Acid-fast staining was performed on a sputum sample from a patient exhibiting clinical signs of Tuberculosis, red cells were observed on the slide. What can be determined from this slide?
A) The sample contained endospore forming bacteria
B) The sample contained non-acid-fast cells, suggestive of members of the genus Mycobacterium
C) The sample contained bacteria with mycolic acid in their cell walls, suggestive of members of the genus Mycobacterium
C) The sample contained bacteria with mycolic acid in their cell walls, suggestive of members of the genus Mycobacterium
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Bacterial capsules enhance the adherence of phagocytes to bacterial cell walls, thereby promoting phagocytosis
Indicate whether the statement is true or false.
Throughout the cell cycle different process can be observed. Which of the following processes occur during Gap 1?
A) production of daughter cells B) cytokinesis C) normal growth D) DNA replication
Which of the following are important components of the long-distance transport process in plants?
I) the cohesion of water molecules II) a negative water potential III) the root parenchyma IV) the active transport of solutes V) bulk flow from source to sink A) II, III, IV, and V B) I, III, IV, and V C) I, II, IV, and V D) I, II, III, and V
The enzyme used to make a DNA copy complementary to processed mRNA is
A. reverse transcriptase. B. transcriptase. C. DNA polymerase. D. RNA polymerase.