. medicine. c. fixing. d. therapy. e. alteration.